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5pcs MQ-9 Carbon Monoxide Flammable CO Gas Sensor Module Shield Liquefied Electronic Detector Module for
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Analog CO/Combustible Gas Sensor(MQ9) Environment Sensors :Elecrow bazaar, Make your making Electronic modules projects easy
![MQ-9 Carbon Monoxide Combustible Gas Sensor ADC121C 12-Bit ADC I2C Mini Module - IoT Devices & Sensors | Relay Controllers, Current Monitoring & Vibration Sensors MQ-9 Carbon Monoxide Combustible Gas Sensor ADC121C 12-Bit ADC I2C Mini Module - IoT Devices & Sensors | Relay Controllers, Current Monitoring & Vibration Sensors](https://media.ncd.io/sites/2/20170721151104/ADC121C_I2CGAS_MQ9_C_2.png)
MQ-9 Carbon Monoxide Combustible Gas Sensor ADC121C 12-Bit ADC I2C Mini Module - IoT Devices & Sensors | Relay Controllers, Current Monitoring & Vibration Sensors
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