Adam Humphreys has created a new affordable Arduino programmable power controller in the form of the Protean 8×2 which offers a 16-Ch N/P FET power node/controller, wired, interfaced, programmed ...

The next three-pin connector (J1) is for an external DC digital voltmeter ... 5-V DVM by slightly changing the hardware setup and powering the Arduino from an external power source like the common 9-V ...

The latest addition to my collection is a cheap portable power supply module labeled by its seller as “18650 Battery Shield (V3) for Raspberry Pi & Arduino ... includes a standard USB ‘A’ female ...

"Combining the flexibility of Arduino with the power of Android or Linux, you can create and update tons of stand-alone solutions without worrying about the linking between the two worlds and ...

but for the purposes of measuring battery power in a system or deciding when to send a “low battery” signal, it’s an attractive solution. Being an Arduino library, CPUVolt makes this idea ...