to add your own board on any STM32F4XX you should compltete thease steps: * give a name for your board - eg. yourboard_F4 * make directory "yourboard_F4" in folder 'boards' * copy all files from folder of most likely board (eg. revomini_Revolution) to this folder * open board.c and adjust PIN_MAP[] array to your CPU usage * change in "board.h" pin definitions. see pin number in PIN_MAP array * check settings in board.h * check settings in target-config.mk * check PLL setup in system_stm32f4xx.c * compile as "make f4light BOARD=yourboard_F4"