张三叔

Capacitive Soil Moisture Sensor (Low Frequency)

 
Overview

The board thickness is 1mm. When the humidity is 0, the frequency is about 5KHZ, and when it is 100%, it is about 500HZ. It is recommended that Arduino developers use the for statement and pulseIn function to measure multiple times and average the average pulse width to get the average pulse width, and use the map function to convert it to humidity.

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Update:2025-07-17 01:44:03

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