| Keeping lithium cells or batteries in spare parts boxes isn’t very practical if you can’t verify their efficiency or actual charge capacity....
All items tagged with Test & Measurement and Test Measurement News (119)
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| A CRT test pattern generator built around an ESP32 board makes it easy to check old TVs quickly, without hauling a console or other bulky ge...
| This episode of Elektor Engineering Insights focuses on bench-level techniques for evaluating audio amplifier performance using an oscillosc...
| A blast from the Elektor archives: this clever 1998 battery tester uses a simple LED display to reveal a battery’s true condition under load...
| Before trusting that bargain-bin power adapter, make sure it’s not packing surprises. This DIY AC power adapter tester quickly identifies vo...
| 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...
| Join Elektor and Baltic Lab for a hands-on webinar exploring the fundamentals of Electromagnetic Compatibility (EMC). Learn how to test cond...
| 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...