Hi, I'm using the following: ATMega328P MCU + ATMega8U2 USB Controller Compatible to Arduino UNO 2011 Key Features: ATmega328 Microcontroller Bootloader installed, ready to upload programs (sketches) from Arduino IDE (software) Flash Memory 32 KB EEPROM 1 KB I have tried on both Windows XP …

Upload okay but nothing is happening

nickgammon September 14, 2012, 7:37am 11

Do you have any wires connected to the Uno, apart from the USB cable, when doing this?

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