diff --git a/hardware/io_revE/io_i2c.kicad_sch b/hardware/io_revE/io_i2c.kicad_sch
index aea5eb6..82aed23 100644
--- a/hardware/io_revE/io_i2c.kicad_sch
+++ b/hardware/io_revE/io_i2c.kicad_sch
@@ -7,7 +7,7 @@
   (title_block
     (title "Demon Debugger ROM-IO Interface - I2C Version")
     (date "2022-02-27")
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-          (name "E2" (effects (font (size 1.27 1.27))))
+        (pin input inverted (at -7.62 -2.54 0) (length 4.5466)
+          (name "~" (effects (font (size 1.27 1.27))))
           (number "5" (effects (font (size 1.27 1.27))))
         )
-        (pin input line (at -12.7 -5.08 0) (length 5.08)
-          (name "E3" (effects (font (size 1.27 1.27))))
+        (pin input inverted (at -7.62 -5.08 0) (length 3.81)
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-          (number "7" (effects (font (size 1.27 1.27))))
-        )
-        (pin power_in line (at 0 -17.78 90) (length 5.08)
-          (name "GND" (effects (font (size 1.27 1.27))))
+        (pin output line (at 7.62 0 180) (length 3.81)
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           (number "8" (effects (font (size 1.27 1.27))))
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-        (pin output output_low (at 12.7 -7.62 180) (length 5.08)
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-          (number "9" (effects (font (size 1.27 1.27))))
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+      (symbol "74LS30_2_0"
+        (pin power_in line (at 0 12.7 270) (length 5.08)
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+          (number "14" (effects (font (size 1.27 1.27))))
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+        (pin power_in line (at 0 -12.7 90) (length 5.08)
+          (name "GND" (effects (font (size 1.27 1.27))))
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-      (symbol "74LS138_1_1"
-        (rectangle (start -7.62 10.16) (end 7.62 -12.7)
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           (fill (type background))
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@@ -443,83 +1161,6 @@
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@@ -985,67 +1626,6 @@
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-      (property "Value" "1N4148" (id 1) (at 0 -2.54 0)
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-        (effects (font (size 1.27 1.27)) hide)
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-        (effects (font (size 1.27 1.27)) hide)
-      )
-      (property "ki_description" "100V 0.15A standard switching diode, DO-35" (id 5) (at 0 0 0)
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-        (effects (font (size 1.27 1.27)) hide)
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-      (symbol "1N4148_0_1"
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-          (stroke (width 0.254) (type default) (color 0 0 0 0))
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-          (fill (type none))
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-      (symbol "1N4148_1_1"
-        (pin passive line (at -3.81 0 0) (length 2.54)
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-          (number "1" (effects (font (size 1.27 1.27))))
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-          (number "2" (effects (font (size 1.27 1.27))))
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     (symbol "MCU_Module:Arduino_Nano_v3.x" (in_bom yes) (on_board yes)
       (property "Reference" "A" (id 0) (at -10.16 23.495 0)
         (effects (font (size 1.27 1.27)) (justify left bottom))
@@ -1870,32 +2450,17 @@
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-    (uuid 3115f479-4b01-477a-b628-ff38702fefe9)
+  (junction (at 55.88 26.035) (diameter 0) (color 0 0 0 0)
+    (uuid 2bdfc8a8-2799-42cd-942c-942172edaf2c)
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   (junction (at 252.73 93.345) (diameter 0) (color 0 0 0 0)
     (uuid 325de62d-ba53-460c-a187-6caeddab8630)
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-    (uuid 41c619a1-18bb-4c9a-a12d-80ba3140de15)
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-  (junction (at 212.09 133.985) (diameter 0) (color 0 0 0 0)
-    (uuid 4a850cb6-bb24-4274-a902-e49f34f0a0e3)
+  (junction (at 55.88 51.435) (diameter 0) (color 0 0 0 0)
+    (uuid 4cec99e3-3395-4995-aae0-550b271f3e92)
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   (junction (at 125.73 104.775) (diameter 0) (color 0 0 0 0)
     (uuid 4e7e4d29-aa8c-418c-8760-78f6b9dce5bb)
@@ -1906,53 +2471,41 @@
   (junction (at 232.41 85.725) (diameter 0) (color 0 0 0 0)
     (uuid 57da3164-a61b-4b91-9c01-9d7647e70c6e)
   )
+  (junction (at 18.415 26.035) (diameter 0) (color 0 0 0 0)
+    (uuid 5f1e694a-95a6-44be-9369-45b4221934d7)
+  )
   (junction (at 185.42 66.675) (diameter 0) (color 0 0 0 0)
     (uuid 6d1d60ff-408a-47a7-892f-c5cf9ef6ca75)
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   (junction (at 279.4 108.585) (diameter 0) (color 0 0 0 0)
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-    (uuid a372b334-c5e5-4619-b03b-63a1a976bade)
+  (junction (at 84.455 184.785) (diameter 0) (color 0 0 0 0)
+    (uuid 91557b24-969a-43c7-971e-b9ad95bd59aa)
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   (junction (at 185.42 80.645) (diameter 0) (color 0 0 0 0)
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-    (uuid ad70e0f8-e574-477f-a5a7-beeb0fe99195)
+  (junction (at 74.93 51.435) (diameter 0) (color 0 0 0 0)
+    (uuid b8f99186-7961-4ec4-ae74-b43fbe9a1f38)
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+  (junction (at 37.465 26.035) (diameter 0) (color 0 0 0 0)
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+  (junction (at 37.465 51.435) (diameter 0) (color 0 0 0 0)
+    (uuid c3901a2f-99cf-41cb-9f32-1b1cb5832774)
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-    (uuid b58d647c-1ae7-4d06-97c8-66cde03fb16a)
+  (junction (at 74.93 26.035) (diameter 0) (color 0 0 0 0)
+    (uuid c6e7b65c-26a7-489c-881b-554e6d66bbd7)
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-  (junction (at 180.975 210.82) (diameter 0) (color 0 0 0 0)
-    (uuid c20de473-b239-45bf-a04e-8907b96de81a)
+  (junction (at 18.415 51.435) (diameter 0) (color 0 0 0 0)
+    (uuid cbada11b-02c2-4252-8ad3-59fe16376e63)
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-  (junction (at 151.13 186.055) (diameter 0) (color 0 0 0 0)
-    (uuid cdb5922b-a1e4-4bdd-a2b1-fb672cd6473e)
+  (junction (at 78.105 210.185) (diameter 0) (color 0 0 0 0)
+    (uuid ce937379-76dc-4d20-bb25-dd244517aab1)
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   (junction (at 207.645 41.91) (diameter 0) (color 0 0 0 0)
     (uuid d361048e-03e4-4300-b107-4773ab57864f)
@@ -1960,38 +2513,26 @@
   (junction (at 241.3 76.835) (diameter 0) (color 0 0 0 0)
     (uuid d5b800ca-1ab6-4b66-b5f7-2dda5658b504)
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-  )
   (junction (at 185.42 51.435) (diameter 0) (color 0 0 0 0)
     (uuid dc2801a1-d539-4721-b31f-fe196b9f13df)
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   (junction (at 219.71 93.98) (diameter 0) (color 0 0 0 0)
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-  (junction (at 151.13 175.895) (diameter 0) (color 0 0 0 0)
-    (uuid e7a60b11-710c-4a73-a6f9-8bbfde42ef19)
+  (junction (at 113.665 184.785) (diameter 0) (color 0 0 0 0)
+    (uuid ed8a6521-7f31-465d-99fb-c316f28f2369)
   )
   (junction (at 222.885 41.91) (diameter 0) (color 0 0 0 0)
     (uuid ee0a148a-01e5-45a6-9338-671487958e93)
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-    (uuid ee5f3c66-b042-461a-98d1-2aef8669c449)
-  )
-  (junction (at 151.13 191.135) (diameter 0) (color 0 0 0 0)
-    (uuid f73fe1a0-ea70-463a-9044-d6296922b7b4)
+  (junction (at 77.47 182.245) (diameter 0) (color 0 0 0 0)
+    (uuid ee0b950f-14ab-43fa-8e66-d0c272b750d4)
   )
-  (junction (at 187.325 149.86) (diameter 0) (color 0 0 0 0)
-    (uuid fa2c69dd-cf16-4491-ad44-887d8b585faf)
+  (junction (at 83.82 138.43) (diameter 0) (color 0 0 0 0)
+    (uuid fcf0b143-9043-426b-ad44-44f1c5ce1a37)
   )
-  (junction (at 162.56 66.675) (diameter 0) (color 0 0 0 0)
-    (uuid fb89f98f-00cc-4cff-9de7-c39abf7310f9)
+  (junction (at 134.62 182.245) (diameter 0) (color 0 0 0 0)
+    (uuid fff63705-da1c-4ca5-a0e3-bdbb05bcd073)
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   (no_connect (at 201.93 61.595) (uuid 009a4fb4-fcc0-4623-ae5d-c1bae3219583))
@@ -2013,7 +2554,6 @@
   (no_connect (at 269.24 98.425) (uuid 9a3c09dd-eebb-4d66-bbbd-38f1124b1d0a))
   (no_connect (at 294.64 95.885) (uuid 9cbf35b8-f4d3-42a3-bb16-04ffd03fd8fd))
   (no_connect (at 294.64 67.945) (uuid a29f8df0-3fae-4edf-8d9c-bd5a875b13e3))
-  (no_connect (at 294.64 85.725) (uuid a605c9b2-8ab0-4990-9585-f71b7542b5c6))
   (no_connect (at 294.64 100.965) (uuid b1ddb058-f7b2-429c-9489-f4e2242ad7e5))
   (no_connect (at 262.89 133.35) (uuid b6252e8b-6f15-4d9b-9f6f-1975b8b8ad48))
   (no_connect (at 293.37 130.81) (uuid cbb04dbf-bf16-4003-926a-618c6768af3b))
@@ -2024,10 +2564,18 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 0017eb4c-b93d-4b2a-a553-b57511ae010a)
   )
+  (wire (pts (xy 292.1 41.275) (xy 292.1 42.545))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid 0084a66e-d727-4c8c-a8fe-c0e0c17f3b76)
+  )
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     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 011ee658-718d-416a-85fd-961729cd1ee5)
   )
+  (wire (pts (xy 81.28 116.84) (xy 81.28 107.315))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid 02c96da4-7ce7-4c1e-9685-46a9b6211668)
+  )
   (wire (pts (xy 201.93 56.515) (xy 209.55 56.515))
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 0325ec43-0390-4ae2-b055-b1ec6ce17b1c)
@@ -2036,18 +2584,10 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 04465b04-8dfa-41d1-84b6-5f8a9c3ee1ec)
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     (stroke (width 0) (type default) (color 0 0 0 0))
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-  (wire (pts (xy 293.37 161.29) (xy 299.085 161.29))
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     (stroke (width 0) (type default) (color 0 0 0 0))
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@@ -2056,65 +2596,45 @@
     (stroke (width 0) (type default) (color 0 0 0 0))
     (uuid 0a1a4d88-972a-46ce-b25e-6cb796bd41f7)
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-  (wire (pts (xy 121.92 191.135) (xy 124.46 191.135))
+  (wire (pts (xy 292.1 32.385) (xy 292.1 33.655))
     (stroke (width 0) (type default) (color 0 0 0 0))
-    (uuid 0b23a345-7e80-480b-90a0-34d30700fea0)
+    (uuid 0db9ab18-6de4-468e-a7b4-f9fc5fbdf6b9)
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-  (wire (pts (xy 156.845 228.6) (xy 156.845 248.285))
+  (wire (pts (xy 93.345 51.435) (xy 74.93 51.435))
     (stroke (width 0) (type default) (color 0 0 0 0))
-    (uuid 0eda7144-4458-4812-9292-1643d7583da3)
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   (text "For adapter cables to ROMs < 2K, tie all unused address lines high"
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-  (symbol (lib_id "power:GND") (at 109.22 201.295 0) (unit 1)
-    (in_bom yes) (on_board yes)
-    (uuid 00000000-0000-0000-0000-000060a2ae32)
-    (property "Reference" "#PWR0126" (id 0) (at 109.22 207.645 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Value" "GND" (id 1) (at 109.347 205.6892 0))
-    (property "Footprint" "" (id 2) (at 109.22 201.295 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Datasheet" "" (id 3) (at 109.22 201.295 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (pin "1" (uuid e637017a-cd0f-4b29-a7a0-82b7053ddbfa))
-  )
-
   (symbol (lib_id "power:GND") (at 274.32 108.585 0) (unit 1)
     (in_bom yes) (on_board yes)
     (uuid 00000000-0000-0000-0000-000060a5e23b)
@@ -4109,70 +4285,74 @@
     (pin "1" (uuid bda5cdf8-2e49-450e-a2c5-fb728a471bb0))
   )
 
