after stm32L072 went to silicon shortage , I changed the pcb design, now used only E5 module as main MCU and Radio module . For this I developed native firmware for stm32WL chip .
so far I achieved sleeping current consumption 18uA, working current consumption 36mA.
I used nordic power profile kit 2 to measure the consumption precisely.
finishing the hardware and software tests, moving to field tests. Loko coming very soon.
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