inside, the iBrella consists of a pic microcontroller, an accelerometer,
hall-effect sensors and an ultra expensive (!) gyroscope.
all these sensors collect input data from the handling user and send
these to the PIC microcontroller that in turn spawns commands for the
iPod that get transmitted simply by using the pic's uart option.
a very difficult task was to gather information about the iPod mini
2nd generation protocol.
also, a lot of wire/cable work had to be done: the main component
cable has been assembled by using a standard remote cable and a
mini mic port+cable.
software-wise, the task was to detect interactions by certain sensor
inputs, so a c-program was written to calibrate the iBrella to its wearer
and to detect certain physical movements.
iPod protocol commands are then sent accordingly.
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