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posted on 2013/03/28 09:00:30 PM EDT
posted on 2013/03/28 03:59:21 PM EDT
posted on 2013/03/28 05:30:15 AM EDT
l am trying to replace a standard dpdt three position switch (on-off-on) with something a bit smarter.
I have a 12F675 I want to use with a momentary switch to toggle on-off-auto and provide high/low outputs the same as a three pos switch. I also want an RGB led to indicate the switches current state via three colors. The idea would be to have single button presses for on and off, but a long press/hold to go into auto mode and single press to cancel auto.
Ive searched everywhere for a solution but haven't found anything. Can one of you point me in the right direction of an example or a project someone else has come up with?
posted on 2013/03/26 05:42:21 PM EDT
Not sure were to place this one, but this would be a tricky one. Its the bus used on Vending machines that control the cash system. It looks like a serial bus much like RS485 or the old RS232. Be nice in C code.
One can hope that someone out there is doing this.
posted on 2013/03/26 10:07:16 AM EDT