| This article covers an extended, symmetrical version of an adjustable DC load. The design is suitable, for example, for testing the typicall...
More about DIY electronics (309)
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| Build Your Own Coffee Roaster shows how to create a DIY coffee roaster using a Raspberry Pi, standard components, and open-source software.
| Elektor and eeNews Europe ended 2025 on a high note, recording significant audience growth across their websites and YouTube channels. These...
| Measuring dynamic currents with an oscilloscope is challenging, but this updated differential current probe makes it simple and affordable....
| Most PC “mic” inputs are pretty average for noise and distortion, and they’re usually mono. Plus, they can’t properly take balanced, pro mic...
| Elektor TV delivered a breakout year in 2025, generating 5.9 million views while rapidly expanding its global engineering audience through h...
| This ESP32 drone guide shows how to use esp-fc firmware to configure an ESP32 flight controller in Betaflight and fly with a radio controlle...
| Make your analog breadboard experiments instantly audible with Elektor’s first analog T-board, featuring a compact class-D amplifier, DC/DC...
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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...