| A DIY square-wave source doesn’t need to be complicated. This compact 1992 design delivers 57 stable, TTL-compatible frequencies from a sing...
All items tagged with Test & Measurement and Circuits Circuit Design News (58)
| Houseplants rarely die suddenly. They decline slowly, often because of inconsistent watering. If you’ve experienced this problem, check out...
| Precision picoammeter webinar: Join host Brian Tristam Williams in welcoming presenter Johannes Sturz for a practical look at ultra-low curr...
| Benchtop EMC testing gets very real when a cheap LM2596-style buck converter blows past conducted-emissions limits; this highlight shows why...
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| Keeping lithium cells or batteries in spare parts boxes isn’t very practical if you can’t verify their efficiency or actual charge capacity....
| 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...
| Build your own compact FM stereo test transmitter that generates ultra-low distortion audio and precise VHF signals using only simple CMOS l...
| In electronics, few instruments are as indispensable as the oscilloscope. Rémy Mallard’s book, Oscilloscopes Understanding and Using Them Ef...