Putting Bluetooth into the Tinytrak 4

Byonics provides a Bluetooth add-on for the Tinytrak 4. While I love the TT4 I am not a huge fan of their TT4BT Bluetooth solution. It consists of a board with 2 DB9, no case nothing to protect and makes the whole thing clunky and bulky. Almost 4 years ago I came up with my own more slick and integrated solution and have been happy with it since then.

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