Carbon Monoxide & Flammable Gas Sensor MQ-9 + Sensor Carrier

This semiconductor gas sensor detects the presence of Carbon Monoxide at concentrations from 10 to 10,000 ppm and combustible gas from 100 to 10,000 ppm. The sensor’s simple analog voltage interface requires only one analog input pin from your microcontroller.

Shipping list: 1 x Carbon Monoxide & Flammable Gas Sensor MQ-9, 1 x MQ Gas Sensor Carrier