Here is a useful circuit for Arduino lovers and experimenters. It is a simple digital voltmeter, which can safely measure input dc voltages in 0 to 30V range. The Arduino board can be powered from a ...

This collection of hardware is a diy voltmeter. It can measure up to 17V ... The LTC2400 ADC board is used to make the measurements, with the Arduino processing the output and taking care of ...

One part that I find myself using somewhat regularly in microcontroller-based experiments ... of the DC voltmeter used with the setup (for me, it’s around 20 mA). It’s almost been six weeks since I’ve ...