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+--- Thread: These boots are made for... (/Thread-These-boots-are-made-for)
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RE: These boots are made for... - occorics - 16 Aug 2017
I have worked out a circuit that relies on the lower resistance of wet leather compared to dry.
The two loose wires get connected to the boots with alligator-clips. During my tests, the distance was around 20cm.
The variable resistor is to calibrate the sensitivity. When it's set right, the LED is lit as long as there's a wet path between the contact points.
Next step is to connect it to a RaspberryPi and write a little program that counts down a timer for release as long as the sub keeps licking.
I think, using several of these will keep the sub very busy to keep all the contacts closed...