haker
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Maker Notes

Microcontroller Boards

TTGO
Features LoRa
Modules SPX1276
Links MicrocontrollersLab

Sensors

PMSA003I
Sensor particle concentration
Max Current 100mA
I2C Address 0x12
Links https://learn.adafruit.com/pmsa003i
CCS811
Sensor VOC, eCO2
Max Current 30mA
I2C Address 0x5A (or 0x5B)
Notes If provided external temperature and humidity, it can compensate for accuracy.
SCD-40
Sensor CO2, temperature, humidity
Max Current 17mA
I2C Address 0x62

Displays

SSD1306
Type Monochrome OLED
Resolution 128x64 or 128x32
Connection I2C (0x3C or 0x3D)

Communication

SPX1276
Type LoRa