一个使用mcu制作的频率回扫超声波程序，mcu采用c51/stc等系列-The mcu production ultrasonic frequency flyback program

stc单片机的14864液晶显示屏的C51源代码-program for stc89c51 single chip

实现动态显示程序设计 用STC最小系统实现数码管和发光二极管的显示控制。 用Keil C51编程实现上述功能 用Keil与Proteus联调-Proteus simulation is used to implement digital clock Ask a stopwatch shows minutes. Support a stopwatch basic control, start, stop, reset Use Keil C51 programming to

51单片机通过HC595驱动8位数码管，用STC单片机实测可用(51 MCU drives 8 bit digital tubes through HC595)