ID=4: Outdoor PM2.5 Module

Module ID

• ID = 4

Sensors

• Particulate Matter (PM2.5, PM10) = Honeywell HPMA115S0-XXX
• Temperature & humidity = Sensirion SHTC1
• Barometric pressure = ST LPS22HB

Hardware

• Power = solar energy harvesting (BQ25570), accumulator 1 x 18650 Li-Ion
• Vsupply = 5V (PM2.5) and 1.8V (T&H, pressure)
• Schematic = click here

Firmware

• Resource keyword for cloud
• ADC settings (battery voltage)