TO DO List

Device

add button to enable/disable screen

Sketch

add button management to enable/disable screen
implement deep sleep mode see
move most code to *.h files
LoRa: keep track of latest counter value in EEPROM
LoRa: switch from OTA to OTAA when connecting to TTN

Documentation

document TTN application configuration

Final product

select battery type and capacity
solder components on PCB