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A FT-232 USB to serial board is used to program the Arduino. A standard Bluetooth module has to have HID firmware installed. [Dastardly] makes a homemade daughterboard–er, shield–to connect ...
If you haven’t heard of CHDK, it’s a pretty cool software modification for ... SoftwareSerial is used to connect to the Bluetooth module. The Arduino code has built-in functionality for ...