使用430的四系调试继电器，内置有时钟函数，函数简单，值得一看-The four lines debugging using 430 relay, built-in clock function, the function is simple, eye-catcher

在keile5下编译的程序，利用STM32F407最小系统做了一个通过红外遥控控制继电器通断，从而实现无线控制台灯的开关（继电器接上台灯）-Under the keile5 compilation procedures, using STM32F407 minimum system made a through infrared remote control relay on and off, so as to realize the switch of wireless control des