| This simple inductance meter uses an ATmega328 and LM339 to measure coil values at low cost. The design provides a practical way to estimate...
All items tagged with Circuits Circuit Design News and DIY electronics (113)
| System check! Elektor wants to know: Are open-source tools catching up with the big players in PCB design? How does KiCad stack up against p...
| What happens when a classic Nixie clock design runs out of I/O? This GPS-synchronized Nixie clock project shows how smart component choices...
| It's refreshing to revisit circuits that solve real problems with just a few parts and some smart thinking. This simple 4093-based audio pea...
| A DIY square-wave source doesn’t need to be complicated. This compact 1992 design delivers 57 stable, TTL-compatible frequencies from a sing...
| In the mid-1970s, seat belt safety was only beginning to receive serious attention. In 1976, Elektor introduced a clever seat belt reminder...
| Houseplants rarely die suddenly. They decline slowly, often because of inconsistent watering. If you’ve experienced this problem, check out...
| Ready to solder? This audio series delivers easy-to-build DIY circuits, beginner-friendly components, just enough electronics theory, and lo...
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| This article covers an extended, symmetrical version of an adjustable DC load. The design is suitable, for example, for testing the typicall...
| Measuring dynamic currents with an oscilloscope is challenging, but this updated differential current probe makes it simple and affordable....