DIY Atari Multi Cart with 16 games!?!

Found a fun project online and thought I'd show everyone. I did loose a few minutes of footage from a bad SD Card, but was able recover most of it.

Enjoy..
Here are the dip switch settings... If you would like a copy of the excel sheet I made, email me at jdpdoingstuff@gmail.com

GAME SWITCH POSITION
1 2 3 4
Game Off Off Off Off
Game Off Off Off On
Game Off Off On On
Game Off On Off Off
Game Off On Off On
Game Off On On Off
Game Off On On On
Game On Off Off Off
Game On Off Off On
Game On Off On Off
Game On Off On On
Game On On Off Off
Game On On Off On
Game On On On Off
Game On On On On
Game Off Off On Off