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Originally Posted by nehalita
also, everyone speaks about a "dongle" and i saw the picture and everything. but what exactly IS it?  |
The Operator Interface (
OI) has a 15-pin
Competition Port connector in the middle of the top. Pins on that connector are used when running on a competition field to enable or disable the robot, select the radio modem frequency, and control autonomous mode. The field also supplies power to the
OI through that port.
Teams are permitted to connect to four specific pins on the Competition Port, in order to 1) enable additional frequencies for practicing with multiple robots, 2) activate autonomous mode for testing, and 3) disable the robot. Most teams build a box with two or three switches that connects to the port. That box is called a
dongle. The
Competition Port Pinout Guide shows how to construct one.