463 Why most Arduino Soil Moisture Sensors suck (incl. solution) @AndreasSpiess
463 Why most Arduino Soil Moisture Sensors suck (incl. solution)  @AndreasSpiess
Uploaded August 2023 | Updated September 2026, 2 weeks ago
Unfortunately, most soil moisture sensors used in our Arduino, ESP8266, or ESP32 projects destroy themselves after a short while. We need a better solution.
Today we will test different sensors, and I will show you how they work and why most sensors from China destroy themselves. And, of course, we will find a solution to the problem.

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Links:
Good (capacitive) moisture sensors: https://s.click.aliexpress.com/e/_DlKIBKJ or amzn.to/3YDFBUu (use 5V for power)
Another type: https://s.click.aliexpress.com/e/_DdJLbld
Good write-up for the capacitive sensors: thecavepearlproject.org/2020/10/27/hacking-a-capacitive-soil-moisture-sensor-for-frequency-output

Check this video before you order your sensor: youtu.be/IGP38bz-K48

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463 Why most Arduino Soil Moisture Sensors suck (incl. solution)

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