Testing a diesel engine generator's coolant temperature sensor is done to make sure it's working correctly and making sure it's measuring the engine's coolant temperature accurately. As it helps ...

"How many volts above freezing is it?" A multimeter is the most common item of test equipment used by elec- tronic hobbyists. This is with good reason, considering how useful it is, but, of course, ...

[Rajendra] tipped us off to this really slick hack he’s done to allow his multimeter to tell the ambient temperature. He’s basically measuring the output of an LM35 temp sensor that he has mounted in ...