The MikroElektronika Ammonia Click is an Ammonia detection (NH3) sensor, based on the MQ-137 gas sensor. This gas sensor has a sensitive layer made of SnO2, which changes its resistance when exposed to ammonia. The sensor is able to sense NH3 concentration in the range of 5 ppm to 200 ppm. Interface GPIO, SPI, Analog
Compatibility microbus
Click board size L (57.15 x 25.4 mm)
Input Voltage 3.3V or 5V