IC card read

一个I2C为驱动的一个时钟芯片程序，很有用的，大家好好学习吧-A I2C-driven one clock chip procedures, very useful, you study hard everyone

用AT89S52实现鉴相功能，用于对光电编码器的输出进行编码。-Using AT89S52 realize phase function, optical encoder used to encode the output.

ucos-ii在C8051F020上的移植-ucos-ii on C8051F020 transplant

单片机做的图片菜单显示，学单片机的好资料，proteus仿真通过，学习的好资料-The single-chip picture menu shows that learning good information on SCM, proteus simulation adoption, learn good information ...

这个程序利用89S51演奏生日快乐的歌曲 */-This procedure performed using 89S51 Happy Birthday song* /

基于VC++6.0应用MSCOMM控件的串口通信上位机程序,实现与51单片机的通信-Based on VC++ 6.0 Application MSCOMM control PC serial communication procedures, with 51 single-chip communication

定时器中断实验代码， 定时器3进行0.1秒定时，每0.5秒改变一次P2,P3口的值以产生走马灯效果。-timer interruption experimental code, three timers for 0.1 seconds regularly, every 0.5 seconds to change a P2, P3 to the values I have merry-go-round effect.

工业仪表常用到4-20mA输出此程序通过C51单片机模拟输出PWM 提供了很好的思路和事例-Industrial instrumentation commonly used to 4-20mA output of this program through the C51 single-chip analog output PWM provides a good example of ideas and

有详细的PIC单片机C程序，配有完整的注释说明，是学习PIC单片机不可多得的好资料！-PIC has detailed procedures for single-chip C with complete notes, is to learn PIC Singlechip rare good information!

该设备可以循环检测24节2V6V12V蓄电池组，测量精度达0.05 ，测量结果通过RS485方式上传至主监控。采用MODBUS通讯协议。-The device can loop detection 24 2V 6V 12V battery, measurement accuracy of 0.05 , the measurement results through the RS485 upload to the main control means. Using MODBUS communication protocol.