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A comment on Air Quality Monitors from USD 169 to 6.000 use the same low-cost PM Modules. Parent comment

Re:Air Quality Monitors from USD 169 to 6.000 use the same l... by M3t0r on Tuesday September 26, 2023 @12:01PM (#37661303)
I got an AirGradient like 2 years ago and was very disappointed with the quality of the firmware. I wrote my own with Arduino which was good enough for ~2 years. But last week I found out about ESPHome, and they have a blueprint https://devices.esphome.io/devices/AirGradient-DIY that just works. My (slightly) customized version: https://gist.github.com/M3t0r/b81ce82796a2ec30f5470f1345f9ca...

Whatever you think of the openness or quality of the firmware, the hardware is open enough to just flash your own.

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