how would i be able to use my computer like a rc transmitter with xbees
example up,right,left arrows keys= throttle/steering
and add any keys in the qwerty keyboard to any thing i want it to example "q= led off/on"
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Set up a USB connection to your arduino + Xbee; send it the data you want to send out; have the arduino receive said data and send it out via the Xbee.
Seems simple enough, yes?
Trick is getting some code that will send out keyboard presses over the USB port.
Do a search for that.
Reading in serial data and transmitting out is easy on the arduino side.