This sensor uses I2C to communicate. And I2C instance is required to access to the sensor. The API provides simple distance measure, single swipe gesture detection, directional (left/right) swipe ...

K30 CO2 sensor module I2C Library This is an Arduino Library for K30 CO2 NDIR module from Senseair. The sensor module is connected to Arduino using I2C. The sensor module is powered by an external ...