As the battery levels decrease, these LEDs will change to yellow and then red. A green Robot or Joystick LED indicates that their respective batteries are fully charged batteries. Once the units are linked, the Robot and Joystick LED Indicators will show the battery levels in their respective unit. It usually takes 5 to 10 seconds to successfully establish a link. The VEXnet light is the only LED that determines a valid link. The VEXnet LED will be blinking fast green on both the Microcontroller and Joystick. Disconnect the 7.2V Robot Battery from the Microcontroller of 14Ĥ VEX ARM Cortex -based Microcontroller and VEXnet Joystick User Guide f. Disconnect the USB A-A Cable from both units. Once the units have finished pairing, turn OFF the Microcontroller. Pairing may take up to one minute to complete. Disregard the other LEDs as you are only interested in the VEXnet LED. The Solid Green VEXnet LED must remain ON both units at the same time for a minimum of 5 seconds. A successful tether is indicated by a Solid Green VEXnet LED on both the Joystick and the Microcontroller (See Figure Below). Connect the 7.2V Robot Battery to the Microcontroller. Connect the Microcontroller to the Joystick using a USB A-A Cable. Start with the Microcontroller and Joystick turned OFF. During the Pairing Process, the ID from the VEX ARM Cortex -based Microcontroller is transferred to the Joystick, thus mating the two units together. A Joystick can only communicate with the Microcontroller that it has been paired with. This process must be completed each time you use a Joystick or Microcontroller with a new mate. Pairing requires a USB A-A Cable and a VEX 7.2V Battery. The Joystick must first be paired to the VEX ARM Cortex -based Microcontroller before they will work using VEXnet Keys. VEX ARM Cortex -based Microcontroller and VEXnet Joystick Pairing Procedure: a.
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