DIY Air Quality Desktop Sensor Remixed
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DIY device to measure air quality
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- Creative Commons — Attribution — Noncommercial
This is a remix of an excellent model and writeup by @Ali_531349. My build uses most of the items from the original BOM except for the ESP32, I used a C3 Supermini. In some builds I have used the aht20_bmp280 combined sensors, these have temperature, humidity and air pressure in one unit.
https://github.com/farfromuman/airgradient_esphome/blob/main/packages/sensor_aht20_bmp280.yaml
If you use a modular approach for the ESPHome configuration by mixing packages from various repositories I have the 8 Segment led config packages here: https://github.com/farfromuman/airgradient_esphome/tree/main/packages
I used my AirGradientOne to calibrate the DIY unit. https://www.airgradient.com/shop#!/AirGradient-ONE-Indoor-Monitor-I-9PSL-Kit/p/594725501
Software derived from:
https://github.com/MallocArray/airgradient_esphome
https://gist.github.com/ali-essam/14b8ae7eaeef6f6dcfe354b749c4934b