the datasheet of stm32f4 which is based on the core cortex-m4

The STM32F429 Discovery helps you to discover the high-performance microcontrollers of the STM32 F4 series and to develop your applications easily. It offers everything required for beginners and experienced users to get started quickly. Based on

基于STM32F4的四轴航拍飞行器_论文,很详细希望有帮助。-Four axis _ aerial vehicle based on STM32F4

基于STM32F4库函数写的Modbus协议,支持01,03,05,06,15,16功能码.(STM32F4 library function based on the Modbus protocol written in support of 01,03,05,06,15,16 function code.)