AirquaLLity-esphome

Air-quality sensor (CO2, particulate matter, ...) in a nice 3D printed package with LED bar visualization. Using ESPHome, compatible with HomeAssitant.

Images

Features

• Wi-Fi
• RGB LED bar for quick visual air-quality indication
• HomeAssistant compatible

Sensors:

• Accurate CO2 using dual NDIR sensor (SCD30)
• Particulate matter (<10µm, <2.5µm, <1µm)
• Temperature
• Humidity
• Illumination (amount of light)
• VOC (Volatile organic compound) sensor
• NOx sensor

How to build

Manufactury files available, see schematic/jlcpcb. They can assemble most of the bord, however you'll need to solder at least CO2 sensor & particulate matter sensor yourself.

Firmware

See https://esphome.io/guides/getting_started_command_line.html

• set your Wi-Fi credentials in firmware\secrets.yaml
• go to firmware directory
• Run: esphome run llairquality.yaml

License

See LICENSE