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This I2C complaint IC permits a maximum of 8 devices to share a common 2 wire bus
Interfacing Soil Moisture Sensor with Arduino
You can also connect the Digital and Analog Output pins with a microcontroller like Arduino to built measure and monitor the soil moisture sensor and build interesting projects
Operating Voltage: 2
all in one in a single microcontroller unit
MQ-135 Air Quality Gas Sensor Module M30 This I2C complaint IC permitsThe 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
