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Firmware

VEX EDR Firmware Updates

VEXnet devices contain internal processors and run on special software called Firmware (or Master Code). Firmware is updated periodically to provide additional functionality or fix bugs. To fully unlock the potential of VEX Robotics VEXnet devices, it's important to ensure that all applicable drivers are installed and firmware is updated. This page should help you get your new system up to spec, or return a device to its default/factory state for a "clean slate."

For information on changes between firmware versions, visit the VEX EDR Firmware Changelog.

Update PC Drivers

These drivers allow your computer to communicate with the VEX ARM® Cortex®-based Microcontroller over a direct USB connection or wirelessly with the VEXnet Joystick and a Programming Hardware Kit.

VEXnet Serial USB Driver
(zip, 11-01-11)
If your kit is newer than June 2012, use this driver.
The VEXnet v3.0 and newer firmware allows your PC to communicate using a new Serial Link with VEXnet products. The serial communication link requires this Driver to be installed on your PC. This driver is also required if you have the orange and gray programming dongle or the Programming Hardware Kit from June 2012 onwards.
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Update Firmware on VEX ARM® Cortex®-based Microcontroller, VEXnet Joystick, and VEXnet Key 2.0

VEXnet Firmware Upgrade Utility v4.1.7
(zip, 3-05-15)
(updates to VEXnet Firmware v4.25)
(includes Windows 8 compatibility)

The VEXnet Key 2.0 requires VEXnet Firmware v4.0 or higher on the VEX ARM® Cortex®-based Microcontroller and VEXnet Joystick.
The VEXnet Firmware Upgrade Utility overwrites the Master Code on the VEX ARM® Cortex®-based Microcontroller or a VEXnet Joystick to the latest version. Versions 3.0 or higher require a VEX Serial USB Driver installed on your PC (see the section Update PC Drivers above). This ZIP file includes the Upgrade Utility and instructions.
Note: the Upgrade Utility will overwrite any User Code in the Cortex Microcontroller with Default Code. Be sure to back up any custom User Code before updating.

VEXnet Key 2.0 Firmware
Upgrade Utility

v3.0
(zip, 11-04-14)

VEXnet Firmware 4.23 (for Cortex Microcontroller and VEXnet Joystick) requires VEXnet Key 2.0 firmware 1.46
Unlike the first generation VEXnet USB Key, the VEXnet Key 2.0 supports its own internal firmware updates to ensure continued system improvements. Use this utility to upgrade the firmware on a VEXnet Key 2.0. This zip includes the utility, instructions and Windows 8 Driver instructions.

Legacy Components

PIC Microcontroller

Visit the PIC Microcontroller Downloads page for information on how to restore a PIC Microcontroller to its factory state.

VEXnet Upgrade (v1.5) Users (discontinued)

Visit the VEXnet Upgrade Software Downloads page.

MPLAB Users (not supported)

Visit the MPLAB Software Downloads page.

Windows XP Prolific USB Driver
(zip, 12-08-06)
Windows XP Prolific USB Driver for USB to Serial Cable; part of the VEX Programming Hardware Kit from before June 2012.
Windows 7 Prolific USB Driver
(zip, 12-08-06)
Windows 7 Prolific USB Driver for USB to Serial Cable; part of the VEX Programming Hardware Kit from before June 2012.
Prolific USB Driver 3.2.0.0
(zip, 10-02-13)
Windows 8 Prolific USB Driver for USB to Serial Cable, part of the VEX Programming Hardware Kit from before June 2012.
Note: To use the old style programming cable on Windows 8, follow these instructions.