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2 votes

Need a solar powered mechanical motor? that moves a leaver up and down low force and little distance on day/night

Most easy way is to buy inexpensive garden water timer. Simplest one contains ball valve with motor, two dials for setting watering period and time and is powered by two 1,5 V cells. If you wish non-...
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0 votes

Need help with reverse engineering a sensor

There are two issues at play: Why does the sensor work when it is covered in glue? Why doesn't it work in your tests? There are two perfectly good explanations. The glue is thermally conductive. ...
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