-  (symbol (lib_id "Connector_Generic:Conn_02x03_Odd_Even") (at 87.63 141.605 0) (unit 1)
+  (symbol (lib_id "power:GND") (at -149.86 136.525 0) (unit 1)
     (in_bom yes) (on_board yes)
-    (uuid 00000000-0000-0000-0000-00006107193e)
-    (property "Reference" "J3" (id 0) (at 88.9 133.5532 0))
-    (property "Value" "Jumper Block" (id 1) (at 88.9 135.8646 0))
-    (property "Footprint" "Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical" (id 2) (at 87.63 141.605 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Datasheet" "~" (id 3) (at 87.63 141.605 0)
+    (uuid 09994ceb-614a-4c2d-a253-a88b666fc97d)
+    (property "Reference" "#PWR?" (id 0) (at -149.86 142.875 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (pin "1" (uuid dd40b45d-3767-4482-80ae-99424bd50c16))
-    (pin "2" (uuid 56b09088-a57c-441e-ae1f-bd4398099175))
-    (pin "3" (uuid cb38e51c-b267-4be1-9813-2fc12b6a3e12))
-    (pin "4" (uuid 5d3fb183-0f51-454d-89a3-e511aad5e003))
-    (pin "5" (uuid 720ae383-f2ec-448b-a932-f0854e34cddd))
-    (pin "6" (uuid 8db3a9c7-27ac-44d3-84ff-b7bf30fe742e))
-  )
-
-  (symbol (lib_id "Diode:1N4148") (at 142.24 170.815 0) (unit 1)
-    (in_bom yes) (on_board yes)
-    (uuid 09347eba-ccfb-44fa-b3de-952ed9f86c5d)
-    (property "Reference" "D4" (id 0) (at 137.16 168.275 0))
-    (property "Value" "1N4148" (id 1) (at 144.78 168.275 0))
-    (property "Footprint" "Diode_THT:D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp" (id 2) (at 142.24 175.26 0)
+    (property "Value" "GND" (id 1) (at -149.733 140.9192 0))
+    (property "Footprint" "" (id 2) (at -149.86 136.525 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" (id 3) (at 142.24 170.815 0)
+    (property "Datasheet" "" (id 3) (at -149.86 136.525 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (pin "1" (uuid 9914085e-dc94-4153-9a08-1f96d51c8703))
-    (pin "2" (uuid 12d25ff9-59dd-46d5-9ae4-91182baf464c))
+    (pin "1" (uuid 09fb71cd-545e-4045-bd31-27e390dcb25c))
   )
 
-  (symbol (lib_id "power:GND") (at 126.365 233.68 0) (unit 1)
-    (in_bom yes) (on_board yes)
-    (uuid 0a573113-7cad-4647-83da-6e75e1befde6)
-    (property "Reference" "#PWR07" (id 0) (at 126.365 240.03 0)
+  (symbol (lib_id "power:+5VD") (at 394.335 224.155 0) (unit 1)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid 0b8a8fc3-5142-4392-892d-fb54e5630654)
+    (property "Reference" "#PWR0124" (id 0) (at 394.335 227.965 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Value" "GND" (id 1) (at 126.492 238.0742 0))
-    (property "Footprint" "" (id 2) (at 126.365 233.68 0)
+    (property "Value" "+5VD" (id 1) (at 394.335 220.5505 0))
+    (property "Footprint" "" (id 2) (at 394.335 224.155 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "" (id 3) (at 126.365 233.68 0)
+    (property "Datasheet" "" (id 3) (at 394.335 224.155 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (pin "1" (uuid 202b0565-ebb4-4499-8167-9c715a7530af))
+    (pin "1" (uuid 7f12d4b7-340a-45e6-b6db-2690f527591e))
   )
 
