A standard electret microphone can detect sub-audio "sounds" when some simple equalization circuitry is added.

RT200 battery internal resistance tester leagend leagend RT200, a highly precise internal resistance tester engineere ...

Vishay Intertechnology, Inc. has introduced a new AEC-Q200 qualified thick film power resistor in the compact, low profile ...

We’ve seen tons of projects lately using the ESP32-C3, and for good reason. The microcontroller has a lot to offer, and the current crop of tiny dev boards sporting it make adding a lot of ...