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This is a part of: https://dustsensor.net/

Links to the parts contain Banggood's affilate metadata.

Intro

I needed a PM2.5/PM10 sensor during this winter season. I wanted to monitor more than one room and did not want to buy multiple expensive devices.

This is an eclosure designed to fit 3 devices:

  1. a PM2.5/PM10 dust sensor
  2. a Wemos ESP8266-based board with an OLED display
  3. a digital humidity and temperature sensor

Parts

  • Wemos NodeMCU with an OLED display The brain of this project. Provides processing, connectivity and instant data feed on the display. Buy Wemos with a display

  • Nova SDS011 The main sensor used to measure PM2.5 and PM10 Buy SDS011

  • DHT22 (AM2302) Additional sensor to measure humidity and temperature Buy DHT22

  • 4x longer M3x20 screws to hold the main case plates together Buy M3x20

  • 4x shorter M3x8 screws to mount the Wemos board Buy M3x8

Assembly

  1. Print the parts
  2. Connect SDS011 to Wemos board
  3. Connect DHT22 to Wemos board
  4. Use 4x shorter screws to mount the Wemos board to the front plate
  5. Use 4x longer screws to keep front and back plate together
  6. Flash Wemos board with ESPEasy
  7. Configure devices in ESPeasy

Summary

When fully assembled, it should be compete with the retail products as:

Please feel free to propose improvements

https://github.com/wojked/dust-sensor

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