There are plenty of radios you can buy that pick up MW and SW bands if that’s what you’re into. Or, you can follow [mircemk]’s example, and whip one up yourself instead. The build employs an ESP32 as ...

If you think of a metal detector, you’re probably thinking of a fairly simple device with a big coil and a piercing whine coming from a tinny speaker. [mircemk] has built a more modern adaptation.

Makerfabs has recently released “MaTouch SmartKnob Assembled” based on the SmartKnob View open-source hardware design but enclosed in a plastic case. As a reminder, the SmartKnob View is an ...

IntroductionIf you are an electronics student, hobbyist or researcher and have your own electronics lab. Then you might have many electronic instruments like multimeter, power supply, frequency ...

Each year, students in the Saint Louis University School of Science and Engineering participate in research and design capstone experiences. At the SSE Undergraduate Showcase, students present posters ...

The difference between a half step or half step Rotary Encoder type is how the data signals of the two pins are generated. It depends on the mechanical construction of the notches and contacts inside ...