We earn commissions from purchases you make using links in our articles. Learn more. Anyone who works on their car should have a multimeter, but they come in handy around the house too. Whether you ...

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Having a solid multimeter is imperative for various types of work but it's not always necessary to have a massively expensive one if your readings are not a life-or-death situation, be it figuratively ...

This digital thermometer circuit diagram uses a common 1N4148 diode as the temperature sensor. The temperature coefficient of the diode, -2 mV/°C is exploited for this application to create an ...