AQIX - ESP32-C6 SCD40 Air Quality Monitor IoT Weather Station SDK

AQIX is an ESP32-C6 (2.4GHz), based Air Quality Monitor IoT Weather Station

High Precision Digital Environmental Monitor Sensors.

The board has TWO Variants

• AQIX SCD40 (This Product)
• AQIX SCD41

https://github.com/DitroniX/AQIX-Air-Quality-Monitor-IoT-Weather-Station

Features

High Precision Digital Environmental Monitor Sensors.

The AQIX board offers the following main features:

• Espressif ESP32-C6
  • WiFi, Bluetooth, Zigbee and Thread
• Sensirion SCD40 or SCD41
  • High Accuracy CO2 Sensor
  • SCD40 - 400 to 2000 ppm, Accuracy ±50.0 ppm ±5.0 %m.v (Home)
  • SCD41 - 400 to 5000 ppm, Accuracy ±50.0 ppm ±2.5 %m.v  (Home, Office, Industry)
• Bosch BME280
  • High Precision Barometric Pressure, Relative Humidity and Temperature
  • **Barometric Pressure**  300...1100 hPa (millibar)
        -   Accuracy ±0.25%
            -   which is equivalent to 1m at 400m height change
        -   RMS Noise 0.2 Pa
            -   which is equivalent to 1.7 cm
    -   **Temperature**  -40 to 85°C
        -   Temperature coefficient offset ±1.5Pa/K.
            -   which is equivalent to ±12.6cm at 1 °C temperature change
    -   **Humidity**
        -   0 to 100 %
        -   Accuracy tolerance ±3% relative humidity
        -   Hysteresis ≤2% relative humidity
• Ambient Light Sensor
  • SFH2440, providing spectral sensitivity adapted to human eye sensitivity
  • Std. Light A; T = 2856 K Minimum 7 nA/lx
  • Spectral range of sensitivity λ10% typically 400 to 690 nm
  • Wavelength of max sensitivity λS max typically 620 nm
  • ESP32-C6 ADC provides light voltage reading
• EEPROM P24C64C
  • 64Kbit storage
  • AT24C64 64Kbit
  • On-board Data Logging
  • On-board Parameters
  • Firmware setup user parameters and configuration
• USB C
  • With UART for easy programming and development
  • Board powering during development or use.
  • Type C USB Connector
  • CH340K USB UART 2Mbps Transceiver
  • Easy programming. Select ‘ESP32C3 Dev Module’
  • BAUD rate up to 921600 to speed up Flashing
  • Serial Monitoring Debug and Remote Logging
  • Power Can Be Taken from USB 5V (when Flashing).
• FET Output
  • External Relay or Sounder.
  • GPIO or PWM
• OneWire (Dallas) Interface
  • External Sensors such as Soil Temperature Probe (DS18S20)
  • Dallas OneWire Interface for External Temperatures
• I2C Interface Display
  • OLED Display
  • PCB 4 Pin Header Connector
• I2C Interface Sensors
  • External Sensors such as Soil Monitoring
  • PCB 4 Pin Header Connector
• Buttons
  • Reset
  • User (Program or GP9 Detect)
• Battery Voltage Monitor
  • ESP32-C6 ADC provides battery voltage reading
• 3V3 LDO
  • AMS1117 LDO allowing use of external DC input 4.5V to 15V
• LED
  • RGB, Ext DC LED
• Compact Design and Easy to Use
  • Board Size63 x 51mm
  • 4 x M3 mounting holes
  • Operating Ambient Temperature -10 to +60 °
  • Optional Conformal Coating – on request.
  • Designed to fit into a Waterproof Clear Cover Enclosure

Power can be via external 5 to 15V DC, or using a CR123A 3V Lithium battery. CR123A Battery is not a rechargeable.

This board could also be powered from a Solar Panel.

Options

Clear Top Waterproof Enclosure