| This simple inductance meter uses an ATmega328 and LM339 to measure coil values at low cost. The design provides a practical way to estimate...
All items tagged with Test & Measurement and Elektor Labs (43)
| 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...
| This SIP8 vs SOIC8 adapter bridges modern SOIC8 ICs with legacy SIP8 footprints, making it ideal for troubleshooting, breadboarding, and aud...
| Check out this rugged, battery-powered infrared trail counter that logs entries and exits to SD card. The counter is designed for low power...
| Check out this faster, smoother Super Servo Tester built on the RP2040. Test up to four servos or a quadcopter mixer with precision, manual...
| Explore how a simple aluminum rod becomes a high-Q mechanical oscillator using contactless inductive eddy current coupling. This educational...
| Explore semiconductor characteristics with a DIY curve tracer powered by Raspberry Pi Pico and an ILI9341 touchscreen. This compact instrume...
| This test board lets you evaluate audio opamps and various resistor types under identical conditions. Now with support for Through-Hole and...
| ESP32's ADC suffers from poor response at low voltages, causing non-linearity. This project introduces a summing amplifier circuit to linear...