@Lars-Flikkeid said in Arduino Dock fried. Is it possible to repair?: @György-Farkas Also it seems that the atmega is just connected to the 3,3V and not the 5V, and maybe it therefore was protected since it never was in direct contact with 12V. All power pins of the ATmege328P-AU (VCC pin 4, pin 6 and AVCC pin18 of the 32-pin TQFP package) are connected to +5V (ie VIN, USB VBUS) on Arduino Dock 2.