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MQ-8 Hydrogen Gas Sensor Circuit Built with an Arduino

MQ-8 Hydrogen Gas Sensor Circuit Built with an Arduino

Hydrogen; The resistance of the sensor is different depending on the type of the gas. The smoke sensor has a built-in potentiometer that allows you to adjust the sensor sensitivity according to how accurate you want to detect gas. ... Here is how to use the YL-39 + YL-69 soil humidity sensor with any Arduino.

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