2×2 VGA视频分配器图纸，Protel 99生产。

利用52单片机通过8254定时器实现控制电机的PWM调速程序，可实现开始，停止，加速，减速。-8254 through the use of 52 single-chip motor control timer PWM speed control process, can realize the start, stop, acceleration, deceleration.

usb slaver for ide acce

利用DS18b20温度采集芯片通过AVR单片机采集温度，并发送到串口监视温度-tong gou xie wei

两颗51单片机通过串口通信的代码,独有的仲裁机制使得任一颗单片机都能成为主机.-2 51 Single-chip serial communication through the code, unique to the arbitration mechanism allows any host can become a single-chip microcomputer.

MSP430的P2口接4*4按键，在PC短运行串口调试软件，可显示键号-MSP430 P2 I received 4* 4 keys, in the short run PC serial debugging software can show that the key issue

STC89C51RCRD系列内部EEPROM数据存储（C语言）说的可是天主教单片机啊！

完整的c程序，包括模拟量输入输出，pid算法，触摸屏通讯等。-Complete c procedures, including analog input and output, pid algorithm, touch-screen communications.

485多机通信例程,很好用,适当修改可做单机使用-no

源码PB做的一个全新的触摸屏系统，请大家试用-PB-source to do an entirely new touch screen system, U.S. trial

单片机用于控制NFR2401的程序，可实现ZIGBEE功能-This is a mcu programmar to control NFR2401