| Discover the Mostronome, a 1975 electronic metronome that reimagined musical timing with its whistle-like tone. This vintage circuit proves...
More in Circuits & Circuit Design (86)
| Do you want to power a group of lighting LEDs? Here we present a handy solution to provide extremely accurate and stable current source for...
| Monitor up to six temperature points from -240°C to +850°C with this 8051-based temperature monitor and logger. Ideal for industrial applica...
| The 2025 Elektor Circuit Special is on the horizon, and we’re looking for innovative, original circuit designs to feature! If you’ve created...
| AC-powered devices are prevalent in residential, industrial, and commercial settings. Do you want a DIY-solution for determining when a fuse...
| Check out this interesting wideband AC millivoltmeter circuit from 1990. The simple design features 12 ranges, decent accuracy, 200 µV accur...
| If you like games and DIY electronics, Elektor has a project for you. This roulette circuit features 40 LEDs controlled by a microcontroller...
| Measuring a specific point (node) in an RF circuit with a regular oscilloscope probe can disrupt the circuit's performance, even when the pr...
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| Brushed DC motors are increasingly being replaced by brushless (BLDC) and stepper motor competitors. But their use still makes sense, as the...
| Ever wondered how a solar-powered lamp powers an LED with just a single 1.2 V cell? A closer look reveals a clever single-transistor voltage...