threadx operating system's source code 111111111111111111111 111 111 111 1

用于C51的简单看门狗电路，易于大家调用-C51 for the simple watchdog circuit, we call easy

一个ATmel公司的AT89s系列的ISP下载器，软件用at89isp，可以从Atmel的官方网上下载！-ATmel a series of AT89s ISP download, software used at89isp, from Atmel"s official online download!

16进制to10进制输出子程序:显示数据，起始位，结束位，有无小数点-16 to10 band-band output subroutine : display data, the starting place, at the end, there decimal point

C8051F2xx的大量源程序示例代码，包括汇编和C的代码-C8051F2xx sample a large number of source code, including the compilation and C code

基于MSP43O单片机的I2C总线软件包-MSP43O based SCM package I2C Bus

c8051f020单片机以太网SRAMis62lv2568程序-C8051f020 SCM procedures Ethernet SRAMis62lv2568

keil C51 Portable事例-Portable stories

keilc51中stc芯片补丁，用于stc系列芯片的开发-STC chip in keilc51 patch for the development of STC series chip

在Protues下仿真用2片164驱动8个LED数码管-Protues simulation used in the next two 164 drives 8 LED digital tube

PWM波程序 可以用来控制电机调速，程序比较简单，这里只用了一个定时器就实现了。因为51单片机没有PWM波的寄存器，所以要自己用软件控制。-PWM waves program can be used to control motor speed, procedure is simple, here only a timer is realized. Because no PWM waves 51-series microcomputer to yourself, so with registers control software.