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Is it possible to flash STM32 Nucleo board then power it with a battery and use it in an application without connecting it to PC?

LMoha.1
Associate II

‎2020-05-13 5:27 AM

Is it possible to flash STM32 Nucleo board then power it with a battery and use it in an application without connecting it to PC?

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TDK
Guru

‎2020-05-13 5:41 AM

Sure. The board doesn't care what is powering it. Probably needs to be connected to a PC to flash it.

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LMoha.1
Associate II
In response to TDK

‎2020-05-13 5:45 AM

Yes but i flashed a small program of blinking the green led of the Nucleo via ST link Utility! but nothing happened ! i can't see the led blinking, however i can see blinking with debug mode (via STM32CubeIDE) !

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TDK
Guru

‎2020-05-13 6:13 AM

How exactly are you powering the board? There are guidelines in the user manual for valid power configurations. The ST-Link chip could be holding the other one in reset if not done correctly.

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