Things You'll Need:
- Atmega8 micro controller
- Atari joystick
- Soldering gun
- Screwdriver
- Hand saw
- Box
- Glue
- 9-pin male D-sub connector
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Step 1
Download the schematics and HEX files for the micro controller from any number of websites offered by electronics hobbyists and gurus like raphnet.net.
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Step 2
Remove the screws from the base of the controller.
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Step 3
Detach the circuit-board inside the controller and turn face it up on your work surface so that the button connectors are visible.
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Step 4
Trace the connection between the input switches and pins of the IC with a circuit tester.
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Step 5
Use your soldering gun to solder connections needed for the controller to the 9-pin male D-sub connector.
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Step 6
Saw off and remove the left over portions of the new circuit board. The majority of the buttons and connectors are no longer needed.
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Step 7
Open your plastic box and place the unit inside. You may either glue it in place or just set it inside. Seal the box with the new adapter inside.













