MQ-4 Methane Gas Sensor Module (Natural Gas & Coal Gas Detection)
Description
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Gas sensor module based on the MQ-4 sensor
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Detects methane, natural gas, and coal gas
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Easy-to-use module with analog and digital outputs
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Adjustable sensitivity with onboard potentiometer
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Works with Arduino, Raspberry Pi, and other microcontrollers
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Great for student projects, hobby electronics, and environmental monitoring
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