Mq-7 Mq7 Carbon Monoxide Co Gas Alarm Sensor Detection Module for Arduino

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Has better sensitive detection for carbon monoxide. Suitable for the detection of carbon monoxide, gas, etc. Module Size: 30×19×15mm/1.18 0.74 0.59". Module features DO Output: 0.1-5V. AO Output: 0.1-0.3V.
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