Hi, Accidently, I have damaged my Arduino Nano 3.0 board by shortcutting Vin and GND pins (because of bad soldering). Now the board can only be powered by USB. As I should use an external power supply, I tried to fix the problem. According to the schematic, this board uses an UA78M05 (U3) as a vol…

Arduino Nano Voltage Regulator Problem

system January 3, 2013, 9:06am 4

OK, I have found it. It is a pack of resistors, which has the part number: YC164-JR-07680RL and is indicated with 102 on the board. I would check it as well.

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Arduino Nano Voltage Regulator Problem

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