-  (symbol (lib_id "power:+5VD") (at 394.335 224.155 0) (unit 1)
+  (symbol (lib_id "74xx:74LS30") (at 69.85 182.245 0) (unit 1)
     (in_bom yes) (on_board yes) (fields_autoplaced)
-    (uuid 0b8a8fc3-5142-4392-892d-fb54e5630654)
-    (property "Reference" "#PWR0124" (id 0) (at 394.335 227.965 0)
+    (uuid 0d52fbf2-1bfa-42d9-ae91-95d10277d4e9)
+    (property "Reference" "U?" (id 0) (at 69.85 170.6585 0))
+    (property "Value" "74LS30" (id 1) (at 69.85 173.4336 0))
+    (property "Footprint" "" (id 2) (at 69.85 182.245 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Value" "+5VD" (id 1) (at 394.335 220.5505 0))
-    (property "Footprint" "" (id 2) (at 394.335 224.155 0)
+    (property "Datasheet" "http://www.ti.com/lit/gpn/sn74LS30" (id 3) (at 69.85 182.245 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "" (id 3) (at 394.335 224.155 0)
+    (pin "1" (uuid ee4ece16-ea5e-4429-865a-74aa915cfdb5))
+    (pin "11" (uuid 5b02613f-efef-4dd0-85cc-be1c896d096d))
+    (pin "12" (uuid 7d6d569a-7369-4b37-b54d-19f8e663e1c4))
+    (pin "2" (uuid ab5eedbe-bf43-43a6-87ca-b41cff2974ef))
+    (pin "3" (uuid 9e9af72c-36cd-4137-88d9-d05214970ed2))
+    (pin "4" (uuid b42b3d16-0988-4f7b-ad3f-dfc376005ee3))
+    (pin "5" (uuid 7c15e983-d86d-4112-8b09-d22a0e2aa9db))
+    (pin "6" (uuid bd03a794-c35b-42b3-a331-b23630dee108))
+    (pin "8" (uuid 79a4d627-c9cc-4d76-8b31-68992e42badf))
+  )
+
+  (symbol (lib_id "74xx:74LS02") (at 127 208.28 0) (unit 4)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid 129f0140-0299-4622-9d18-2218a8715229)
+    (property "Reference" "U?" (id 0) (at 127 198.755 0))
+    (property "Value" "74LS02" (id 1) (at 127 201.295 0))
+    (property "Footprint" "" (id 2) (at 127 208.28 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (pin "1" (uuid 7f12d4b7-340a-45e6-b6db-2690f527591e))
+    (property "Datasheet" "http://www.ti.com/lit/gpn/sn74ls02" (id 3) (at 127 208.28 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "11" (uuid 57729590-82f1-4376-a061-1bf1a80431b3))
+    (pin "12" (uuid 521702b5-f2d7-4e57-b25e-220857cdf221))
+    (pin "13" (uuid 515f4c8d-cf94-44de-b74d-4a53066e0ff0))
   )
 
   (symbol (lib_id "mouser:MCP23018-E_SP") (at 262.89 130.81 0) (unit 1)
@@ -4234,35 +4414,19 @@
     (pin "9" (uuid 169c1061-6387-40c0-9529-0e4c883108a5))
   )
 
-  (symbol (lib_id "power:+5V") (at 193.04 142.24 0) (unit 1)
-    (in_bom yes) (on_board yes)
-    (uuid 1593efeb-4759-429e-87bc-982a1c6a8eb7)
-    (property "Reference" "#PWR0140" (id 0) (at 193.04 146.05 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Value" "+5V" (id 1) (at 193.421 137.8458 0))
-    (property "Footprint" "" (id 2) (at 193.04 142.24 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Datasheet" "" (id 3) (at 193.04 142.24 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (pin "1" (uuid d2babe59-7d18-49e9-8920-58ab276633a7))
-  )
-
-  (symbol (lib_id "Device:R") (at 299.085 157.48 0) (unit 1)
+  (symbol (lib_id "Device:R") (at 306.705 157.48 0) (unit 1)
     (in_bom yes) (on_board yes)
     (uuid 16696b93-a407-4d20-83b5-c62b4c61dcb3)
-    (property "Reference" "R5" (id 0) (at 300.863 156.3116 0)
+    (property "Reference" "R5" (id 0) (at 308.483 156.3116 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Value" "10k" (id 1) (at 300.863 158.623 0)
+    (property "Value" "10k" (id 1) (at 308.483 158.623 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Footprint" "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical" (id 2) (at 297.307 157.48 90)
+    (property "Footprint" "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical" (id 2) (at 304.927 157.48 90)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "~" (id 3) (at 299.085 157.48 0)
+    (property "Datasheet" "~" (id 3) (at 306.705 157.48 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid 0e812081-52b0-4507-9970-6f79f76bf47c))
@@ -4317,85 +4481,89 @@
     (pin "1" (uuid 39343e59-1d4f-46d8-a55f-665e5cd7e2f7))
   )
 
-  (symbol (lib_id "74xx:74LS125") (at 43.815 76.2 0) (unit 2)
+  (symbol (lib_id "power:+5V") (at 204.47 108.585 0) (unit 1)
     (in_bom yes) (on_board yes)
-    (uuid 222138b5-d6cb-4a76-bfb4-ba0550dad945)
-    (property "Reference" "U3" (id 0) (at 43.18 76.2 0))
-    (property "Value" "74LS125" (id 1) (at 43.815 71.12 0))
-    (property "Footprint" "Package_DIP:DIP-14_W7.62mm" (id 2) (at 43.815 76.2 0)
+    (uuid 1a36eb87-5568-48dc-be11-737d9413eace)
+    (property "Reference" "#PWR?" (id 0) (at 204.47 112.395 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "+5V" (id 1) (at 204.851 104.1908 0))
+    (property "Footprint" "" (id 2) (at 204.47 108.585 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "http://www.ti.com/lit/gpn/sn74LS125" (id 3) (at 43.815 76.2 0)
+    (property "Datasheet" "" (id 3) (at 204.47 108.585 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (pin "4" (uuid cc662837-990c-4a0f-93a0-25df3683bc53))
-    (pin "5" (uuid dc0de484-773a-4c2c-871d-0c796bbaeec2))
-    (pin "6" (uuid c17b67f8-e976-4484-8088-df02fdf020e1))
+    (pin "1" (uuid 785c6ae9-1693-41de-adbe-3fc0b4633d7d))
   )
 
-  (symbol (lib_id "Diode:1N4148") (at 172.085 231.14 0) (unit 1)
+  (symbol (lib_id "74xx:74LS04") (at 47.625 182.245 0) (unit 5)
     (in_bom yes) (on_board yes)
-    (uuid 263e8c9b-1425-4722-9aaa-536f9d3e7c1e)
-    (property "Reference" "D15" (id 0) (at 167.005 228.6 0))
-    (property "Value" "1N4148" (id 1) (at 174.625 228.6 0))
-    (property "Footprint" "Diode_THT:D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp" (id 2) (at 172.085 235.585 0)
+    (uuid 1bb6089e-faca-4ab6-86a5-d0e4c169d72e)
+    (property "Reference" "U?" (id 0) (at 47.625 189.23 0))
+    (property "Value" "74LS04" (id 1) (at 47.625 187.325 0))
+    (property "Footprint" "" (id 2) (at 47.625 182.245 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" (id 3) (at 172.085 231.14 0)
+    (property "Datasheet" "http://www.ti.com/lit/gpn/sn74LS04" (id 3) (at 47.625 182.245 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (pin "1" (uuid 0f257ed5-0fac-401b-b2ae-c23f671143cd))
-    (pin "2" (uuid 6736340f-ed2f-46e3-961c-893bf0e4afdc))
+    (pin "10" (uuid 94891172-87c4-4638-85d6-4b690090a11e))
+    (pin "11" (uuid bb22c224-aaa1-4f9e-a92f-a318672492f2))
   )
 
-  (symbol (lib_id "Diode:1N4148") (at 172.085 215.9 0) (unit 1)
+  (symbol (lib_id "power:GND") (at 102.87 121.285 0) (unit 1)
     (in_bom yes) (on_board yes)
-    (uuid 2a75844c-113b-4696-9d4b-b8eac1250f57)
-    (property "Reference" "D12" (id 0) (at 167.005 213.36 0))
-    (property "Value" "1N4148" (id 1) (at 174.625 213.36 0))
-    (property "Footprint" "Diode_THT:D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp" (id 2) (at 172.085 220.345 0)
+    (uuid 1decb76a-f36b-46ab-873c-16a8fcc4bff6)
+    (property "Reference" "#PWR?" (id 0) (at 102.87 127.635 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "GND" (id 1) (at 102.997 125.6792 0))
+    (property "Footprint" "" (id 2) (at 102.87 121.285 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" (id 3) (at 172.085 215.9 0)
+    (property "Datasheet" "" (id 3) (at 102.87 121.285 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (pin "1" (uuid 94ca4d12-3a94-48ac-9811-e86d9a7f692f))
-    (pin "2" (uuid 3dca1ca5-90a3-41bc-9e3f-b2efe1088f84))
+    (pin "1" (uuid 27f6b4a2-5cd2-4773-b04c-58acf706ac82))
   )
 
-  (symbol (lib_id "Diode:1N4148") (at 172.085 220.98 0) (unit 1)
+  (symbol (lib_id "74xx:74LS02") (at 37.465 38.735 0) (unit 5)
     (in_bom yes) (on_board yes)
-    (uuid 2c31d3e2-8ab8-4442-86d9-d1d80b0ac065)
-    (property "Reference" "D13" (id 0) (at 167.005 218.44 0))
-    (property "Value" "1N4148" (id 1) (at 174.625 218.44 0))
-    (property "Footprint" "Diode_THT:D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp" (id 2) (at 172.085 225.425 0)
+    (uuid 210c3509-1943-45b5-a9fb-d18b19c112f3)
+    (property "Reference" "U?" (id 0) (at 43.18 37.465 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Value" "74LS02" (id 1) (at 43.18 40.005 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Footprint" "" (id 2) (at 37.465 38.735 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" (id 3) (at 172.085 220.98 0)
+    (property "Datasheet" "http://www.ti.com/lit/gpn/sn74ls02" (id 3) (at 37.465 38.735 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (pin "1" (uuid 895c6a35-4427-4267-8961-40cc573ff91c))
-    (pin "2" (uuid 1eb02792-4ecf-4772-8507-76f45adebefc))
+    (pin "14" (uuid 7c40498a-6bd4-41ab-8ec6-e7678ed2ade9))
+    (pin "7" (uuid 31568d38-188a-4c9f-9282-fc36a697b4c3))
   )
 
