Flashing Bootloader

Tools Required

Manufactured boards come WITHOUT bootloader pre-installed. You can easily flash them yourself. The tools needed include:

  • ST-Link v2 ARM JTAG Debugger

  • ARM JTAG Mini connector 1.25 mm pitch


ST Link debugger looks something like this:

You will need to connect the ST-Link pins to your SmartAP Pins.

The reference for ST Link pins:

The reference for SmartAP JTAG pins (view from top):

Your connection should look like the below:

Your autopilot and ST Link debugger should be powered via USB only.


Open STM ST Link Utility and then go to Target > Program and Verify:

Select the bootloader file to flash:

Finally, press Start

Once completed you'll see the following:

If you now see the board LEDs flashing, congratulations! Bootloader has been successfully flashed! Now you're able to install the firmware.

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