| For many years, television sets were not equipped with a real on/off switch. This circuit completely disconnects the TV from the mains via r...
More in Circuits & Circuit Design (107)
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| How were engineers charging Li-ion batteries before today's highly integrated charger modules? Back in 2007, Elektor published a compact MAX...
| CoffeeCaller is an open-hardware nRF52840 platform that shows the practical work behind reproducible embedded hardware. In this Elektor Engi...
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| Can a genuinely useful new circuit configuration still be created for an IC that has already been used hundreds of billions of times over th...
| Can a handful of transistors outperform a microcontroller? This acoustic sensor delivers reliable, fail-safe sound detection and shows how e...
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| 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...
| Build an advanced DIY Tesla Coil Plasma Rife Machine that transmits frequencies wirelessly through glowing plasma energy. Inspired by the or...
| Using soil-moisture sensing and timed pump control, this 555-based design automates plant watering. The circuit delivers water only when the...
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| High-frequency circuits have different demands than low-frequency designs like audio. Standard prototyping boards fall short for RF due to t...
| The T-Reg high-voltage regulator circuit delivers clean, stable power for tube amps. Supporting output voltages up to 500 V, you can use the...