Edimax Airbox

1

1

The case of Edimax Airbox is easy to open. This is one clear benefit when the device needed to be service

2

2

the PM2.5 sensor can be pulled out by removing two small screws

3

3

PMS5003, a older sister of PMS7003, is PM2.5 sensor. PMS5003 is thicker.

4

4

Airbox is a completed PM2.5 device. Its main chip is ESP32 Dev Board from Espressif

5

5

Two micro USB onboad, one used for supplying power. Another is for debugging (can only accessed after moving out of the case)

6

6

temperature and humidity sensor showing on the small blue breakout board (far left)