Classic Computing Shield V1.01 ------------------------------ Introduction: 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. Specification: VGA Port - 4r,4g,4b, 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 ![enter image description here][1] From：For more detail, please visit: http://www.seeedstudio.com/item_detail.html?p_id=2331 [1]: /editor/20160114/56974d108a669.png