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Orange – Signal
Sunburn detectors
3V-5V DC Electronic Part Active Buzzer Module
Holds four AA batteries
The size of the header pins should correspond to the same of the header holes
MQ-135 Gas Sensor Module For NH3, Alcohol, benzene, smoke , CO2 Detector Module Beagle Bone Shop by Brand Orange – SignalMQ 135 gas sensor Module The MQ 135 gas sensor module is a device that is used for sensing a range of gases, including ammonia (NH3), sulfur dioxide (SO2), and carbon monoxide (CO). It is based on a metal oxide semiconductor (MOS) gas sensor, which uses a semiconductor material to detect gases. The MQ series of gas sensors utilize a small heater inside with an electrochemical sensor these sensors are sensitive to a range of gasses are used at room