Telephone the working principle, has ringing circuit, Phone polarity protection...

一个针对320240液晶的ZLG/GUI移植，没有使用液晶控制器，利用LPC2103端口直接控制，屏幕会稍有闪烁-A target of 320,240 LCD ZLG/GUI transplantation, did not use the LCD controller, using LPC2103 port direct control, the screen will flicker a little

使用68HC705J1A写的一个键盘的代码,包括资料说明,一份难得的资料,本人开发键盘时好不容易才找到的资料-68HC705J1A use of a keyboard to write code, including the information note, a rare information, I developed the keyboard is not easy to find when the information

触摸屏幕资料！还有电路图！可以借鉴的！是初学者的好资料-touch screen information! There circuit! We can draw! Beginners is a good information!

传感器接口说明:从左到右依次为通道1,地,通道2 功能:在数码管上显示传感器接口通道2输入的电压 小数部分为7位,整数部分1位-Sensor Interface Description: from left to right channel 1, and channel 2 functions: to show possession in the digital sensor interface channel 2 voltage input for the fractional part of 7, an integral part of

一些驱动程序和显示程序及传感器的简单应用,再软件和硬件上全部调试通过,可以直接使用-Some drivers and display program and a simple sensor application, and then all the software and hardware debugging through, you can directly use

描述msp430的端口控制以及频率设定 的一个简单程序

提供一个用 SST89E564RD 芯片控制直流电机转速的参考程序，如果哪位大虾有意见，欢迎给我电邮。-SST89E564RD provided with a chip speed DC motor control reference procedure, if any prawns have different views, I welcome e-mail.

DLT645-2007,最新版中华人民共和国电力行业标准替代1997版-DLT645-2007, the latest version of People

RS485通信的深层细节，逐步深入分解讲解。-RS485 communication

单片机与嵌入式的经典应用推荐－－阻抗测量芯片AD5933.doc-Microcontroller and Embedded classic application of the recommendation- impedance measurement chip AD5933.doc