Can we do this? (aka The DIY Cruise Control Thread)

[PatrickJohnson]

Originally Posted by CTScott

It just drives the power LED. Because the switches are all paralleled together, the ADC is required to differentiate the on/off switch from the other three.

The problem with driving a SET LED, based on just the switch, is that there are too many conditions where you could press the switch, but not really be "set". Tonight I should have a chance to drop the schematic into ORCAD. If there was enough interest in the modules I figured I would do a run of boards.

I see. pretty cool either way. I was thinking of just doing a cmos flip flop switch to run the LED. I figured I could use the connection made by the on/off to touch a flip flop circuit or a relay and reset it's state, turning on the LED. of course, that might be using a sledgehammer to drive a thumb tack :)