Hi, I'm having a slight problem. My Arduino UNO gets warm at the part number 3. It only heats up when it is connected to a power supply but if it's not connected it works fine. I change to a new arduino board and that that part it gets warm like a laptop warm. I have to run the arduino for 1 month. …

Arduino UNO Board Heats Up

safiraraffi October 28, 2021, 1:58am 7

the usb is connected to the raspberry pi. and i also connect to the external power supply

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