charles.unix.pro at gmail.com
Sat Oct 31 15:11:29 CDT 2015
The front panel I want to build is for my DPS8-M (aka Honeywell 6180)
(Now it's a pretty big panel, so I'm thinking 1/4 scale.)
I'm mostly interested in the lights; having functional switches would be
nice, but not critical.
(My background: good grasp of basic digital electronics; did some wirewrap
boards back in the early eighties. Poor soldering skills, no workshop. Mad
I would like to build it reasonably cheaply.
So I would start with a simple SBC; Beaglebone or the like, that can
function as a USB device. I can write the S/W to push a bunch of bits down
What I don't know how to do is drive 500 or so LEDs.
I am guessing a bunch of shift registers, but I've pretty much reached my
design limits. I need some guidance on locating and understanding the
technology to run that many LEDs.
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