Arduino enthusiasts and makers searching for a new project to keep them busy this weekend may be interested in a new DIY Arduino Nano multimeter created by YouTuber Electronoobs. Using a small ...

Using an Arduino Nano board together with a 2.2 inch UART HMI display the batteries can provide up to 60w of power output.

It only applies to certain microcontrollers, but he provides example Arduino code showing how handy this can be for battery-powered projects.