21 Apr '13, 7pm

Drop-in pcb makes Nintendo Four Score a USB joystick

The Nintendo Four Score was a controller attachment for the original Nintendo Entertainment System which allowed you to use four controllers at one time. [Simon Inns] wanted to use some original NES controllers on his computer so he developed a drop-in replacement board that converts the device to USB . As we’ve seen with other NES controller hacks, the hardware uses a simple parallel to serial shift register to deliver key-presses to the console. This means that reading four controllers at a time is no different than shifting in data to a microcontroller from the four different sources. The remaining portion of the problem is providing a USB connection that enumerates the device as a joystick. We’ve seen a bunch of USB projects from [Simon] so it’s no surprise that he was able to pull it off. He went with the ATmega16U2 which has built-in support for USB. [Simon] wrote th...

Full article: http://hackaday.com/2013/04/21/drop-in-pcb-makes-nintendo...

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