Firmware runs on a built-in 8051 MCU of DM5680 which is the Baseband chip of VTX.
It works on all VTXs, including VTX Whoop, VTX Whoop Lite, VTX Race V1, VTX Race V2, VTX Freestyle.
- Recommended build environment is Visual Studio Code
- Install PlatformIO IDE extension in Visual Studio Code
- Build source inside of PlatformIO (ctrl + alt + b)
- Navigate to
.pio\build\{vtx model}
- Copy HDZERO_TX.bin to root of VRX SD Card
- Follow normal flashing proceedure
Please do not arbitrarily modify the data in use in the EEPROM, that may make your VTX not work.