Methods to Enter DFU Mode on Flight Controller for Betaflight and iNav Firmware

Getting into DFU (System Firmware Improve) mode on a flight controller is important for flashing new firmware like Betaflight or iNav. Right here’s a step-by-step information on how one can do it utilizing CLI instructions or the boot button.

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Utilizing Boot Button

Almost all flight controllers have an onboard push button, generally known as the “Boot Button.” Holding down the boot button whereas connecting the USB cable will put the FC into DFU mode.

1. Find the Boot Button: Discover the boot button in your flight controller. It’s often small and labeled as ‘Boot’ or ‘DFU’.
2. Press and Maintain the Button: Press and maintain the boot button.
3. Connect with PC: Whereas holding the button, join the flight controller to your laptop by way of USB.
4. Launch the Button: As soon as related, you may launch the boot button. The flight controller ought to now be in DFU mode.
5. Firmware Flashing: Proceed with flashing the brand new firmware via the Betaflight or iNav Configurator.

Utilizing CLI Instructions

1. Connect with Betaflight Configurator: Plug your flight controller into the pc and open the Betaflight Configurator.
2. Open CLI Tab: Navigate to the CLI (Command Line Interface) tab within the configurator.
3. Enter DFU Command: Sort bl within the CLI and press enter. This command ought to reboot the flight controller into DFU mode. bl stands for bootloader.
4. Firmware Flashing: Your flight controller is now in DFU mode and prepared for firmware flashing.

Be aware: for iNav, the command to enter DFU mode is just dfu

Methods to Know If You Are in DFU Mode?

In case your flight controller is in DFU mode, it’s best to see “DFU” within the Ports dropdown field.

Ideas

Conclusion

Getting into DFU mode can fluctuate barely relying on the flight controller mannequin, so discuss with your particular mannequin’s guide for any further steps or variations.