If you encounter problems in enabling VIVE Tracker (3.0) on Unity or Unreal Engine, refer to
the following:
For Unity 3D:
o Download link for the VIVE Input Utility package: AssetStore or GitHub
o VIVE Input Utility source code repository:
https://github.com/VIVESoftware/VIVEInputUtility-Unity
For Unreal Engine 4:
o Check that you’re using Unreal Engine version 4.26 or newer.
Check the SteamVR notification to update the firmware. You can update the VIVE Tracker
(3.0) firmware by:
1. Copy the firmware binary files (including MCU, FPGA and RF) provided by HTC into the
same folder of “lighthouse_watchman_update.exe” in your PC.
2. If a VIVE controller is connected to your computer through USB, unplug it first.
3. Connect one VIVE Tracker (3.0) to your computer using the USB cable.
4. Execute the following commands:
a. Update the MCU firmware:
lighthouse_watchman_update --target=default watchman_v3.fw
b. Update the FPGA firmware:
lighthouse_watchman_update.exe --target=default ice40_hdk_xxx.fw
c. Update the RF firmware:
lighthouse_watchman_update --target=default nrf52_xxx.fw
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