| PIR-controlled presence detection solutions are popular, but they don't detect stationary bodies. This DIY radar-controlled project is a han...
All items tagged with Circuits Circuit Design News and Circuits & Circuit Design (202)
| Designers encountering challenges with testing equipment via the OBD vehicle diagnostic port often face limitations. The MiniSim OBD simulat...
| Check out the latest installment of Elektor Lab Notes. We cover some of the latest projects we are working on, including the ESP32 Energy Me...
| Would you like to construct your own sound effects unit? Check out this circuit from 2010, which was built around an innovative effects chip...
| Do you need an isolated connection to an oscilloscope? You can buy a solution, or you can DIY! If you are thinking about the latter, check o...
| Building a solution to test both DIP switches and bar/individual LEDs is fairly straightforward. All you need are 10 resistors, 10 red LEDs...
| Thermostats are everywhere — in refrigerators, freezers, on walls, and in cars — yet rarely found on a desk. There are times when a desk-mou...
| Just about every control process can be handled elegantly with a microcontroller — even generating infrared signals. Sometimes there’s an ev...
€5 (FREE for Members)
| This handy transistor tester allows you to quickly test the function of an NPN/PNP transistor, JFET or (V)MOSFET and identify the correct le...
| When your attention is occupied elsewhere, it can be hard to watch a display. Wouldn’t it would be a great idea if you could keep track of a...