| This EasterEgg antenna mod transforms a mini donut antenna into a magnetic broadband loop with improved gain and directivity. Using a simple...
More about Elektor Labs (838)
| This compact through-hole PSU design features two independently adjustable LM317-based regulated outputs, supporting both EI30 and EI42 main...
| This simple inductance meter uses an ATmega328 and LM339 to measure coil values at low cost. The design provides a practical way to estimate...
| This fuel injector control tester drives up to six gasoline injectors simultaneously for cleaning and diagnostics. A CPLD generates adjustab...
| THREE-PHASE SINE WAVE VCOThis three-phase sine wave VCO uses classic OTA devices like the RCA3080 to generate three sinusoidal outputs with...
| MeshSat is an open-source gateway that connects Meshtastic LoRa mesh networks to the Iridium satellite network. Running on a Raspberry Pi vi...
| This modular Linkwitz–Riley active crossover delivers 4th-order filtering for stereo speakers and optional mono subwoofer summing. Built aro...
| This LM723 power supply delivers 0–24 V at up to 750 mA without requiring a negative or floating auxiliary supply. Using clever configuratio...
| This MCS BASIC-52 single chip computer runs BASIC-52 v1.31 on modern CH55x 8051 microcontrollers with internal Flash and xRAM — no external...
| This SIP8 vs SOIC8 adapter bridges modern SOIC8 ICs with legacy SIP8 footprints, making it ideal for troubleshooting, breadboarding, and aud...