It's a USB NES controller!

Begin by compiling everything, then flashing the bootloader with your programmer of choice.

# start by compiling everything
make
# set the fuse bits
make fuse
# flash the bootloader
make flash

Now you can program via a USB connection.

make flash-firmware

Based on the great work of others:

• usb: v-usb
• bootloader: micronuleus-t85
• USB NES adapter: bidouille.org
• Code and Life tutorial: codeandlife.com