We made our own Arduino board with the ATMEGA32U4 microcontroller and currently struggle with flashing the bootloader. There is no ISP pinout, just the USB connection. Our setup contains the board plugged in the USB port. We tried to flash the microcontroller over USB via the command-line tool DFU…

Error writing memory data on ATmega32U4 via DFU programmer

stevech February 23, 2016, 10:08pm 2

code compiled and linked for wrong base address?

code too large?