keil c51在编译的时候会将0xfd的字符(有些汉字含该字符的内码)过滤, 而导致程序出错.特别是在做液晶汉字显示时. 针对这个bug.由网友编写了这个补丁...

软件中包含了Cypress的SL811 USB接口芯片的固件程序以及如何51单片机进行操作的例子，并且有Linux下的驱动程序，阅读并借鉴这个程序就可以做出支持USB HOST的系统了。-software includes the Cypress SL811 USB interface chip firmware procedures and how to 5 a microprocessor operating examples, as well as Linux drivers, read and learn from this procedure can make USB HOST support of the system.

好实用的好东东，快下呀！--Infrared ray communication design based on SCM.

MEGA16 串口收发数据，采用中断方式，给大家一个参考-MEGA16 serial send and receive data, using interrupt mode, give you a reference

这个SP2358外扩串口芯片的C语言源程序。非好好用。-Extend outside the SP2358 chip serial C language source code. Non-properly used.

用单片机不同的IO口驱动数码管，以解决IO口不是一个PO口的问题。-Microcontroller IO port with a different drive digital tube, to address the IO port is not a PO mouth problem.

Proteus环境下DAC0832数模转换程序与电路.-Proteus environment DAC0832 digital-to-analog conversion process and the circuit.

STC12C5410AD 系列和STC12C2052AD 系列单片机EEPROM/IAP 功能测试程序演示 本演示程序在STC-ISP Ver 3.0A.PCB 的下载编程工具上测试通过,EEPROM 的数据在P1口上显示 本程序根据宏晶科技提供的演示程序改编，是本人学习C51的学习笔记，供有需要的同仁参考 -STC12C5410AD series and STC12C2052AD Series MCU EEPROM/IAP function test procedure in the presentation of the demo program STC-ISP Ver 3.0A.PCB download programming tools on the test, EEPROM data in the P1 I show this program in accordance with the provision of macro crystalline technology demo program adaptation, learning my C51 study notes, for there is a need to refer to the Tongren

一种比较好用得PWM控制芯片，希望对您有所帮助。-Was a relatively easy to use PWM control chip, want to help you.

在8位单片机中对16位数进行开方运算的汇编子程序-In 8-bit MCU in the median of 16 for the compilation of prescription computing subroutine

这是一个关于PWM调光的程序，二极管等渐灭和渐亮-This is a program on the PWM dimming, diodes, etc., and getting brighter gradually eliminate