C51 LCD1602 4线并口通信源程序

单片机 Keil＋proteus 并行口设计数字键盘实验 要求：掌握动态显示、动态扫描键盘的工作原理及硬、软件的设计、调试方法 掌握80C51接口硬件电路设计方法及软件编程方法 了解80C51外部中断的使用和编程方法 实验题目：并行口实现数字0~9、A~F、L、U、P、n总共20个键盘，将按键的结果用7段数码管显示出来。-Parallel Port numeric keypad test requirements: master the dynamic display, dynamic scan the keyboard works and the hardware and software design, debugging the means to acquire 80C51 interface hardware circuit design methods and software programming approach to understanding the 80C51 external interrupts use and programming methods Experimental subjects: parallel port for digital 0 ~ 9, A ~ F, L, U, P, n total of 20 keyboard, the result will be keys to use 7-segment digital tube display.

数字温度传感器ds18b20的精简c语言程序-digital temperature sensor ds18b20 streamlining c Language Program

320*240LCD液晶显示器，C51编程，内有已调试好的软件-320* 240LCD LCD, C51 programming, which has had good software debugging

lcd240128的驱动，包括汉字显示功能 和protues画的模拟图 单片机用得atmega16-lcd240128

PIC上实现的I2C通讯源程序，使用IO口模拟I2C总线时序来实现的。-PIC achieve I2C communications source, I use IO I2C bus timing simulation to achieve.

TLC2543实时时钟芯片的读取程序，采用AVR单片机读取，并附上芯片的Datasheet。-TLC2543 real-time clock chip reader, using AVR read, accompanied Chip Datasheet.

Proteus与AVR应用实例,对初学者很有帮助。-Proteus with the AVR application examples, very helpful for beginners.

DS12C887实时时钟winbond接口程序-DS12C887 real-time clock interface procedures winbond

zlg7289在51上的应用程序。经调试通过。-zlg7289 in 51 applications. After debugging through.