M’Day: Low Power Motion Sensor Arduino Night Light…
A few years back I made a motion sensitive night light as a Mother’s day gift and while it worked pretty well it really chewed out the batteries. And as...
ADC Battery Voltage: Divide, Match and Measure…
While the stock Arduino isn’t particularly well geared to running from a battery source, there are times it will be useful to know the status of our battery voltage. Using...
Catching some ZZZs, Part 1: Interrupted Sleep
So you finished your lastest Arduino project, hooked up a 9volt battery to the VIN and stuck the whole thing into a project box. You come back a few hours...
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