Of course, you don’t have to have a scope to do this. You can use a voltmeter and an ammeter, but it is very straightforward if you have a four-channel scope with a pair of current probes.

With this guide, you'll learn the ins and outs of troubleshooting your home and household electronics using a handy multimeter.

Each voltmeter is also augmented with RGB LEDs that change color from green to red as use increases as well. The project’s creator, [Corebb], also notes that the gauges will bounce around if the ...

Voltage is measured in volts, V, with a voltmeter. Voltmeters are always connected in parallel. This is because it is measuring the difference in energy between the two points it is connected across.