这是一个tcp 的client 源程序,可以在单片机测试时使用.

利用PWM实现正弦波和DTMF-achieve sine wave PWM and DTMF

make mp3 by yourself

几个有用的子程序,其中包括ds1302,x5045, tlc2543和12864液晶屏的驱动-several useful routines, including ds1302, x5045, tlc2543 and 12,864 LCD driver

单片机课程设计类 单片机课程设计类-SCM SCM curriculum design, curriculum design class curriculum design class Class SCM

摩托罗拉单片机的定时器输入捕捉的原代码-Motorola MCU timer input capture the original code

用单片机实现在LED点阵上显示汉字，用C语言编写，用kile编译，再烧录在89S52上-MCU on the LED dot matrix display Chinese characters, using C language, compiler used kile, then burning on the 89S52

串口调试工具，对于调试单片机和计算机通信相当有用哈。-Serial debugging tools, for debugging single-chip computer and computer communication very useful in Kazakhstan.

MCS-51单片机实用子程序库,对十进制浮点数和二进制浮点数的相互转换子程序进行了彻底改写，提高了运算精度和可靠性-MCS-51 single-chip utility subroutine library for floating point and binary floating-point decimal mutual conversion subroutine carried out a thorough rewrite, improve the computing accuracy and reliability

LED的电路连接方法，多年经验。有很多种方法可供选择，很重要，希望大家能去持我。-circuit OF led.thank you .It s my own performation,hope you give me a great help.

LCD1602程序（EE21学习板演示程序） -LCD1602 procedures (EE21 learning demo board)