| This article describes a versatile Raspberry Pi RP2040–based signal generator that can be operated from a PC through an RS-232 interface. Re...
All items tagged with Circuits & Circuit Design and Test & Measurement (73)
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| A DIY square-wave source doesn’t need to be complicated. This compact 1992 design delivers 57 stable, TTL-compatible frequencies from a sing...
| This SIP8 vs SOIC8 adapter bridges modern SOIC8 ICs with legacy SIP8 footprints, making it ideal for troubleshooting, breadboarding, and aud...
| 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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| The advantages of using an adjustable DC load for power supply testing are clear: There is no need to work with a collection of different lo...
| 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...