The SCD4x CO₂ gadget is a simple reference design circuit board which demonstrates the outstanding performance and ease of use of Sensirion’s SCD4x CO₂ sensor product line.
It is equipped with a LED indicating the indoor air quality based on the measured CO₂ concentration. It also incorporates a Bluetooth Low Energy module allowing it to communicate with Bluetooth SMART capable devices like smartphones. Power is supplied via standard USB interface. More detailed information about the SCD4x CO₂ gadget can be found in the SCD4x CO₂ gadget user guide.