Mikroe HVAC Click features the Sensirion SCD41 next-generation miniature CO2 sensor. The sensor is a carbon dioxide sensor built on the photoacoustic sensing principle, and Sensirion’s patented PASens® and CMOSens® technology. It offers high accuracy at a minor form factor. On-chip signal compensation is realized with the build-in humidity and temperature sensor. It operates within a specified range from 400 to 5’000ppm, configurable through the I2C interface with a single shot mode supported.