From: Bdale Garbee Date: Mon, 8 Jul 2024 18:36:22 +0000 (-0600) Subject: more notes on switches, board geometry, etc X-Git-Tag: fab-v2p1~6 X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=dd31a983d1fb984e00b895569fe7ffa78c411f6d;p=hw%2Fquantimotor more notes on switches, board geometry, etc --- diff --git a/Notebook b/Notebook index 80da30c..2afab1f 100644 --- a/Notebook +++ b/Notebook @@ -243,3 +243,18 @@ if I want to have an actual switch for interrupting the SOM boot. For about twice as much per, there's a smaller SMT part, "PTS815 SJG 250 SMTR LFS" +2024.07.07 +- seems clear that I'm going to want actual switches for rst_n and sw_rst, like + the eval module has, to ensure I can get into uboot + +2024.07.08 +- after talking to Terry, the right answer is probably to make the PCB 0.25" + wider, to make room for two switches on the corner by the siren/strobe screw + strip, and have the right-angle USB connector hanging less off the side of + the board. I'll want to shift the microSD connector over, but otherwise it + probably makes sense to just leave the rest of the layout alone? I thought + briefly about switching the LPC footprint to the larger one to use the + LPC11U12 parts I bought, but I have enough 14s to probably be a lifetime + supply for QuantiMotor, and could use the 12s on the greenhouse board I've + been contemplating, so no real reason to go to the effort. +