New Project for USB Joystick Adapter

Based on the original design from Igor Cesko ( and Paul Qureshi (, we are currently designing an USB Joystick Adapter specially suited for Atari compatible joysticks.
We stripped down everything except the Atari connector part and adding a convenient ISP connection to the board. We also stripped down the buttons to three, the maximum possible with this spec.
Here is the final schematic of it:
Source code has been slightly modified to fit this hardware:
Hope to have a prototype soon!

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