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Battery issue

Question asked by pierre marsot on Jun 5, 2018

Hi everyone,

 

I'm working on B-L072Z-LRWAN1 lora discovery kit and i have an issue.

 

I'm able to upload my program on STM32 and it run when the STM is plug in on USB STLINK.

 

My issue is when i want run my STM on 3AAA battery. 

I just have the LD7 LED and my program (send data with LoRa) seems to not working ...

 

Have you an idea ?

 

Thanks

 

PS : i use the EndNode Cube default project 

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