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Operating Voltage: 2
This I2C complaint IC permits a maximum of 8 devices to share a common 2 wire bus
Fast Response time
Interfacing Soil Moisture Sensor with Arduino
MQ-135 Air Quality Gas Sensor Module M30 Operating Voltage: 2The MQ 135 Gas sensor can detect gases like Ammonia (NH3), sulfur (S), Benzene (C6H6), CO2, and other harmful gases and smoke. Similar to other MQ series gas sensor, this sensor also has a digital and analog output pin. When the level of these gases go beyond a threshold limit in the air the digital pin goes high. This threshold value can be set by using the on board potentiometer. The analog output pin, outputs an analog voltage which can be used to
