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Air Quality Sensor using ESP32 with sensors SPS30, BME680 and OLED SSH1106 output + DashBoard WebServer + Logging to ThingSpeak

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ESP32_SPS30_DashBoard

ESP32 with sensors SPS30, BME680 and OLED SSH1106 output + DashBoard WebServer + Logging to ThingSpeak

Required Arduino Libraries

  • Add Arduino_ESP32_SPS30 library to arduino/libraries/
  • via Arduino Library Manager:
    • Adafruit Unified Sensors
    • Adafruit BME680
    • u8g2
  • via Arduino Board Manager
    • ESP32

Hardware / Pins

  • SPS30 - pins 16 , 17 ( 5V , GND )
    • UART TX -> IO #16
    • UART RX -> IO #17
    • 5V
    • GND
  • SSH1106 - pins:
    • GND
    • 5V (VCC)
    • CLK -> IO #18
      • Clock
    • MOSI -> IO #23
      • Master Out Slave In (the data line).
    • RES -> IO #32
      • This is not actually an SPI Pin and can be set to any pin.
      • Reset
    • DC -> IO #33
      • This is not actually an SPI Pin and can be set to any pin.
      • Data Command
    • CS -> IO #5
      • This is not actually an SPI Pin and can be set to any pin.
      • Cable Select
  • BME680
    • 21
    • 22
    • 3V
    • GND

Terms

PM = Particle Mass (μg/m³)(micrograms per cubic meter)

NC = Number Concentration (#/cm³)(count per cubic centimeter)

Science and Guidelines on Air Quality

The World Health Organization recommends limiting particulate matter to the following values:

  • Annual average PM10 20 µg/m³
  • Annual average PM2.5 10 µg/m³ per year
  • Daily average PM10 50 µg/m³ without permitted days on which exceeding is possible.
  • Daily average PM2.5 25 µg/m³ without permitted days on which exceeding is possible

see also: Air Quality Index

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Air Quality Sensor using ESP32 with sensors SPS30, BME680 and OLED SSH1106 output + DashBoard WebServer + Logging to ThingSpeak

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