LoRaWAN Air Pollution Monitoring

Specification

• PM2.5, PM10 based pollution Detection,

• CO2 level monitoring for traffic density.

• Auto path clearance for Ambulance and fire brigade based on RF communication to traffic light via Mobile/Web application

MCU Specification

• SX1262+STM8L152 integrated.

• Frequency Range: 865MHz ~ 867MHz.

• Maximum Power +21dBm constant RF output.

• High sensitivity: down to -140dBm.

• Deepsleep mode current with RTC: 2uA.

• TX mode current @17dBm: 50mA, @14dBm: 40mA.

• RX mode current: 10mA.

• Programmable bit rate up to 62.5kbps

• Preamble detection.

• Embedded memories (up to 64k bytes of Flash memory and 4k bytes of SRAM, 2k bytes of EEPROM).

• 16-MHz Harvard architecture CPU.

• 4-Channel DMA engine.

• Embedded 12-bit 1Msps SAR ADC.

• Embedded

• 2×12-bit DAC.

• Embedded 2x low power comparators.

• 96-bit unique Chip ID.

• 32.768kHz External Watch Crystal Oscillator.

• 1-16MHz External Crystal Oscillator for MCU (Optional).

• 32MHz External Crystal Oscillator

• Inbuilt 10A Relay for Controlling windows Blinds (Window Blinds Included)

• Operating Voltage (VDC): 3 ~ 5

• Analog to Digital Converter: Build-in 16-bit

PM Sensor Specification:

• Sampling Object: PM1.0, PM2.5, PM10 Concentration

• Range: 0-1000ug/m3

• Accuracy: +/-3%FS25deg cel

• Supply: 5/12/24V DC

• Power Consumption: <50mA@24V

• Warmup time: 3min

• Response Time: <90s

• Shell material: ABS

• Operating Temp: -20 to +50 deg cel

CO2 Sensor Specification:

• Range: 0-5000ppm, 0-10000ppm

• Accuracy: +/-50ppm+2%rdg @25deg cel

• Supply: 5/12/24VDC

• Power Consumption: <0.25w

• Warm Up Time: 3 min

• Response Time: <20S

• Temperature Drift: <=0.2%FS/deg cel

• Stability: <+/-40ppm/year

• Repeatability: <+/-1%fs

• Operating Temperature: -20 to +60 deg cel @15-80%RH

• Storage:-40 to -70 deg cel @20-90%RH

• Shell Material: ABS