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MQ-7 MQ7 Carbon Monoxide CO Gas Sensor Module

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Our ChiOSZ Products MQ-7 MQ7 Carbon Monoxide CO Gas Sensor Module For Arduino Robots Projects NEW 1. Size:32mm X22mm X27mm 2. IC:LM393、MQ-7 Sensor 3. Work voltage:DC5V 4. Features: 1) Instructions with the signal output; 2) Analog + TTL output; 3) … Continue reading