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Study co2 chart. Hovers around 900 until rising to 1200 between 9 am and 10 (when I opened the window) dropping sharply to 600 and declining to 500 by 3pm when I shut the window it climbs to 800 but only climbs slightly until 6 and 7 when it climbs sharply to nearly 1400 (when someone was in the room next to it) 2 minutes ago it was reading 1268ppm

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Study co2 chart. Hovers around 900 until rising to 1200 between 9 am and 10 (when I opened the window) dropping sharply to 600 and declining to 500 by 3pm when I shut the window it climbs to 800 but only climbs slightly until 6 and 7 when it climbs sharply to nearly 1400 (when someone was in the room next to it) 2 minutes ago it was reading 1268ppm
https://mastodon.radio/system/media_attachments/files/112/237/832/740/638/475/original/0f29f6aeb65ce42d.png

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Christopher M0YNG (m0yng@mastodon.radio)'s status on Wednesday, 10-Apr-2024 00:47:30 JST Christopher M0YNG
in reply to

@guysoft @g7vkq the IKEA thing has helpful breakout pads for power and data so you can easily add an esp8266. I use esphome which knows how to talk to both sensors. The co2 is an scd41.
It all sort of shoves into the case with some hot glue.
Sends data to home assistant, both pm25 and co2 plus temperature and humidity.

In conversation about 8 months ago from mastodon.radio permalink