Hi, I got a problem with my arduino mini 04. When I power the board with batteries trough the +9v pin and gnd, the setup or loop does not run. It does not matter how many amps or what voltage I give it there. If I power it trough a voltage regulator to the +5v pin, it works fine. I have a led conn…

Arduino mini: setup() and loop() does not run while battery powered

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