| The Elektor Circuit Special 2026 is here with a fresh collection of practical circuits and hands-on electronics projects. Explore designs in...
More in Circuits & Circuit Design (131)
| Want a fun way to observe the enormous electric fields generated by approaching thunderstorms? First published in Elektor in June 2003, this...
| In April 2000, Elektor presented a Voice Shifter project to demonstrate how a handful of analog building blocks can dramatically alter speec...
| System check! Elektor wants to know how much money you spend each month on electronics. And, if you had an extra €500, what would you spend...
€5 (FREE for Members)
| Microcontrollers such as the Arduino Nano are ideal for simple measurements, such as recording diode characteristic curves. Using TestLab on...
| Before smart cameras, wireless sensors, and connected security systems became commonplace, protecting a room could be as simple as a laser b...
| Long before SDRs became commonplace, this sophisticated FM exciter demonstrated how to generate precision wideband transmissions in the 430–...
€5 (FREE for Members)
| Can an ESP32 detect people without cameras or motion sensors? Discover how Wi-Fi signal disturbances, CSI, and smart DSP enable real-time oc...
| Run two RS232 terminals in parallel on a single serial host — no power supply, no null-modem cable. A diode matrix isolates both transmit li...
| A handful of CMOS logic chips is all it takes to build this versatile warning alarm. Discover a classic 1980 Elektor design that monitors se...