I'm trying to create something similar to this project and was looking for something cheap to use in place of the Relay Tester Box....
Any Ideas?
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It looks like the relay tester is a glorified set of potentiometers, with a switch or two; the inputs to the Arduino appear to all be analog lines, so you should be able to craft your own, and give it a funky patina of age as you see fit. :-) The schematic of the original relay tester is even included in the author's original post, so designing something similar or identical to the original would be pretty straightforward. |
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