I have a problem with the arduino nano, when this is connected to the PC by the USB cable the serial communication works fine, however when I disconnect it and feed it with a 9v battery the arduino stops sending transmission data. I am working with a bluetooth transmitter, this works well with the …

problem with the nano arduino. Help!

NattSC May 24, 2019, 1:56am 3

Yes, my battery is a rectangular panasonic brand

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