Multimeters are a vital part of any electronics project, but learning how to use one isn't as simple as it looks. Thankfully, the above video from Adafruit walks you through pretty much everything ...

Yellow multimeter set to measure current in amps Calculating Expected Values Using Ohm’s Law (V=ꞮR), you can calculate the expected values for voltage, current, and resistance in a circuit.

This month Randy shows us the ins and outs of using a Multimeter to help diagnose Jeep electrical problems. Only in Jp Magazine!