Components Main Compute Units Odroid N2+ XIAO ESP32 S3 Arduino Nano 33 BLE Sensor Modules DFRobot SEN0463 Ozone Sensor GPS Module Network Modules Network Switch (4 port) LoRaWAN Gateway Power Modules 12V 3A AC to DC Power Supply 5V 5A AC to DC Power Supply Solid State Relay 4 Channel