You will need: An Arduino Duemilanove (other boards will probably work, but you will have to adjust the steps for your device) Working NES Console Super Mario Bros. (Note: this must be only the single game, not the two- or three-in-one cartridge) A controller you can cut the cord from Two LEDs (two different colors are recommended but not required) 2x ~390 ohm resistors 3x 1.6k ohm resistors 3x 3.
![NESBot: Arduino Powered Robot Beating Super Mario Bros for the NES](https://cdn-ak-scissors.b.st-hatena.com/image/square/817c4bcb715a581fad28fa62d97a8122c902f78d/height=288;version=1;width=512/https%3A%2F%2Fcontent.instructables.com%2FFRQ%2F23SH%2FGJQE9JY3%2FFRQ23SHGJQE9JY3.jpg%3Fauto%3Dwebp%26frame%3D1%26width%3D2100)