The PiRack is an expansion board allowing the connection of multiple IO boards to the Raspberry Pi.
This accessory board was designed to be a part of the Pi family and works with the Pi Face board and Camera module
With the ability to connect up to 4 additional boards, the plug-in PiRack allows users ultimate flexibility in their Raspberry Pi programming. Powered separately to the Raspberry Pi means that the PiRack will not affect performance. This carrier card is part of the PiFace series and can be used with most IO expansion boards that are compatible with the Raspberry Pi IO header. PiRack also enables the Pi Camera Module to be used at the same time. By taking IO expansion boards directly off the Raspberry Pi, PiRack enables the camera module to easily connect onto the Raspberry Pi using to the top mount CSI interface.
The versatility of the PiRack also makes it very suitable for use in educational purposes. The ability to work with multiple boards allows users to move from beginner to advanced projects, with endless applications.
Although as evidenced by the quality this is a beta release of the board it does work well.Took a bit to get it to work as there is no documentation supplied with the hardware. To get it to work with only the PI power supply the jumper on the left side of the mount place must be switched from the default. Also the 2 jumpers to the right must also be switched from their defaults.
The datasheet is posted on the website with the Pi Rack and gives complete operating instructions. In the future it will be packed with the board. http://www.mcmelectronics.com/product/83-15497
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Stuff came fast and was good quality. Will do business with them again.