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Topic: Code is running with USB ( in IDE) but not running with battery power. (Read 291 times) previous topic - next topic

technokraft

Hi,

I am using Arduino uno with gsm shield.

my sketch code is running fine with USB (in IDE serial monitor ) but NOT running in standalone , when powered by battery.  Please help.

sterretje

What type of battery? How is it wired? To 5V or to Vin or to the barrel jack or ...
If you understand an example, use it.
If you don't understand an example, don't use it.

Electronics engineer by trade, software engineer by profession. Trying to get back into electronics after 15 years absence.

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