频率计c语言程序（原创），可测范围在10hz～2Mhz

AT89C2051时钟程序 -AT89C2051 clock procedures

IC卡购电软件实现，可以参考代码的源程序-IC card software realize the purchase of electricity, you can reference the source code

微机原理8254与8255设计的手动跟自动的路灯控制系统-8254 8255

贪心算法实现活动安排问题-greedy algorithm activities arrangements

MCS51汇编语言，加、减、乘、开平方子程序，经实际应用检验，绝无问题-MCS51 assembly language, add, subtract, multiply, square root subroutine, by the practical application of testing, no problem

用89C51串行口外接CD4094移位寄存器扩展8位并行口，8位并行口的每位都接一个发光二极管，要求发光二极管从左到右以一定延迟轮流显示，并不断循环。-Using 89C51 external serial port expansion CD4094 shift register 8-bit parallel port, 8-bit parallel port of each one, all light-emitting diodes, light emitting diodes require a certain delay in rotation from left to right shows, and continue the cycle.

8051对时钟芯片DS1302和液晶LCD1602的控制，在LCD上显示时间，当前的时间。-8051 pairs of clock chip DS1302 and LCD1602 LCD control, in the LCD display time, the current time.

HT6221摇控代码，可用于红外等多种摇控器-HT6221 remote code, can be used for infrared remote control devices, etc.

北京邮电大学 全套汇编与接口课件（ppt版，共十章） 很完整也很实用，希望对大家有帮助 -Complete compilation of Beijing University of Posts and interface Courseware (ppt version, a total of 10 chapters) is very complete and very useful, want to help everyone

RS232中断通信-RS232 communication disruption