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as the title suggest the project is about making a "interrupted" magnetic card reader with an external ultra small Bluetooth module , we need two things
1. interrupted magnetic card reader
2.ultra small external Bluetooth module
the very idea of using external Bluetooth module is to make the complete set configurable to the end user requirement, there should be a provision to connect the Bluetooth module to the magnetic card reader to download the data to computer via Bluetooth
reference for magnetic card reader is http://www.cardreaderfactory.com/shop/msrv010.html
reference for Bluetooth is http://www.f1-media.com/pdf/f1c23_brief.pdf
the above Bluetooth module is surface mountable but its small, so need a better idea to integrate it with magnetic card reader, we don't want this Bluetooth module in the same pcb which will increase its depth and size, we loose the advantage, so need better idea