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A comment on Infineon's CO2 Sensor Monitors Indoor Air Quality.

Re:Infineon's CO2 Sensor Monitors Indoor Air Quality by babl-yc on Saturday September 21, 2024 @05:55PM (#41612927)
Seems similar to the SCD40 photoacoustic approach.

I used that for an open-source CO2 monitor I designed:

https://bitclock.io/

https://github.com/goat-hill/bitclock

[ Parent | on HN ]
Re:Infineon's CO2 Sensor Monitors Indoor Air Quality by ahaucnx on Saturday September 21, 2024 @10:02PM (#41614111)
Great project, lovely design and super cool that it's also open source hardware.

We at AirGradient open sourced our monitors around 2 years ago and this has been the best decision for our company.

[ Parent | on HN ]
Re:Infineon's CO2 Sensor Monitors Indoor Air Quality by nonninz on Monday September 23, 2024 @06:37AM (#41624524)
Great project, thank you!

BTW Your "Advanced ESP32 development with ESP-IDF" guide [1] is the best "getting started" guide I've seen so far. Up to now no guide has been so clear and complete, and I've spent one week being very frustrated by how confusing the official ones are.

So thank you again. You made me rekindle the spark of creativeness that got buried by age and daily grind.

[1] https://bitclock.io/blog/esp-idf-vscode

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Re:Infineon's CO2 Sensor Monitors Indoor Air Quality by babl-yc on Sunday September 29, 2024 @02:54PM (#41689510)
Glad to hear! I spent a bunch of time on that post so I was hoping someone would read it :) Good luck with your projects
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