使用PIC芯片控制U2270读取125KHz ID卡卡号，因为所使用的PIC资源很少，此程序极为精简，包含中断曼切斯特解码和校验全过程，非常实用。...

1602lcm字符液晶屏驱动演示程序,连接线图: LCM-------51 LCM-------51 LCM--------51 DB0-----P0.0 DB4-----P0.4 RS-------P2.0 DB1-----P0.1 DB5-----P0.5 RW-------P2.1 DB2-----P0.2 DB6-----P0.6 E--------P2.7 DB3-----P0.3 DB7-----P0.7 VLCD接1K2电阻到GND [注]:AT89C51的晶振频率为12MHz-1602lcm character LCD Driver demo program, link map : LCM LCM------- 51------- 51-------- 51 DB0 LCM P0 .0 DB4----------------- P2.0 P0.4 RS DB1----- P0 .1 DB5 P 0.5 RW----------------- P P2.1 DB2 Encl 0.2 DB6 E------------------ P0.3 P2.7 DB3 DB7----- P0.7 VLCD access 1K2 resistance to GND [Note] : AT89C51 oscillator frequency of 12 MHz

串口调试助手V2.1.EXE 用于串口调试用-Serial debug V2.1.EXE assistant for serial debugging

PS键盘的使用非常普遍,结合PS键盘很单片机,能借助键盘的按键非常丰富,在单片机拓展汉字输入提供了条件-PS very common use of the keyboard, the keyboard is very single-chip combination of PS can use the keyboard keys are very rich in Chinese character input in single-chip expansion has provided the conditions

TS12864A-3汉字库。有需要的朋友请下载-TS12864A-3汉字库. Friend in need, please download

16位10进制除法程序，KEIL51编写，适合单片机运算-16 10 M division procedures, KEIL51 prepared for single-chip computing

单片机atmega16串行通信程序，功能：异步串口接收数据，并返回给PC机。-SCM atmega16 serial communication program, features: asynchronous serial receive data, and return to the PC.

采用东芝TDA7495/TDA7496芯片（已经形成产品）制作的高保真立体声音频放大器PCB裸板图-Toshiba chips used TDA7495/TDA7496 (has been formed products) produced by high-fidelity stereo audio amplifier PCB bare board diagram

一些自己编写的verilog代码，供初学者学习用，觉得还是合适的。-I have written a number of Verilog code, for beginners to learn, think it appropriate.

51系列单片机的uCOS-II原代码-51 Series MCU uCOS-II source code

编译器keil c, 功能：对atmel的dataflash读写，型号：at45db041- Compiler keil c, function: To atmel dataflash read-write, model: At45db041