| Build your own Variable Frequency Oscillator (VFO) with a Raspberry Pi Pico! This compact project delivers a tunable signal up to 15 MHz, en...
More about Circuits & Circuit Design (367)
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| Dip meters were once essential for radio amateurs, but affordable oscilloscopes have pushed them aside. That’s a shame. Some tasks are still...
| Fill any room with high-quality sound using the compact, energy-efficient Card Sound audio player. With micro SD storage and I²C/RS-485 cont...
| Can Europe build a resilient electronics supply chain? Watch how focus and adaptability are its major strengths in this Elektor Engineering...
| Every lab supply needs voltage and current readouts. But what if your display could do more? This microcontroller-based DC power meter shows...
| Looking for more projects? Vist Elektor's "Circuits & Circuit Design" page and download the free Elektor Circuit Special 2025 bonus edition....
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| LED dice are everywhere, but their glow feels cold and clinical. This electronic die breaks the mold, using warm neon lamps to display each...
| Discover clever circuits in this new edition of Elektor Lab Talk, packed with real-world electronics projects from the Elektor team. In this...
| Back in 1977, for most people, if you weren’t home to hear a ringing phone, the moment was gone forever. Unless, that is, you built Elektor’...
| ESP32 microcontrollers, known for their versatility in IoT and smart home projects, also support digital audio via their I2S interface. In t...