A multimeter is an easy prospect, right? Back in the day you could make one fairly easily with a decent panel meter and a set of precision resistors, and now a digital one can be had for throwaway ...

A popular purchase from the usual stockists of imported electronic modules is a digital panel meter. A very small amount of money secures a module with a seven-segment display that you can stick ...

We'll start with how to test voltage with your multimeter. Unplug the dryer and remove the access panel where the power cord enters the machine, loosening the cord's strain-relief clamp if necessary.