Harwin Mainheader EN 728x90 April 2025
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Resistance Measurement with the Arduino

Great for testing humidity sensors

Resistance Measurement with the Arduino
Resistance Measurement with the Arduino
The starting point for this project was some newish resistive air humidity sensors, whose resistance varies in the range 1 kOhm to 10 MOhm. The datasheet states expressly that they must be measured using AC. And that’s precisely what a regular ohm meter cannot do.
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