| A blast from the Elektor archives: this clever 1998 battery tester uses a simple LED display to reveal a battery’s true condition under load...
All items tagged with Circuits & Circuit Design and DIY electronics (109)
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| The dynamic compression of audio signals is important for reducing signal peaks to avoid saturation of the output signal. The circuit presen...
| Discover how a two-terminal dimmer design offers efficient, precise control of LEDs, lamps, and heating elements without extra wiring. Pulse...
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| This versatile project provides flexible and dynamic signal distortion as a sound effect for synthesizers and guitars. A chain of saturating...
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| This year’s Elektor Christmas gadget brings together blinking lights, multilingual cheer, and a healthy dose of PCB ingenuity. Say hello to...
| Most multimeters struggle with accurately measuring very low resistances, but this DIY milliohm meter fills that gap. Designed to measure fr...
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| In audio circuits, virtual grounds offer an innovative alternative to switching signal lines. Instead of routing signals through a switch, t...
| Elektor DIY electronics projects don’t just invite readers to build — they spark innovation. Take the Mini Reflow Plate from 2023. Hans Schn...
| Need a compact solar power regulation module for low-consumption systems? This solar cell voltage regulator is designed to sit between a sol...
| Build your own compact FM stereo test transmitter that generates ultra-low distortion audio and precise VHF signals using only simple CMOS l...