-  (symbol (lib_id "Connector_Generic:Conn_01x03") (at 56.515 182.245 0) (unit 1)
-    (in_bom yes) (on_board yes)
-    (uuid 2e23db4f-942c-43a5-9246-4bbaaa1e5cf8)
-    (property "Reference" "J1" (id 0) (at 57.785 187.325 0)
-      (effects (font (size 1.27 1.27)) (justify right))
+  (symbol (lib_id "74xx:74LS30") (at 93.345 38.735 0) (unit 2)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid 222be3c0-bf81-4a68-9c90-b370f4595e2d)
+    (property "Reference" "U?" (id 0) (at 99.187 37.8265 0)
+      (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Value" "extra CS" (id 1) (at 66.675 182.245 0)
-      (effects (font (size 1.27 1.27)) (justify right))
+    (property "Value" "74LS30" (id 1) (at 99.187 40.6016 0)
+      (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Footprint" "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" (id 2) (at 56.515 182.245 0)
+    (property "Footprint" "" (id 2) (at 93.345 38.735 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "~" (id 3) (at 56.515 182.245 0)
+    (property "Datasheet" "http://www.ti.com/lit/gpn/sn74LS30" (id 3) (at 93.345 38.735 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (pin "1" (uuid 20152558-e002-4abe-a104-41f9aeca5ceb))
-    (pin "2" (uuid b7c1b469-1a0d-40fa-8d7e-c67a6f965193))
-    (pin "3" (uuid 11ba5ea4-6fdf-445f-95f3-89c5075ff57c))
+    (pin "14" (uuid d3f055ef-f3d2-49ea-a4d1-c26857ed3592))
+    (pin "7" (uuid 9bd7e8a2-4890-4d4a-ba78-597a7ab993ac))
   )
 
   (symbol (lib_id "power:+5V") (at 256.54 156.21 0) (unit 1)
@@ -4446,120 +4614,124 @@
     (pin "1" (uuid c3b38b07-e889-401a-b884-c9ac6355fabb))
   )
 
-  (symbol (lib_id "Diode:1N4148") (at 142.24 201.93 0) (unit 1)
+  (symbol (lib_id "74xx:74LS04") (at 110.49 210.82 0) (unit 2)
     (in_bom yes) (on_board yes)
-    (uuid 39191687-cb4b-4926-a42d-88bbbfc6d760)
-    (property "Reference" "D10" (id 0) (at 137.16 199.39 0))
-    (property "Value" "1N4148" (id 1) (at 144.78 199.39 0))
-    (property "Footprint" "Diode_THT:D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp" (id 2) (at 142.24 206.375 0)
+    (uuid 3985aa40-453c-4274-9bfc-26c14f0f6bd3)
+    (property "Reference" "U?" (id 0) (at 110.49 217.805 0))
+    (property "Value" "74LS04" (id 1) (at 110.49 215.9 0))
+    (property "Footprint" "" (id 2) (at 110.49 210.82 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" (id 3) (at 142.24 201.93 0)
+    (property "Datasheet" "http://www.ti.com/lit/gpn/sn74LS04" (id 3) (at 110.49 210.82 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (pin "1" (uuid c78d7bb9-a281-4cfa-906d-12d8133605ca))
-    (pin "2" (uuid 13ea37df-f3ad-44e4-8bf1-2f98b00625b7))
+    (pin "3" (uuid 0b4af6f1-4eb3-4935-a493-7edfd7f4ee95))
+    (pin "4" (uuid 456aa9a9-ef9e-42f7-bd19-8f9fd298de12))
   )
 
-  (symbol (lib_id "Diode:1N4148") (at 142.24 196.215 0) (unit 1)
+  (symbol (lib_id "power:+5V") (at -149.86 103.505 0) (unit 1)
     (in_bom yes) (on_board yes)
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+    (property "Reference" "#PWR?" (id 0) (at -149.86 107.315 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
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-    (property "Datasheet" "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" (id 3) (at 142.24 196.215 0)
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-    (pin "2" (uuid 2f5fdd85-409f-42d5-9313-c2470abe12d0))
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       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "" (id 3) (at 135.255 208.28 0)
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       (effects (font (size 1.27 1.27)) hide)
     )
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       (effects (font (size 1.27 1.27)) hide)
     )
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       (effects (font (size 1.27 1.27)) hide)
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+    (in_bom yes) (on_board yes)
+    (uuid 46f33466-b696-43c8-a670-87c3b9977926)
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     )
-    (property "Value" "PWR_FLAG" (id 1) (at 401.701 225.904 0)
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-    (property "Footprint" "" (id 2) (at 400.05 224.155 0)
+    (property "Footprint" "Capacitor_THT:C_Axial_L3.8mm_D2.6mm_P7.50mm_Horizontal" (id 2) (at 293.0652 41.275 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "~" (id 3) (at 400.05 224.155 0)
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       (effects (font (size 1.27 1.27)) hide)
     )
-    (pin "1" (uuid a76d9079-c759-4568-974b-edca4e3aa879))
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     )
-    (property "Value" "GND" (id 1) (at 113.157 143.4592 0))
-    (property "Footprint" "" (id 2) (at 113.03 139.065 0)
+    (property "Value" "GND" (id 1) (at 293.497 168.2242 0))
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       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "" (id 3) (at 113.03 139.065 0)
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       (effects (font (size 1.27 1.27)) hide)
     )
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-    (property "Reference" "J5" (id 0) (at 176.53 238.125 90)
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+  (symbol (lib_id "power:PWR_FLAG") (at 400.05 224.155 180) (unit 1)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid 4ac5ab40-1b6b-4578-ac0f-723ab9a75ea8)
+    (property "Reference" "#FLG0103" (id 0) (at 400.05 226.06 0)
+      (effects (font (size 1.27 1.27)) hide)
     )
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+    (property "Value" "PWR_FLAG" (id 1) (at 401.701 225.904 0)
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     )
-    (property "Footprint" "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" (id 2) (at 174.625 240.665 0)
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       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "~" (id 3) (at 174.625 240.665 0)
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       (effects (font (size 1.27 1.27)) hide)
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-    (pin "2" (uuid 3b7e5dcc-1fad-4199-881a-d127caaf107e))
-    (pin "3" (uuid b238c812-60fd-420e-b363-3e26d74e4527))
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@@ -4578,221 +4750,188 @@
     (pin "1" (uuid 20f40377-497a-471d-8ef5-782aca326c50))
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-    (property "Footprint" "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical" (id 2) (at 149.352 135.255 90)
+  (symbol (lib_id "74xx:74LS02") (at 124.46 182.245 0) (unit 3)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid 4faa582f-4fa6-4707-8984-c15efa7089a4)
+    (property "Reference" "U?" (id 0) (at 124.46 173.355 0))
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       (effects (font (size 1.27 1.27)) hide)
     )
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-    (pin "2" (uuid 3de4e6e5-0762-4a62-a904-8a36583e0a1b))
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-    (property "Footprint" "Diode_THT:D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp" (id 2) (at 172.085 230.505 0)
+    (uuid 5401c645-e95f-457d-8388-d188690be2e1)
+    (property "Reference" "#PWR?" (id 0) (at 292.1 48.895 0)
+      (effects (font (size 1.27 1.27)) hide)
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+    (property "Value" "GND" (id 1) (at 292.227 46.9392 0))
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-    (pin "2" (uuid 6f8adcab-eb1a-499b-b50f-1ddcbe499549))
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-    (property "Footprint" "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical" (id 2) (at 257.302 104.775 90)
+    (uuid 55ee0beb-94f2-4618-ab55-c82906adee27)
+    (property "Reference" "U?" (id 0) (at 95.25 217.805 0))
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       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "~" (id 3) (at 259.08 104.775 0)
+    (property "Datasheet" "http://www.ti.com/lit/gpn/sn74LS04" (id 3) (at 95.25 210.82 0)
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-    (pin "2" (uuid 9c800f6c-f1cb-4b61-895f-610f84aaf916))
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+    (pin "6" (uuid 0489eb32-83a4-4116-b543-6eb690595caf))
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-    (property "Footprint" "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical" (id 2) (at 123.952 100.965 90)
+    (uuid 5941d0c0-a10e-4bbd-bfbb-ccd69836c7cd)
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       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "~" (id 3) (at 125.73 100.965 0)
+    (property "Datasheet" "http://www.ti.com/lit/gpn/sn74LS04" (id 3) (at 91.44 138.43 0)
       (effects (font (size 1.27 1.27)) hide)
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-    (pin "2" (uuid 082c1971-7a00-4d87-bb73-de10d19fa6f0))
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+    (pin "12" (uuid 3aad7c74-9b87-4fd0-9487-f98f6515979d))
+    (pin "13" (uuid 9027846b-2123-4354-a483-8541840b0c8a))
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-    (property "Footprint" "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical" (id 2) (at 111.252 135.255 90)
+    (property "Footprint" "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical" (id 2) (at 257.302 104.775 90)
       (effects (font (size 1.27 1.27)) hide)
     )
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-    (pin "2" (uuid 8d2914a1-c787-401b-817e-ecfdb80a47f9))
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+    (pin "2" (uuid 9c800f6c-f1cb-4b61-895f-610f84aaf916))
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+    (in_bom yes) (on_board yes) (fields_autoplaced)
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-    (property "Footprint" "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical" (id 2) (at 65.913 135.255 90)
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       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "~" (id 3) (at 64.135 135.255 0)
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-    (pin "2" (uuid 5aa0451c-904b-41dd-ab90-8d4f7e886308))
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+    (pin "2" (uuid cb03a02d-6336-4448-b42d-8a679f0749a4))
+    (pin "3" (uuid dcac99c9-5df9-410e-8775-91ad1ce7f29b))
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+    (uuid 5a640023-88e2-4f98-bd07-d97bd70b41d8)
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+    (property "Footprint" "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical" (id 2) (at 123.952 100.965 90)
       (effects (font (size 1.27 1.27)) hide)
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-    (property "Datasheet" "" (id 3) (at 126.365 228.6 0)
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-      (effects (font (size 1.27 1.27)) hide)
+  (symbol (lib_id "Connector_Generic:Conn_01x01") (at 89.535 184.785 0) (unit 1)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid 988ac048-29fb-4387-a1a3-13047787be5a)
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-    (property "Value" "+5V" (id 1) (at 299.466 149.2758 0))
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       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "" (id 3) (at 299.085 153.67 0)
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       (effects (font (size 1.27 1.27)) hide)
     )
-    (pin "1" (uuid e718eabd-949c-43ef-8101-a6f0dca7d58d))
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-    (property "Value" "GND" (id 1) (at 64.008 143.4592 0))
-    (property "Footprint" "" (id 2) (at 64.135 139.065 0)
+  (symbol (lib_id "Connector_Generic:Conn_01x01") (at 108.585 184.785 180) (unit 1)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid 9e441603-17f0-41ab-a352-2264341e5b10)
+    (property "Reference" "J?" (id 0) (at 108.585 178.435 0))
+    (property "Value" "Conn_01x01" (id 1) (at 108.585 180.975 0))
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       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "" (id 3) (at 64.135 139.065 0)
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       (effects (font (size 1.27 1.27)) hide)
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-    (pin "1" (uuid a488c400-f54c-4821-941f-de0c116ef386))
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+  (symbol (lib_id "power:+5V") (at 57.785 157.48 0) (unit 1)
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-    (property "Value" "4.7k" (id 1) (at 49.657 177.038 0)
-      (effects (font (size 1.27 1.27)) (justify left))
+    (uuid 9f13668b-6d08-4f3c-a2ba-ac08a4d444b6)
+    (property "Reference" "#PWR?" (id 0) (at 57.785 161.29 0)
+      (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Footprint" "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical" (id 2) (at 53.213 175.895 90)
+    (property "Value" "+5V" (id 1) (at 58.166 153.0858 0))
+    (property "Footprint" "" (id 2) (at 57.785 157.48 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "~" (id 3) (at 51.435 175.895 0)
+    (property "Datasheet" "" (id 3) (at 57.785 157.48 0)
       (effects (font (size 1.27 1.27)) hide)
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-    (pin "1" (uuid 46400ffd-533f-4ca5-9219-afd6deb6afdc))
-    (pin "2" (uuid fb741a2a-4059-4706-82b0-ca19bf696447))
+    (pin "1" (uuid fa7ce743-9dac-4103-b11c-f05fd70951c0))
   )
 
