AT24C02的应用例程，进行eeprom和I2C的应用设计

对利用595串行实现IO口扩展，本程序仅用3个IO口扩展到6个数码管-Realize the use of 595 serial IO port expansion, this procedure only 3 IO I extend to six digital tube

修改后的PDIUSBD12完整固件源码，实现51单片机的USB接口，完全通过测试。-revised PDIUSBD12 integrity of the firmware source code, achieving 51 SCM"s USB port and fully tested.

TECHWELL 之tw2835 四画面合一之驱动代码,CCIR656输出,KEIL C51 平台编译,-Techwell tw2835 of one of four screen-driven code, CCIR656 output, KEIL C51 compiler platform,

一个电子产品开发时的部分c代码C!绝对能用!-When an electronic product development part of c code C! Absolutely can!

用keil c51写得温度传感器程序，可以显示小数点后一位，lcm1602显示-Keil c51 with temperature sensors written procedures, one can show after the decimal point, lcm1602 show

ST-LINKII-KEIL 驱动 拷贝到keilarmin目录下 keil 3.22a以上版本-ST-LINKII-KEIL-driven copy to keilarm in directory keil 3.22a above

基于中断控制的声光报警器的设计.采用中断方式，设计一个声光报警器的硬件电路和控制程序。程序运行时，一旦8位开关信号量状态满足设定条件，就触发中断，使发光二级管按规律闪烁，同时扬声器播放一段音乐。 硬件设备包括一台微机、一个MFID微机实验箱、一块T型板，2输入四与门 74ls08、8位总线驱动器 74ls245、LM386A音频放大器、排阻、扬声器各一个，发光二极管8个，470uF电容2个、104电容4个，插线若干。 -Interrupt-based control of sound and light alarm design. Using interrupt mode, designing a sound and light alarm hardware circuits and control procedures. The program is running, once the 8-bit switch signal to set the amount of state to meet the conditions to trigger interrupts, so that light-emitting diode flashes according to the law, while speakers play a piece of music. Hardware includes a computer, a computer simulation, MFID box, a T plate, 2 input 4 and gate 74ls08, 8-bit bus driver 74ls245, LM386A audio amplifier, exclusion, speakers of a light-emitting diode 8, 470uF capacitor 2 a, 104 capacitors 4, plug-line number.

Generic_8052_ISD51源码,仿真器代码!想DIY 仿真器的有福了-Generic_8052_ISD51 source, Simulator code! DIY simulator to the blessed

本库函数实现了C8051F020 SMBUS总线的驱动 简洁规范的代码风格以及简单易用的接口不堪为一经典之作

自动检测80C51 串行通讯中的波特率-automatic detection 80C51 Serial communication baud rate