stm32F407开发例程，开发环境为MDK，合适初学者学习，包括跑马灯、ADC、DAC等一系列程序，很适合快速入门与提高，代码可以修改后直接应用于工程-directly applied stm32F407 development of routines, development environment for MDK, suitable for beginners to learn, including marquees, ADC, DAC and a series of procedure

跑马灯，用stm32f407实现的跑马灯程序。(The marquee, using stm32f407 to achieve marquee program.)