c语言编程的8位密码锁，用Protues进行仿真，效果不错

本人上传的是 单片机 蜂鸣器奏乐(生日快乐).asm 源代码 -I uploaded is the single-chip buzzer music (happy birthday). Asm source code

用汇编语言编写的超声波测距控制源程序采用AT89S51,12ＭＨz晶振 -Prepared by using assembly language source code control using ultrasonic ranging AT89S51, 12MHz crystal

51单片机扩展64K以上数据存储区的源码。 已经过测试-51 Single-chip extended data storage area for more than 64K of source code. Has been tested

ds1302 + nokia5110的显示程序,以及ad 测量电压的程序， 以及定时器 键盘扫描. 以及L9110的 输入输出 关系. 以及eeprom的 读写. -ds1302+ nokia5110 display procedures, and ad measurement of voltage, procedures, and the keyboard scan timer. as well as the L9110 of the input-output relationship. as well as the read and write eeprom.

单片机的键盘矩阵程序，用c语言编写的。绝对的正确，经过机子调试过的。-SCM procedures keyboard matrix, with c language. Absolutely correct, after testing machine before.

TLC5615的10位AD转换程序,C调用汇编-TLC5615 10-bit AD conversion process, C call compilation

51单片机操作串行通信LCD LM3037的源代码,该源代码可用来调试程序.-51 Single-chip serial communication operation LCD LM3037

LM128*64液晶驱动程序，有显示图形，汉字，画线等功能 -LM128* 64 LCD driver, has display graphics, characters, painting lines and other functions

单片机模拟I2C总线及AT24C01应用实例-Single-chip simulation of I2C Bus and AT24C01 Application

中断调用程序，介绍单片机中断调用的方法，及示例程序。-Call interrupt procedures, introduce single-chip interrupt call methods and sample programs.