Many precision current source designs are available, but simple arithmetic for component values to tailor them for an ...

Mellow Labs] wanted to grab a multimeter that could do Bluetooth. Those are cheap and plentiful, but the Bluetooth software was, unsurprisingly, somewhat lacking. A teardown shows a stock ...

Your power banks's capacity won’t neatly map onto your charging needs, but finding the right size doesn’t have to be ...

If you’d like to fix or even diagnose anything involving electricity – whether it’s the energy that surges through a car, ...