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Only Sensor (5, 4, 8-AQ, and 2-TH): The only DIY home automation sensor you'll ever need (lemmy-ui.nowsci.com:33443)
submitted 7 months ago by fmstrat@lemmy.nowsci.com to c/homeassistant@lemmy.world
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Hey all,

A couple of weeks ago I posted my 3D printable pegboard organizers, and today I’m releasing the Only Sensor line of home automation sensors.

Fully free and open, complete with wiring diagrams, cases, component bill of materials, and instructions for assembly.

You source and build them yourself, with acquisition costs ranging from $2-$35 to build, and options for:

  • mmWave presence
  • PIR motion detection
  • Temperature
  • Humidity
  • LUX
  • PM <10µm AQI
  • PM <2.5µm AQI
  • PM <1µm AQI
  • NOX
  • VOC

All integrate with Home Assistant via ESPHome.

All the details can be found at: https://nowsci.com/only-sensor/

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[-] billwashere@lemmy.world 23 points 7 months ago

If anyone like me is wondering what:

  • PM <10µm AQI
  • PM <2.5µm AQI
  • PM <1µm AQI

…means it’s air quality. These measurements are referring to different sizes of particulate matter (PM) and their corresponding Air Quality Index (AQI) value

[-] fmstrat@lemmy.nowsci.com 11 points 7 months ago

Yup! The ESPHome config also converts these into a standard AQI that you're used to seeing.

this post was submitted on 24 Dec 2024
363 points (97.1% liked)

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