diff --git a/capes/pb/strings/PB16-EXP.json b/capes/pb/strings/PB16-EXP.json
new file mode 100644
index 000000000..c8e1da3f5
--- /dev/null
+++ b/capes/pb/strings/PB16-EXP.json
@@ -0,0 +1,55 @@
+{
+    "name": "PB16-EXP",
+    "longName": "PB16 w/ Expansion (2 Serial)",
+    "numSerial": 2,
+    "outputs": [
+        {  "pin": "P2-22" },
+        {  "pin": "P2-18" },
+        {  "pin": "P2-10" },
+        {  "pin": "P2-08" },
+        {  "pin": "P2-06" },
+        {  "pin": "P2-04" },
+        {  "pin": "P2-02" },
+        {  "pin": "P2-01" },
+        {  "pin": "P2-24" },
+        {  "pin": "P2-25" },
+        {  "pin": "P2-27" },
+        {  "pin": "P2-33" },
+        {  "pin": "P1-29" },
+        {  "pin": "P2-34" },
+        {  "pin": "P2-30" },
+        {  "pin": "P1-33" },
+
+        {  "pin": "P1-31" },
+        {  "pin": "P1-35" },
+        {  "pin": "P1-34" },
+        {  "pin": "P1-32" },
+        {  "pin": "P1-30" },
+        {  "pin": "P1-20" },
+        {  "pin": "P1-12" },
+        {  "pin": "P2-09" },
+        {  "pin": "P2-11" },
+        {  "pin": "P2-19" },
+        {  "pin": "P2-20" },
+        {  "pin": "P2-17" },
+        {  "pin": "P2-07" },
+        {  "pin": "P2-05" },
+        {  "pin": "P2-03" },
+        {  "pin": "P2-28" }
+    ],
+    "groups": [
+        {
+            "start": 1,
+            "count": 16
+        },
+        {
+            "start": 17,
+            "count": 16,
+            "type": "expansion"
+        }
+    ],
+    "serial": [
+        {  "pin": "P2-32" },
+        {  "pin": "P1-36" }
+    ]
+}
diff --git a/capes/pb/strings/PB16.json b/capes/pb/strings/PB16.json
new file mode 100644
index 000000000..401af86ca
--- /dev/null
+++ b/capes/pb/strings/PB16.json
@@ -0,0 +1,33 @@
+{
+    "name": "PB16",
+    "longName": "PB16 (2 Serial)",
+    "numSerial": 2,
+    "outputs": [
+        {  "pin": "P2-22" },
+        {  "pin": "P2-18" },
+        {  "pin": "P2-10" },
+        {  "pin": "P2-08" },
+        {  "pin": "P2-06" },
+        {  "pin": "P2-04" },
+        {  "pin": "P2-02" },
+        {  "pin": "P2-01" },
+        {  "pin": "P2-24" },
+        {  "pin": "P2-25" },
+        {  "pin": "P2-27" },
+        {  "pin": "P2-33" },
+        {  "pin": "P1-29" },
+        {  "pin": "P2-34" },
+        {  "pin": "P2-30" },
+        {  "pin": "P1-33" }
+    ],
+    "groups": [
+        {
+            "start": 1,
+            "count": 16
+        }
+    ],
+    "serial": [
+        {  "pin": "P2-32" },
+        {  "pin": "P1-36" }
+    ]
+}