Gadget Reboot

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BOLIVIA
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Francisco Meza

UNITED STATES OF AMERICA
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Description

NES / SNES Controller Button Signal Breakout Board

Connect an NES or SNES gamepad controller to this PCB and it will continually read the button states from the gamepad's internal 4021 shift register (clocked by an ATTiny26L on this PCB).

The button states are decoded and sent out to dedicated GPIO pins.

The gamepad can then be used as a controller for other projects.

Example: The NES gamepad "up" direction is pressed, the PCB "Up" pin goes low. The button is released, the "Up" pin goes high.

The ATTiny26L is programmed from the Arduino IDE using the ATTinyCore board file (version 2 or later needed).

NES and SNES 7 pin controller sockets are available on AliExpress to make adapter cables to plug into the PCB.

Code

NES and SNES Demo Sketches

https://github.com/GadgetReboot/S_NES_Controller_Breakout/tree/main

Schematic and Layout

Design Files

https://github.com/GadgetReboot/S_NES_Controller_Breakout/tree/main

Download Gerbers Download BOM(Bill of materials)

Jun 15,2023

1,313 views

NES / SNES Controller Button Signal Breakout Board

Decode all buttons from a NES or SNES game pad using an ATTiny, providing dedicated output pins for each button state.

1313

Published: Jun 15,2023

Download Gerber file 8

BOM(Bill of materials)

Centroid file

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