Reply to "FasTrack Switch Simulator"

stan2004OGR Forum Member

Right. I think it is beneficial to use a single ground/common/black. So the proverbial black-box above is powered by AC on the left. It generates +5V and -5V DC using 5-cent diodes, 10-cent capacitors, and 25-cent voltage regulator IC chips. A $3 "dual-coil" 5V latching relay is set or reset by the momentary RSC (red or green) wires. And the relay output contacts steers either +5V or -5V to the yellow wire. Obviously there's soldering and messing with small electronic components...

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