⚠️ Note: This fork has been modified to work with the Arduino Mega2560 rev3 with an Arduino Ethernet Shield (which includes an SD card reader). Keep in mind, on the Mega, the hardware SS pin, 53, is ...

[Frank] has a Ultimaker2 and wanted to install a new bootloader for the microcontroller without having physical access to the circuitry. That means installing a new bootloader for the ATMega2560 ...

The bootloader looks for byte in eeprom at address 0x1FF: -if it is set to 0xF0 bootloader will look for a bin file on the sdcard named firmware.bin and use it to flash the firmware then reset the ...