| Before trusting that bargain-bin power adapter, make sure it’s not packing surprises. This DIY AC power adapter tester quickly identifies vo...
More about Test & Measurement (417)
| Discover how a Raspberry Pi, a DDS module, and an ADC come together to form a powerful DIY RF sweep generator for RF testing. This compact s...
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| Most continuity testers are very simple and therefore have simple capabilities. This design, however, is unique in several ways. Firstly, it...
| Join Elektor and Baltic Lab for a hands-on webinar exploring the fundamentals of Electromagnetic Compatibility (EMC). Learn how to test cond...
| Need to weigh bikes, luggage, or bulky gear? These DIY wireless scales use ESP32 and HX711 modules to send real-time weights to a receiver f...
| Need a reliable calibration source? Our featured circuit delivers precise voltages from -10 V to +10 V (20 µV steps) and currents up to 40 m...
| Build your own compact FM stereo test transmitter that generates ultra-low distortion audio and precise VHF signals using only simple CMOS l...
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| Shannon’s sampling theorem states that a signal of frequency f can be fully captured by sampling at 2f. Modern PC sound cards support rates...
| Check out this rugged, battery-powered infrared trail counter that logs entries and exits to SD card. The counter is designed for low power...
| Your circuit works, but is it compliant? In the following video, we dive into electromagnetic compliance (EMC) basics: radiated emissions, c...