Moving to native firmware on LoRa E5 ( stm32WL)

A project log for Loko-the Tiniest GPS tracker with 270 days battery

Loko is the 12 gram GPS tracker with extreme battery life.

Akio SatoAkio Sato 05/20/2022 at 12:340 Comments

Because of silicon shortage I cannot find STM32L072 chip that I used on last prototype,  I decided to remove the secondary MCU and develop native firmware on stm32WL chip ( Lora-E5)