uno rev3 16u2 firmware flashing with dfu-programmer

Oh boy.

Installation:

  • In Terminal navigate to your dfu_programmer_install directory.

Not /Users/adamrolph/Desktop/DFU/dfu_programmer_install/dfu-programmer but /Users/adamrolph/Desktop/DFU/dfu_programmer_install

This means type 'cd /Users/adamrolph/Desktop/DFU/dfu_programmer_install'

  • Type: ./install_dfu_programmer.sh
    Type DOT SLASH install_dfu_programmer.sh

  • This executes the install.

  • You will be prompted for your password. Type in your password.

  • If the install is sucessful you should see the dfu-programmer
    manual

  • press ‘q’ to exit the manual.

Try to start the program:
/usr/local/bin/dfu-programmer

See if the output contains 'atmega16u2'