一个简单的利用查表法的反正切和正、余弦函数，在处理速度不快的单片机编程中，这是一个使用的方法。...

单片机入门教程.rar-SCM Portal Guide. Rar

In-system Programming with C51 MCU and External Flash

单片机驱动标准PC机键盘的C51程序-Microprocessor standard PC keyboard C51 procedures

uip源代码（for 8/16位单片机）-East source code (for 8/16-bit microcontroller)

这是费浙平在《单片机与嵌入式系统应用》上连载的六篇文章，非常经典。-Zhejiang-fee "microcontroller and embedded system applications," a series of six articles, very classic.

用proteus仿真的数字电压表 有8051单片机和adc0809以及4位数码管实现-Proteus simulation with digital voltage meter 8051 and has adc0809 as well as four digital tube realize

频率可调 占空比可调 AVR 程序 程序可用 请放心用-Adjustable frequency adjustable duty cycle procedures AVR procedures available Please be assured by

用 Hitex 工具软件开发　stm32 的例子-Hitex tool for software development with examples stm32

常用串行EEPROM的编程应用，SPI总线(Serial Peripheral Interface串行外围设备接口总线)是三线式的串行总线，是由摩托罗拉公司所研发，使用三线进行数据传输，分别是SCK时钟引脚，SI数据输入引脚和SO数据输出引脚。-Commonly used application of serial EEPROM programming, SPI bus (Serial Peripheral Interface Serial Peripheral Interface Bus) is a three wire serial bus is developed by Motorola, the use of third-line data transmission, namely the SCK clock pin, SI data input pin and the SO data output pin.

C51 LCD of meniumItC51 LCD of meniumIt