| Although the audio spectrum ranges from 20 Hz to 20 kHz, it is sometimes advisable to narrow it at the low end to avoid issues at the beginn...
All items tagged with DIY electronics and Circuits Circuit Design News (115)
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| Using soil-moisture sensing and timed pump control, this 555-based design automates plant watering. The circuit delivers water only when the...
| This simple inductance meter uses an ATmega328 and LM339 to measure coil values at low cost. The design provides a practical way to estimate...
| 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...