-  (symbol (lib_id "Diode:1N4148") (at 38.1 189.865 90) (unit 1)
+  (symbol (lib_id "power:+5V") (at -118.745 106.68 0) (unit 1)
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-    (property "Footprint" "Diode_THT:D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp" (id 2) (at 42.545 189.865 0)
+    (uuid a3a216a9-d39f-4498-95ad-835d57e32063)
+    (property "Reference" "#PWR?" (id 0) (at -118.745 110.49 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" (id 3) (at 38.1 189.865 0)
+    (property "Value" "+5V" (id 1) (at -118.364 102.2858 0))
+    (property "Footprint" "" (id 2) (at -118.745 106.68 0)
       (effects (font (size 1.27 1.27)) hide)
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-    (pin "2" (uuid 77e4ff34-a7d2-4e07-97b2-8c6f359d333d))
+    (property "Datasheet" "" (id 3) (at -118.745 106.68 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid e629a209-ca1f-4f80-8437-ca43b023cd46))
   )
 
   (symbol (lib_id "power:PWR_FLAG") (at 394.335 224.155 180) (unit 1)
@@ -5023,70 +5234,39 @@
     (pin "1" (uuid f2dbe678-47ef-45cd-ad93-97e4e1595838))
   )
 
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-    (property "Footprint" "Package_DIP:DIP-14_W7.62mm" (id 2) (at 71.755 131.445 0)
-      (effects (font (size 1.27 1.27)) hide)
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-    (property "Datasheet" "http://www.ti.com/lit/gpn/sn74LS125" (id 3) (at 71.755 131.445 0)
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-    (pin "10" (uuid 71c90993-101d-4bfc-856e-d83ffbd53e60))
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-    (pin "9" (uuid e052a6fe-7d12-4f7a-93b6-f8059cfdc490))
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-
-  (symbol (lib_id "Device:R") (at 193.04 146.05 0) (unit 1)
+  (symbol (lib_id "Device:C") (at -118.745 111.76 0) (unit 1)
     (in_bom yes) (on_board yes)
-    (uuid b60fd6a2-03e4-4281-8b9d-040b4b583c0d)
-    (property "Reference" "R10" (id 0) (at 194.818 144.8816 0)
+    (uuid b1a02a64-2d3d-4828-97fd-dd3b4dbb62de)
+    (property "Reference" "C?" (id 0) (at -115.824 110.5916 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Value" "4.7k" (id 1) (at 194.818 147.193 0)
+    (property "Value" "0.1uF" (id 1) (at -115.824 112.903 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Footprint" "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical" (id 2) (at 191.262 146.05 90)
+    (property "Footprint" "Capacitor_THT:C_Axial_L3.8mm_D2.6mm_P7.50mm_Horizontal" (id 2) (at -117.7798 115.57 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "~" (id 3) (at 193.04 146.05 0)
+    (property "Datasheet" "~" (id 3) (at -118.745 111.76 0)
       (effects (font (size 1.27 1.27)) hide)
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-    (pin "1" (uuid 9b974558-45b0-41b2-b495-397616b679f7))
-    (pin "2" (uuid 8c0d8b2b-3af1-42c6-9084-35c4cbae9be4))
+    (pin "1" (uuid 7cd2f75c-6d2c-48d7-8ca5-9e959edb6995))
+    (pin "2" (uuid ddebd9c4-be55-4b01-bb6e-cf12b9787c23))
   )
 
-  (symbol (lib_id "Connector_Generic:Conn_01x01") (at 43.815 87.63 270) (unit 1)
+  (symbol (lib_id "power:+5V") (at 61.595 202.565 0) (unit 1)
     (in_bom yes) (on_board yes)
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-    (property "Value" "Conn_01x01" (id 1) (at 41.3536 87.63 0)
-      (effects (font (size 1.27 1.27)) hide)
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-    (property "Footprint" "Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical" (id 2) (at 43.815 87.63 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Datasheet" "~" (id 3) (at 43.815 87.63 0)
+    (uuid bd8e3c58-2fd5-4ab1-aba0-c779413c5269)
+    (property "Reference" "#PWR?" (id 0) (at 61.595 206.375 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (pin "1" (uuid b5bf8446-6d46-4a17-a8e7-76a1a52a96c7))
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-  (symbol (lib_id "Diode:1N4148") (at 172.085 236.22 0) (unit 1)
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-    (uuid c48a8f6a-aabd-46bb-b189-6c52e59ce28e)
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-    (property "Value" "1N4148" (id 1) (at 174.625 233.68 0))
-    (property "Footprint" "Diode_THT:D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp" (id 2) (at 172.085 240.665 0)
+    (property "Value" "+5V" (id 1) (at 61.976 198.1708 0))
+    (property "Footprint" "" (id 2) (at 61.595 202.565 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" (id 3) (at 172.085 236.22 0)
+    (property "Datasheet" "" (id 3) (at 61.595 202.565 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (pin "1" (uuid 4887c61f-5eee-47ed-8575-94bf50340195))
-    (pin "2" (uuid 06305251-e378-4891-9146-8f07d688bb2e))
+    (pin "1" (uuid 2c110028-88a4-4401-9148-41ab4f3ad238))
   )
 
