Classic Computing Shield provides all of the hardware needed to recreate classic computing systems on the Papilio DUO. Here are some existing retro computing projects that can be easily converted.

• VGA Port - 4r4g4b 4096 Color 12-bit VGA Output
• 2 Stereo Audio Jacks - 1/8" Stereo jack with low pass filter is ready for CD quality Delta-Sigma audio output.
• PS/2 Ports - Two PS/2 ports accept a keyboard and mouse.
• 2 Joystick Ports - Two DB9 Male joystick ports accept Atari Commodore and classic arcade joysticks.
• MicroSD Socket - For file systems and saving and loading ROMs
• 4 Way Buttons - 4 buttons in a plus configuration for user input.
• RS232 Serial Port - For connecting peripherals that require RS232 communications.
• Detachable Wing that allows you to sacrifice the second Joystick Audio Jack and PS/2 Jack to free up a 16-bit Wing Slot

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