external camera rev 1a

osrf · Sep 26, 2019 · 6820b07 · 6820b07
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commit 6820b07
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diff --git a/hardware/ovc3a/external_camera/external_camera.kicad_pcb b/hardware/ovc3a/external_camera/external_camera.kicad_pcb
diff --git a/hardware/ovc3a/external_camera/external_camera_2d.png b/hardware/ovc3a/external_camera/external_camera_2d.png
diff --git a/hardware/ovc3a/external_camera/fab/README.txt b/hardware/ovc3a/external_camera/fab/README.txt
@@ -0,0 +1,17 @@
+PCB fabrication notes
+====
+ * 6 layers
+ * rectangular, 138mm x 30mm
+ * 1.6mm finished thickness
+ * black soldermask
+ * minimum via size 0.3556mm (14mil), minimum via drill 0.1524mm (6mil)
+ * minimum trace/space 0.102mm (4mil) due to BGA fanout.
+
+Assembly notes:
+====
+ * SMT both sides. Minimum passives 0402. Two BGA's with ~0.65 x 0.55mm pitch
+ * otherwise, all legged IC packages: TSSOP, SOIC, etc.
+ * FFC connector on bottom side
+ * please ignore all parts with "Do Not Populate" (DNP) part numbers
+ * DNP all through-hole parts, as shown in BOM
+ * two non-populated module footprints: U1, U9. Do not apply solder paste.