From 39577dbed8118782a4a219f089cf2fb307ddc777 Mon Sep 17 00:00:00 2001 From: Bdale Garbee Date: Thu, 25 Aug 2022 16:01:13 -0600 Subject: [PATCH] add a Notebook file with some of my thoughts about this project --- Notebook | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 Notebook diff --git a/Notebook b/Notebook new file mode 100644 index 0000000..2ead453 --- /dev/null +++ b/Notebook @@ -0,0 +1,16 @@ +2022.08.25 +- thinking about upgrading one side of the CSM84 to CL series feeders, which + operate pneumatically with a valve per lane that needs a FET switch to + activate. We have 42 mechanical 8mm feeder spaces per side, I'd hope to + end up with support for 42 CL feeders, all likely to be used exclusively + for 8x2mm 0402 lanes. + +- imagine a board with a 64-pin STM32L151 driving 21 dual FETs to operate + 42 lanes. processor powered by the USB interface that would be used to + interface with the board. 2-pin connector like the ones used on my USB + audio boards to bring in DC power for the valves. low-side FET switches. + +- if we posit 2 50 pin headers, putting one on each end of a board and + assuming we'd mount the board in the center of the side with 2 pins of + each ribbon cable connecting to a valve seems to make sense? + -- 2.47.2