MQ Gas Sensors Modules
Features: Size: 32X20X22mm/1.25*0.78*0.86” The main chip: MQ135 gas sensing probe Operating voltage: DC 5V Power (current) : 150mA DO Output:…
The Grove - Gas Sensor(MQ2) module is useful for gas leakage detecting(in home and industry).
This alcohol sensor is suitable for detecting alcohol concentration on your breath, just like your common breathalyzer.
For home, carbon monoxide detection.Suitable for carbon monoxide and gas detection.