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The Nintendo NES system is equal parts old school and awesome. Unfortunately, it's easy to wear down your game cartridges after years of cramming them into the game slot. Follow Ben as he builds a device that automatically loads your game cartridges for many years of Super Mario Bros. to come. How to Build an Auto-Loading Nintendo NES - Final Touches (Part 3 of 3) Ben takes apart a NES and gets to work modding the circuitry and building a new cartridge connector. Then, he sets the system up at home and plays games! Missed a step? Catch Parts 1-3 in this playlist: http://www.youtube.com/watch?v=jdzZIeemumo&list=PLwO8CTSLTkijfvhidNJvfQb3p6steRzW5 Subscribe! Stay up to date on all of Ben's projects: http://www.youtube.com/subscription_center?add_user=thebenheckshow -- Connect with The Ben Heck Show for more projects and tips Twitter: https://twitter.com/benheck Facebook: https://www.facebook.com/BenHeckShow Google+: https://plus.google.com/110420787167894433187/posts