Firmware
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H-Flow runs the . It supports firmware updates over the CAN bus and .
H-Flow boards ship with 1.15 or later firmware pre-installed, but if you want to build and flash the latest firmware yourself. See .
Firmware target: holybro_h-flow_default
Bootloader target: holybro_h-flow_canbootloader
PX4 can upgrade device firmware over DroneCAN. To upgrade the device, all you need to do is copy the firmware binary into the root directory of the flight controller's SD card and reboot.
Upon boot, the flight controller will automatically transfer the firmware onto the device and upgrade it. If successful, the firmware binary will be removed from the root directory and there will be a file named XX.bin in the /ufw directory of the SD card.