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Originally Posted by zachriggle
Is it possible to not only transmit data through the joystick port, but to also receive it? I understand that this may not (most likely will not, I think I remember reading something along those lines) be allowed during the competition, but it would help immensely for debugging purposes.
My reason for asking is that I want a diagnostic system that will work when the FRC isn't hooked up directly via parallel port, and can't afford (the Team can't) to shell out $100+ on a wireless radio set for the RS232 port.
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The short answer is no. The four Joystick ports on the OI are inputs to the OI only (with the exception of a small amount of +5 volts coming out of the OI to read the joystick potentiometers).
The Dashboard port is exactly what you are looking for, however.
Don