Detect PM2.5 Concentration in the air

PMS3003 or PMS5003 is a sensor of air quality, it can detect the concentration of those 0.3 to 10 micrometer particulate matters in the air.

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The PMS3003 or PMS5003 sensor detects the concentration value of PM 1.0, PM 2.5, PM 10. Take PM 2.5 for example, it stands for the fine particles with a diameter of 2.5 micrometers or less.

Ameba RTL8722DM is a low-power dual-band WLAN and Bluetooth Low Energy SoC by Realtek. The RTL8722DM also include memory for Wi-Fi protocol functions and application making it simple for anyone to develop various kind of IoT applications. At the same time it has a wide range of peripheral interfaces. With all these interfaces, it can connect to most of the electronics components like LEDs, temperature and humidity sensors, and so on.

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If you need additional technical documents or the source code for this project. Please visit the official websites and join the Facebook group and forum.

  • 1 × RTL8722DM_MINI
  • 1 × PMS3003/PMS5003

  • 1

    Open the example in “File” -> “Examples” -> “AmebaSoftwareSerial” -> “PMS3003_AirQuality”

    Connect up the air sensor to RTL8722DM_MINI:

  • 2
    Final Result

    Compile the code and upload it to Ameba. After pressing the Reset button, Ameba starts to output the PM 2.5 data to serial monitor.

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