A DIY CO2 air quality monitor using a 3d printed case and parts from Adafruit
More info including printing, assembly, and software installation documentation is here: https://www.prusaprinters.org/prints/121265-salud-co2-monitor
Features:
- Uses deep sleep to save power. Runs on battery for over a week. Charge with any USB-C power source.
- Support for local fresh air CO2 calibration
- Configurable settings for alarm thresholds and sleep intervals
- Uses the Sensirion SCD41 CO2 monitor
- Swap out the bmp files for your own if you don't find the cats amusing.
- 3D printed enclosure
- No soldering or coding is required