Nucleo stm32 F4 01RE drivers

about this repository

- this repository caotains examples of STM32F401RE or ( NUCLEO-F401RE ) from scratch
- ( note that we are not using stm32cubeMX here ) we will use basic includes ( STM32F401xx.h which have basic adresses of different registers in our mcu ),

first BLINK

• blink.c contains description of all the code
• next coming startup file