![]() connect the flightcontroller through USB,.(note : does not work if the board has a betaflight bootloader) (note2: if this does not work with betaflight configurator, cleanflight configurator may work better) Updating The Bootloader Using GCS Advance to the next step to OnlineHelp: Uploader Plugin. This means that the bootloader is running, but that there is no valid autopilot firmware. The blue LED should begin slowly pulsing. You can check that the bootloader was successfully written by unplugging and replugging the USB cable. If you're working in windows, in the installation folder of dRonin, you'll find a subdirectory called firmware, with the above mentioned ef_xxxxxxx.hex file. You can flash ef_xxxxxxx.hex (eg: ef_revolution.hex for a revolution flight controller) from the dRonin firmware folder using the beta/cleanflight configurator. (note : does not work if the board already has a dRonin bootloader) ![]() The number one reason you would want to upgrade the bootloader is when upgrading from betaflight to dRonin! Updating The Bootloader Using Betaflight configurator From time to time the bootloader may need to be updated to allow more flash space for firmware etc. The bootloader is what allows you to upgrade your firmware at any time.
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