Device description

📝 Specifications

• Electronics
• Microcontroller
  • Arduino Nano 33 BLE Sense Rev2
• Sensors
  • PM/VOC
  • CO2
  • Temperature
  • Ambient relative humidity
• I/O
  • Power switch
• Comunication
  • NB-IoT module (SIM7020G)
• Others
  • 2-layer custom PCB
  • RTC
  • 900mAh Lithium-ion battery
  • 5V@1A AC-DC adapter
• Mechanics
• 3D-printed case
• Developed in SOLIDWORKS® 2020
• Firmware
• Sends the data to a server containing 10 minutes average measurements of all sensors via the NB-IoT module.
• Developed in Arduino IDE