This fully featured message board can also read CO2, temperature, and humidity readings from a STCC4 and SHT41 sensor connected to STEMMA QT port on the Feather ESP32-S3. These readings run along the top of the screen next to the battery level with an estimated runtime.

The board decodes messages using Adafruit CircuitPython MeshFruit, a library written for this project. It is receive only. The board listens to the mesh but never transmits, so it will not appear in anyone's node list.