   (symbol (lib_id "Diode:1N4004") (at 219.075 41.91 0) (unit 1)
@@ -5120,22 +5300,6 @@
     (pin "1" (uuid 8b9168d8-f03f-455f-a2f0-61061d7635ed))
   )
 
-  (symbol (lib_id "power:GND") (at 139.065 241.3 0) (unit 1)
-    (in_bom yes) (on_board yes)
-    (uuid c7661005-fdae-4393-9f4e-4af9104ab29e)
-    (property "Reference" "#PWR09" (id 0) (at 139.065 247.65 0)
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-    (property "Footprint" "" (id 2) (at 139.065 241.3 0)
-      (effects (font (size 1.27 1.27)) hide)
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-    )
-    (pin "1" (uuid 761e5e9e-c519-4ada-a85e-853c23a27fcf))
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   (symbol (lib_id "Connector_Generic:Conn_01x01") (at 215.265 46.99 270) (unit 1)
     (in_bom yes) (on_board yes)
     (uuid cb4f2bdf-6be5-4993-afae-ec4e7ba25b92)
@@ -5152,21 +5316,6 @@
     (pin "1" (uuid 004a789c-097d-41f7-b2ad-329ae8393b85))
   )
 
-  (symbol (lib_id "Diode:1N4148") (at 172.72 257.81 0) (unit 1)
-    (in_bom yes) (on_board yes)
-    (uuid d1ae219e-cac7-4ebb-a23e-24da5f27740c)
-    (property "Reference" "D17" (id 0) (at 167.64 255.27 0))
-    (property "Value" "1N4148" (id 1) (at 175.26 255.27 0))
-    (property "Footprint" "Diode_THT:D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp" (id 2) (at 172.72 262.255 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Datasheet" "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" (id 3) (at 172.72 257.81 0)
-      (effects (font (size 1.27 1.27)) hide)
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-    (pin "2" (uuid 1f778dad-2f0b-402e-a482-9e902c551dca))
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@@ -5183,22 +5332,6 @@
     (pin "1" (uuid 7b491c8f-3048-453c-aea1-8e12d98fb68f))
   )
 
-  (symbol (lib_id "Connector_Generic:Conn_01x01") (at 31.115 76.2 180) (unit 1)
-    (in_bom yes) (on_board yes)
-    (uuid d85582d1-3609-45f5-a313-b6aab82f36d6)
-    (property "Reference" "J8" (id 0) (at 27.94 76.2 0))
-    (property "Value" "Conn_01x01" (id 1) (at 31.115 73.7386 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Footprint" "Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical" (id 2) (at 31.115 76.2 0)
-      (effects (font (size 1.27 1.27)) hide)
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-    (pin "1" (uuid e0bd124e-9ef4-4a8b-894e-7f2e31ba7642))
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   (symbol (lib_id "power:+5VA") (at 222.885 37.465 0) (unit 1)
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@@ -5247,21 +5380,6 @@
     (pin "1" (uuid bad67d77-ac8d-48c9-bc27-7c03d5f0ec54))
   )
 
-  (symbol (lib_id "Diode:1N4148") (at 142.24 186.055 0) (unit 1)
-    (in_bom yes) (on_board yes)
-    (uuid dd6d8aa5-5f77-4cfd-9373-788d03a2555c)
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-    (property "Value" "1N4148" (id 1) (at 144.78 183.515 0))
-    (property "Footprint" "Diode_THT:D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp" (id 2) (at 142.24 190.5 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Datasheet" "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" (id 3) (at 142.24 186.055 0)
-      (effects (font (size 1.27 1.27)) hide)
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-    (pin "1" (uuid 81a26355-a5c5-4f48-844d-f8eabdc30a2c))
-    (pin "2" (uuid a5dc042e-ccf6-4daf-b017-ba46ebc3fd4e))
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   (symbol (lib_id "Connector_Generic:Conn_02x12_Odd_Even") (at 124.46 43.815 0) (unit 1)
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@@ -5299,6 +5417,21 @@
     (pin "9" (uuid fa730bff-7ae7-4cfc-aa0b-6b723ed31b48))
   )
 
+  (symbol (lib_id "74xx:74LS04") (at 142.24 208.28 0) (unit 1)
+    (in_bom yes) (on_board yes)
+    (uuid e23b08d3-0309-40d6-994e-4618041d2c0b)
+    (property "Reference" "U?" (id 0) (at 142.24 215.265 0))
+    (property "Value" "74LS04" (id 1) (at 142.24 213.36 0))
+    (property "Footprint" "" (id 2) (at 142.24 208.28 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "http://www.ti.com/lit/gpn/sn74LS04" (id 3) (at 142.24 208.28 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 17549bc4-cad6-4936-a643-360ce23e5c5c))
+    (pin "2" (uuid e9e11789-3ee3-4c27-a0ff-f88dcda467ec))
+  )
+
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     (uuid e67e6bbe-b80e-41af-8d79-721fa0a0e994)
@@ -5315,21 +5448,6 @@
     (pin "1" (uuid 0db32ea2-96f1-4799-9766-4defd34500d3))
   )
 
-  (symbol (lib_id "Diode:1N4148") (at 142.24 163.83 0) (unit 1)
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-    (property "Value" "1N4148" (id 1) (at 144.78 161.29 0))
-    (property "Footprint" "Diode_THT:D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp" (id 2) (at 142.24 168.275 0)
-      (effects (font (size 1.27 1.27)) hide)
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-    (property "Datasheet" "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" (id 3) (at 142.24 163.83 0)
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-    (pin "2" (uuid 44da042d-e66e-486e-a276-7dbed12b89cf))
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@@ -5345,35 +5463,20 @@
     (pin "2" (uuid fbe3fecf-40a1-478f-899d-9b527cb355d5))
   )
 
-  (symbol (lib_id "Diode:1N4148") (at 172.72 252.095 0) (unit 1)
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-      (effects (font (size 1.27 1.27)) hide)
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-    (property "Datasheet" "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" (id 3) (at 172.72 252.095 0)
-      (effects (font (size 1.27 1.27)) hide)
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-    (pin "2" (uuid a9e9547e-c064-4790-9898-9b0831b6ea29))
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-    )
-    (property "Value" "+5VD" (id 1) (at 79.375 127.8405 0))
-    (property "Footprint" "" (id 2) (at 79.375 131.445 0)
+    (uuid eef9f952-bbe6-4e33-95bd-972ec66a24d8)
+    (property "Reference" "U?" (id 0) (at 142.24 172.72 0))
+    (property "Value" "74LS02" (id 1) (at 142.24 175.26 0))
+    (property "Footprint" "" (id 2) (at 142.24 182.245 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "" (id 3) (at 79.375 131.445 0)
+    (property "Datasheet" "http://www.ti.com/lit/gpn/sn74ls02" (id 3) (at 142.24 182.245 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (pin "1" (uuid cb47a693-8ce0-4150-a5f1-08f790e4a5e8))
+    (pin "4" (uuid efb3a623-8fcc-42c9-8a16-87b6d93b9622))
+    (pin "5" (uuid 72f3514d-20d1-4121-973a-f08c8c789c4d))
+    (pin "6" (uuid 466c2fd0-5a33-44b7-ae17-361fe4e1933c))
   )
 
   (symbol (lib_id "power:GND") (at 259.08 108.585 0) (unit 1)
@@ -5392,35 +5495,20 @@
     (pin "1" (uuid e3b3a6b6-6db7-40b6-bd0d-59e70b5a4bd4))
   )
 
-  (symbol (lib_id "Connector_Generic:Conn_01x01") (at 56.515 76.2 0) (unit 1)
+  (symbol (lib_id "power:GND") (at 204.47 156.845 0) (unit 1)
     (in_bom yes) (on_board yes)
-    (uuid f7a7ace8-7226-4c98-8d15-2a787897e552)
-    (property "Reference" "J7" (id 0) (at 59.69 76.2 0))
-    (property "Value" "Conn_01x01" (id 1) (at 56.515 78.6614 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Footprint" "Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical" (id 2) (at 56.515 76.2 0)
-      (effects (font (size 1.27 1.27)) hide)
-    )
-    (property "Datasheet" "~" (id 3) (at 56.515 76.2 0)
+    (uuid fc4c11c2-372a-46d8-b26f-d8d4944beec3)
+    (property "Reference" "#PWR?" (id 0) (at 204.47 163.195 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (pin "1" (uuid 2a894a84-1939-4e5d-971f-e29278879ab5))
-  )
-
-  (symbol (lib_id "Diode:1N4148") (at 172.085 210.82 0) (unit 1)
-    (in_bom yes) (on_board yes)
-    (uuid f8f23bc7-7f9a-45bb-bcc9-d7c30e1a0b2d)
-    (property "Reference" "D11" (id 0) (at 167.005 208.28 0))
-    (property "Value" "1N4148" (id 1) (at 174.625 208.28 0))
-    (property "Footprint" "Diode_THT:D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp" (id 2) (at 172.085 215.265 0)
+    (property "Value" "GND" (id 1) (at 204.597 161.2392 0))
+    (property "Footprint" "" (id 2) (at 204.47 156.845 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "https://assets.nexperia.com/documents/data-sheet/1N4148_1N4448.pdf" (id 3) (at 172.085 210.82 0)
+    (property "Datasheet" "" (id 3) (at 204.47 156.845 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (pin "1" (uuid 2d42c27d-5995-4caa-b703-299f842830dd))
-    (pin "2" (uuid 22c483c8-0ebc-44d3-8713-fedbcab3432a))
+    (pin "1" (uuid 31377f66-d801-4262-97ca-d51b5ae6e64e))
   )
 
