Fairdell hexcmp21/15/2024 Burn the bootloader: avrdude -v -v -v -v -p atmega2560 -c usbasp -P usb –U flash:w:stk500boot_v2_mega2560.hex:i –U lock:w:0x0F:m.Set the fuses: avrdude -v -v -v -v -p atmega2560 -c usbasp -P usb -e –U lock:w:0x3F:m –U efuse:w:0xFD:m –U hfuse:w:0xD8:m –U lfuse:w:0xFF:m.Re-burning the bootloader using avrdude CLI Repeating the process and re-burning the bootloader using Arduino 1.0 IDE- Same error Here’s the error:Īvrdude: stk500_2_ReceiveMessage(): timeout The result is a board that times-out when I attempt to program it via the USB port (COM3 in my case) and when the board is reset it does not blink the pin 13 LED. please check for usbasp firmware update.Īvrdude: verification error, first mismatch at byte 0xe000Īvrdude: verification error content mismatch I was trying to ensure I could restore my boardloader when I needed too.Īfter around three minutes the error displayed is:Īvrdude: warning: cannot set sck period. So I connected up a cheap USBasp programmer to the ICSP socket nearest to the mega2560 on the board and in the Arduino 1.0 IDE selected the board (Tools -> Board -> Ardunio Mega 2560 or Mega ADK), then the programmer (Tools -> Programmer -> USBasp) and then hit Tools -> Burn Bootloader. ![]() I was trying to learn about the bootloader and altering it to make the board appear as a HID device. ![]() Well I did something stupid and managed to make my Arduino Mega 2560 Rev 3 unusable.
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