
MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Smoke Detection liquefied Methane Gas Sensor Module for Arduino (9pcs)
Amazon Price as of 03/06/2025 04:40 GMT+00:00
$15.88
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Product Description
MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Smoke Detection liquefied methane Gas Sensor Module for Arduino (9pcs)
• VCC: Connect to the positive 5V of the power supply
• GND: connect to the negative pole of the power supply
• DO: TTL switch signal output
• AO: analog signal output
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