本文介绍了AT89C2051单片机的性能和特点，并在分析了超声波测距原理的基本系统框图。该设计系统经校正后，其测量精度可达0.1米...

串口上位机，用于接受下位机所传数据，实现双向控制，本软件是用于接受、控制，无线终端节点-PC serial port for the next bit plane data by mass, to achieve bi-directional control, the software is used to receive, control, wireless terminal nodes

用89c51单片机与USBD12结合的电路图和源程序.. -with 89c51 SCM and USBD12 combination of circuit and the source ..

智能电加热定时控制电路原程序,智能电加热定时控制电路原程序-smart electric heating timing control circuit original, a smart electric heating timing control circuit original program

PADS2005 WORK IN LAYOUT PCB -PADS2005 WORK IN LAYOUT PCB

c8051f040单片机的定时器应用程序。-C8051F040 MCU timer application.

WINBOND的W21C512的存储器管脚图，对此存储器的一些参数性能指标-WINBOND W21C512 memory of pin maps, this memory of some of the parameters of performance indicators

数码时钟显示，用8位LED软件译码动态显示，P0为字段码,P2为位选码，数码管共阳， key0为位选键；key1为加“1键；key2为减“1”键。-Digital clock display with 8 LED dynamic display software decoding, P0 code for the field, P2 election code for the digital, digital tube were positive, key0 bond election for the position key1 to add " 1 button key2 to reduce the" 1 " button.

这是一个很好的学习工程，对于初学都是一个难得的好资料，完整！-This is a good learning project for the beginner is a rare good information, complete!

C8051F040 ＣＡＮ总线编程，演示时需两块０４０的开发板，开发板的按键状态通过CAN总线发到另一个开发板上并通过ＬＥＤ显示出按键状态．-C8051F040 CAN bus programming, presentation 2 040 when the development board, development board through the state of the keys issued to another CAN bus and through the development of on-board LED shows the status button.

数字电子钟的详细设计和汇编代码实现，相信会给大家帮助-Digital electronic clock assembly code detailed design and implementation, I believe that everyone will assist