Check that the bootloader is flashed onto the card (see README.md into XXXXX). Connect the card via USB. Launch minicom pointing to the USB UART (USART2 on the board, see bootloader source code).

This is my own little wiki on how to build a custom Bootloader for STM32 F446 Series of Microcontroller. This repo contains usefull links to other smart distributors on git-hub and youtube. How to ...

Users of the newly announced Nexus 10 tablet will now be able to flash custom ROMs, kernels and modifications on their device by unlocking the bootloader. Those looking to flash such modifications can ...