   (sheet_instances
@@ -5437,36 +5525,9 @@
     (path "/4ac5ab40-1b6b-4578-ac0f-723ab9a75ea8"
       (reference "#FLG0103") (unit 1) (value "PWR_FLAG") (footprint "")
     )
-    (path "/97b6b3c3-abe1-43f1-9397-c356feb5ee2a"
-      (reference "#PWR01") (unit 1) (value "GND") (footprint "")
-    )
-    (path "/f28eb4f8-6ca2-4f07-ac81-b9404e7ed0fa"
-      (reference "#PWR02") (unit 1) (value "+5VD") (footprint "")
-    )
-    (path "/9147cd62-9ca6-4c6a-bf66-316c793b7506"
-      (reference "#PWR03") (unit 1) (value "+5VD") (footprint "")
-    )
-    (path "/4b711e8f-c05b-44ed-8540-0d0367a24c29"
-      (reference "#PWR04") (unit 1) (value "GND") (footprint "")
-    )
     (path "/e67e6bbe-b80e-41af-8d79-721fa0a0e994"
       (reference "#PWR05") (unit 1) (value "+5V") (footprint "")
     )
-    (path "/64cd4142-29a0-4bed-a77e-05017ced5a9c"
-      (reference "#PWR06") (unit 1) (value "+5V") (footprint "")
-    )
-    (path "/0a573113-7cad-4647-83da-6e75e1befde6"
-      (reference "#PWR07") (unit 1) (value "GND") (footprint "")
-    )
-    (path "/43879ac7-f230-4696-95ed-6babb22f0407"
-      (reference "#PWR08") (unit 1) (value "+5V") (footprint "")
-    )
-    (path "/c7661005-fdae-4393-9f4e-4af9104ab29e"
-      (reference "#PWR09") (unit 1) (value "GND") (footprint "")
-    )
-    (path "/8a404b86-d3e1-4be0-a8ba-be524434abfb"
-      (reference "#PWR010") (unit 1) (value "+5V") (footprint "")
-    )
     (path "/f4d4296a-2daf-4866-99fd-e1ed11271f70"
       (reference "#PWR011") (unit 1) (value "GND") (footprint "")
     )
@@ -5476,15 +5537,9 @@
     (path "/00000000-0000-0000-0000-00005e291dad"
       (reference "#PWR0101") (unit 1) (value "GND") (footprint "")
     )
-    (path "/00000000-0000-0000-0000-00006095c339"
-      (reference "#PWR0102") (unit 1) (value "+5V") (footprint "")
-    )
     (path "/00000000-0000-0000-0000-00005e292725"
       (reference "#PWR0103") (unit 1) (value "+5V") (footprint "")
     )
-    (path "/00000000-0000-0000-0000-0000607e52a3"
-      (reference "#PWR0104") (unit 1) (value "GND") (footprint "")
-    )
     (path "/37b34307-1661-4995-9bd4-b4bfb3a0e198"
       (reference "#PWR0105") (unit 1) (value "GND") (footprint "")
     )
@@ -5548,9 +5603,6 @@
     (path "/00000000-0000-0000-0000-000061057968"
       (reference "#PWR0125") (unit 1) (value "GND") (footprint "")
     )
-    (path "/00000000-0000-0000-0000-000060a2ae32"
-      (reference "#PWR0126") (unit 1) (value "GND") (footprint "")
-    )
     (path "/74738092-2953-4918-bcf9-fd4315c40a88"
       (reference "#PWR0127") (unit 1) (value "GND") (footprint "")
     )
@@ -5587,11 +5639,41 @@
     (path "/d81b328d-50a5-4e89-82d5-111b8a705c6f"
       (reference "#PWR0138") (unit 1) (value "+5VD") (footprint "")
     )
-    (path "/67b810e7-b7f4-4fc8-89a7-9c371140114a"
-      (reference "#PWR0139") (unit 1) (value "+5V") (footprint "")
+    (path "/09994ceb-614a-4c2d-a253-a88b666fc97d"
+      (reference "#PWR?") (unit 1) (value "GND") (footprint "")
+    )
+    (path "/1a36eb87-5568-48dc-be11-737d9413eace"
+      (reference "#PWR?") (unit 1) (value "+5V") (footprint "")
+    )
+    (path "/1decb76a-f36b-46ab-873c-16a8fcc4bff6"
+      (reference "#PWR?") (unit 1) (value "GND") (footprint "")
+    )
+    (path "/419f6d1b-2349-4c33-91f0-69cea676a544"
+      (reference "#PWR?") (unit 1) (value "+5V") (footprint "")
+    )
+    (path "/46444264-e166-492d-85d3-7d2e039ad629"
+      (reference "#PWR?") (unit 1) (value "GND") (footprint "")
+    )
+    (path "/5401c645-e95f-457d-8388-d188690be2e1"
+      (reference "#PWR?") (unit 1) (value "GND") (footprint "")
+    )
+    (path "/5d0b11a2-597e-4b73-aa96-5ed33dd96da9"
+      (reference "#PWR?") (unit 1) (value "+5V") (footprint "")
+    )
+    (path "/81ebe71b-2f9f-4d10-a391-3a37d2dca329"
+      (reference "#PWR?") (unit 1) (value "GND") (footprint "")
+    )
+    (path "/9f13668b-6d08-4f3c-a2ba-ac08a4d444b6"
+      (reference "#PWR?") (unit 1) (value "+5V") (footprint "")
+    )
+    (path "/a3a216a9-d39f-4498-95ad-835d57e32063"
+      (reference "#PWR?") (unit 1) (value "+5V") (footprint "")
+    )
+    (path "/bd8e3c58-2fd5-4ab1-aba0-c779413c5269"
+      (reference "#PWR?") (unit 1) (value "+5V") (footprint "")
     )
-    (path "/1593efeb-4759-429e-87bc-982a1c6a8eb7"
-      (reference "#PWR0140") (unit 1) (value "+5V") (footprint "")
+    (path "/fc4c11c2-372a-46d8-b26f-d8d4944beec3"
+      (reference "#PWR?") (unit 1) (value "GND") (footprint "")
     )
     (path "/00000000-0000-0000-0000-000060a79c85"
       (reference "A1") (unit 1) (value "Arduino_Nano_v3.x") (footprint "Module:Arduino_Nano")
@@ -5611,87 +5693,24 @@
     (path "/00000000-0000-0000-0000-0000610650f4"
       (reference "C5") (unit 1) (value "0.1uF") (footprint "Capacitor_THT:C_Axial_L3.8mm_D2.6mm_P7.50mm_Horizontal")
     )
+    (path "/46f33466-b696-43c8-a670-87c3b9977926"
+      (reference "C?") (unit 1) (value "0.1uF") (footprint "Capacitor_THT:C_Axial_L3.8mm_D2.6mm_P7.50mm_Horizontal")
+    )
+    (path "/b1a02a64-2d3d-4828-97fd-dd3b4dbb62de"
+      (reference "C?") (unit 1) (value "0.1uF") (footprint "Capacitor_THT:C_Axial_L3.8mm_D2.6mm_P7.50mm_Horizontal")
+    )
     (path "/ed6cafba-b430-499a-9a09-3ac50b37c7cf"
       (reference "D1") (unit 1) (value "1N4004") (footprint "Diode_THT:D_DO-41_SOD81_P2.54mm_Vertical_AnodeUp")
     )
     (path "/c4b85c50-3779-4d6e-9ea6-a16a99afe6ca"
       (reference "D2") (unit 1) (value "1N4004") (footprint "Diode_THT:D_DO-41_SOD81_P2.54mm_Vertical_AnodeUp")
     )
-    (path "/eababe2a-0ecd-4427-a6f7-2ec75821d4fc"
-      (reference "D3") (unit 1) (value "1N4148") (footprint "Diode_THT:D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp")
-    )
-    (path "/09347eba-ccfb-44fa-b3de-952ed9f86c5d"
-      (reference "D4") (unit 1) (value "1N4148") (footprint "Diode_THT:D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp")
-    )
-    (path "/6e628101-c644-4e45-b300-c16641f5966c"
-      (reference "D5") (unit 1) (value "1N4148") (footprint "Diode_THT:D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp")
-    )
-    (path "/6d3daa05-8476-46d5-8c70-498a73a5ce5f"
-      (reference "D6") (unit 1) (value "1N4148") (footprint "Diode_THT:D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp")
-    )
-    (path "/dd6d8aa5-5f77-4cfd-9373-788d03a2555c"
-      (reference "D7") (unit 1) (value "1N4148") (footprint "Diode_THT:D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp")
-    )
-    (path "/7b72c7bb-ba38-4ba0-b997-16565b3643a4"
-      (reference "D8") (unit 1) (value "1N4148") (footprint "Diode_THT:D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp")
-    )
-    (path "/3e63b5c7-14de-4e31-a7e1-50ccf12fab0c"
-      (reference "D9") (unit 1) (value "1N4148") (footprint "Diode_THT:D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp")
-    )
-    (path "/39191687-cb4b-4926-a42d-88bbbfc6d760"
-      (reference "D10") (unit 1) (value "1N4148") (footprint "Diode_THT:D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp")
-    )
-    (path "/f8f23bc7-7f9a-45bb-bcc9-d7c30e1a0b2d"
