NANOVNA H - jharwinbarrozo/rotcontrol GitHub Wiki
To update firmware with USB cable only, you need to enter the DFU mode via the following procedure.
- Power off NanoVNA-H4 (4 inches LCD)
- Press down the jog switch
- Power on
- Release jog switch
Fetch source and submodule.
$ git clone https://github.com/ttrftech/NanoVNA.git
$ cd NanoVNA
$ git submodule update --init --recursive
Then, flash firmware using dfu-util via USB.
$ dfu-util -d 0483:df11 -a 0 -s 0x08000000:leave -D build/ch.bin