| 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...
All items tagged with Test & Measurement and Circuits & Circuit Design (66)
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| 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...
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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...
| 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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| Build your own Variable Frequency Oscillator (VFO) with a Raspberry Pi Pico! This compact project delivers a tunable signal up to 15 MHz, en...
| Dip meters were once essential for radio amateurs, but affordable oscilloscopes have pushed them aside. That’s a shame. Some tasks are still...
| Every lab supply needs voltage and current readouts. But what if your display could do more? This microcontroller-based DC power meter shows...
| Check out the latest installment of Elektor Lab Notes. We cover some of the newest projects on our workbenches, including upcoming articles,...