-      (reference "D11") (unit 1) (value "1N4148") (footprint "Diode_THT:D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp")
-    )
-    (path "/2a75844c-113b-4696-9d4b-b8eac1250f57"
-      (reference "D12") (unit 1) (value "1N4148") (footprint "Diode_THT:D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp")
-    )
-    (path "/2c31d3e2-8ab8-4442-86d9-d1d80b0ac065"
-      (reference "D13") (unit 1) (value "1N4148") (footprint "Diode_THT:D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp")
-    )
-    (path "/52c801ee-50da-4f65-abd9-988bbe19b6db"
-      (reference "D14") (unit 1) (value "1N4148") (footprint "Diode_THT:D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp")
-    )
-    (path "/263e8c9b-1425-4722-9aaa-536f9d3e7c1e"
-      (reference "D15") (unit 1) (value "1N4148") (footprint "Diode_THT:D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp")
-    )
-    (path "/edb35209-55c3-49a8-9aaf-369715e21308"
-      (reference "D16") (unit 1) (value "1N4148") (footprint "Diode_THT:D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp")
-    )
-    (path "/d1ae219e-cac7-4ebb-a23e-24da5f27740c"
-      (reference "D17") (unit 1) (value "1N4148") (footprint "Diode_THT:D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp")
-    )
-    (path "/c48a8f6a-aabd-46bb-b189-6c52e59ce28e"
-      (reference "D18") (unit 1) (value "1N4148") (footprint "Diode_THT:D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp")
-    )
-    (path "/ac6b45bb-d288-4a55-b46b-b43e8c54f4b3"
-      (reference "D19") (unit 1) (value "1N4148") (footprint "Diode_THT:D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp")
-    )
-    (path "/2e23db4f-942c-43a5-9246-4bbaaa1e5cf8"
-      (reference "J1") (unit 1) (value "extra CS") (footprint "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical")
-    )
     (path "/00000000-0000-0000-0000-000060cb41f4"
       (reference "J2") (unit 1) (value "Jumper Block") (footprint "Connector_PinHeader_2.54mm:PinHeader_2x04_P2.54mm_Vertical")
     )
-    (path "/00000000-0000-0000-0000-00006107193e"
-      (reference "J3") (unit 1) (value "Jumper Block") (footprint "Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical")
-    )
     (path "/e06d1eab-cb86-4592-b7c5-13289f2591ff"
       (reference "J4") (unit 1) (value "Target Interface, 2716 Pinout") (footprint "Connector_PinHeader_2.54mm:PinHeader_2x12_P2.54mm_Vertical")
     )
-    (path "/4d6fcc2f-a501-4eaf-be9d-9ef118b43c3d"
-      (reference "J5") (unit 1) (value "read region") (footprint "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical")
-    )
-    (path "/bc344a17-e2cd-4fbe-a62d-0a585f5bf2cd"
-      (reference "J6") (unit 1) (value "Conn_01x01") (footprint "Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical")
-    )
-    (path "/f7a7ace8-7226-4c98-8d15-2a787897e552"
-      (reference "J7") (unit 1) (value "Conn_01x01") (footprint "Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical")
-    )
-    (path "/d85582d1-3609-45f5-a313-b6aab82f36d6"
-      (reference "J8") (unit 1) (value "Conn_01x01") (footprint "Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical")
-    )
     (path "/19b1efdb-a9fc-4b47-8244-e1fc60c95fb0"
       (reference "J12") (unit 1) (value "Conn_01x01") (footprint "Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical")
     )
@@ -5707,18 +5726,21 @@
     (path "/00000000-0000-0000-0000-0000607e1ea2"
       (reference "J16") (unit 1) (value "Target Interface, 2716 Pinout") (footprint "Package_DIP:DIP-24_W15.24mm_Socket")
     )
+    (path "/436b8ff9-08db-4ff6-a827-7db678ad5e0e"
+      (reference "J?") (unit 1) (value "read region") (footprint "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical")
+    )
+    (path "/988ac048-29fb-4387-a1a3-13047787be5a"
+      (reference "J?") (unit 1) (value "Conn_01x01") (footprint "")
+    )
+    (path "/9e441603-17f0-41ab-a352-2264341e5b10"
+      (reference "J?") (unit 1) (value "Conn_01x01") (footprint "")
+    )
     (path "/00000000-0000-0000-0000-000060a18a27"
       (reference "Q1") (unit 1) (value "2N7000") (footprint "Package_TO_SOT_THT:TO-92_Wide")
     )
     (path "/00000000-0000-0000-0000-000060aa2a6e"
       (reference "R1") (unit 1) (value "4.7k") (footprint "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical")
     )
-    (path "/602681f2-c423-4365-8e94-0177ea960b03"
-      (reference "R2") (unit 1) (value "4.7k") (footprint "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical")
-    )
-    (path "/5afd8792-2a1c-4c40-8389-d0b7270cc390"
-      (reference "R3") (unit 1) (value "4.7k") (footprint "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical")
-    )
     (path "/88ce3174-a8b3-4149-886a-872ed4746e98"
       (reference "R4") (unit 1) (value "10k") (footprint "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical")
     )
@@ -5728,18 +5750,9 @@
     (path "/5a640023-88e2-4f98-bd07-d97bd70b41d8"
       (reference "R6") (unit 1) (value "4.7k") (footprint "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical")
     )
-    (path "/5191daa9-7512-4ab7-ba71-5f4cad956e0f"
-      (reference "R7") (unit 1) (value "1k") (footprint "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical")
-    )
     (path "/59d70ba8-8901-43d7-9e71-45fc4d05f5dd"
       (reference "R8") (unit 1) (value "10k") (footprint "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical")
     )
-    (path "/9fad9287-0f1a-49d9-8c00-6b85fd067582"
-      (reference "R9") (unit 1) (value "4.7k") (footprint "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical")
-    )
-    (path "/b60fd6a2-03e4-4281-8b9d-040b4b583c0d"
-      (reference "R10") (unit 1) (value "4.7k") (footprint "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical")
-    )
     (path "/00000000-0000-0000-0000-0000607df9f3"
       (reference "U1") (unit 1) (value "2716") (footprint "Package_DIP:DIP-24_W15.24mm_Socket")
     )
@@ -5752,29 +5765,62 @@
     (path "/00000000-0000-0000-0000-00006094b177"
       (reference "U2") (unit 3) (value "74LS74") (footprint "Package_DIP:DIP-14_W7.62mm")
     )
-    (path "/00000000-0000-0000-0000-00006081e4de"
-      (reference "U3") (unit 1) (value "74LS125") (footprint "Package_DIP:DIP-14_W7.62mm")
+    (path "/12bcf9e3-df85-4b84-829a-b2be7c110549"
+      (reference "U6") (unit 1) (value "MCP23018-E_SP") (footprint "Package_DIP:DIP-28_W7.62mm")
     )
-    (path "/222138b5-d6cb-4a76-bfb4-ba0550dad945"
-      (reference "U3") (unit 2) (value "74LS125") (footprint "Package_DIP:DIP-14_W7.62mm")
+    (path "/0d52fbf2-1bfa-42d9-ae91-95d10277d4e9"
+      (reference "U?") (unit 1) (value "74LS30") (footprint "")
     )
-    (path "/ad465fea-abcb-4cfe-a60a-47d42f6f3e91"
-      (reference "U3") (unit 3) (value "74LS125") (footprint "Package_DIP:DIP-14_W7.62mm")
+    (path "/5a486e21-5e53-418e-a155-4c707a3fed8f"
+      (reference "U?") (unit 1) (value "74LS02") (footprint "")
     )
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+    (path "/77fe34cf-a9ba-4112-81ff-6785fbe7cfb0"
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 )