| Check out this rugged, battery-powered infrared trail counter that logs entries and exits to SD card. The counter is designed for low power...
All items tagged with Elektor Labs and Test & Measurement (39)
| 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...
| This compact, cloud-connected Redox meter uses an ESP32, OLED display, and ORP sensor to precisely monitor your pool’s water quality. With m...
| Turn your Raspberry Pi Pico into a basic characteristic curve recorder! Using minimal additional circuits, this project measures and visuali...
| Explore how an Arduino R4 Minima can be used to develop a Multichannel Analyzer (MCA) for high-energy radiation detection. This project enab...
| Build an audio function generator with a Raspberry Pi Pico, a few resistors, and operational amplifiers. The project supports sine, sawtooth...