From 7cd889d5b474a94fdbb6398a6fad5d7f47e5a6c0 Mon Sep 17 00:00:00 2001 From: Dylan Thrush Date: Mon, 12 Mar 2018 15:50:42 -0700 Subject: [PATCH] Update grasp.md --- electrical/documents/nodes/grasp.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/electrical/documents/nodes/grasp.md b/electrical/documents/nodes/grasp.md index 2052ea3..e540d94 100644 --- a/electrical/documents/nodes/grasp.md +++ b/electrical/documents/nodes/grasp.md @@ -59,5 +59,5 @@ Controls 4 DC motors with quadrature encoder and current feedback. Has four anal #### Version 1 - Missing 3v3 rail connection to VBAT pin on Teensy. Will program without it, but will not boot without it. -- 12V supply is outputting about 22V -- Motors are not turning :( +- 12V switching supply GND is not connected to board GND >.< +- Motor controller needs a thermal pad in the footprint, will not work otherwise because thermal pad is connected to GND. Scrape away silkscreen below package before soldering.