Day 28: More controller testing - with locos!
Entry posted by TurboSnail
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A bit more development on the controller concept - PCBs have been ordered, so I'm doing some more work on the software. It's now set up to respond to the throttle using centre-off (so no clicking a reversing switch every few seconds while shunting) and it seems reasonably smooth. I had to incorporate a bit of a dead zone in the centre otherwise it was a bit twitchy - it seems pretty smooth now. I've also wired in a light-dependant resistor, which stops power to the track when it senses dark - fortunately this works, as the little Ruston would fall off the end of the desk otherwise!
Stats:
No. of lines of code needed to make this work: 55 (with extra spaces to make it easier to read)
Correct resistor to use with a 20k to 2M LDR: 1k (this took considerable experimentation to get right)
Cumulative pushup counter: 3325
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