- M5Stack
- MicroSD Card (To store image files. It's quite small.)
- 1x15 Pin header
- Some short cables
- MHZ19-B CO2 Sensor
Place the all files under the SD directory to the microSD card.
MIT License Copyright (c) 2018 Tobias Schürg
The included MHZ CO2 sensor library is based on tobiasschuerg/MH-Z-CO2-Sensors and modified to suitable for M5Stack/ESP32.