Quantity   Component name
1 × RN2903 Primary LoRa Radio
1 × ESP32 Handling WiFi/BLE
1 × LTC4121-4.2 Li-Ion solar charge controller
1 × ISL91127 3.3V switching regulator (I understand 1.8v now)
1 × CP2102N USB -> UART for development
1 × WS25Q16 ESP32 external flash