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

用8051单片机 DS18B20显示是用LED,单片机用AT89S52. 做的温度控制系统-With the 8051 DS18B20 display is used LED, Microcontroller with AT89S52. To do temperature control system

单片机初学入门程序,不停地循环显示数字0~9。-Beginners Introduction to SCM process, a continuous loop display numbers 0 to 9.

利用单片机定时计数器，测量信号频率： 利用单片机定时计数器，测量信号频率-The use of single-chip timer counters, measuring signal frequency: use of single-chip timer counters, measuring signal frequency

针对于msp430学习用的流水灯演示程序 完全正确-MSP430 for learning in the water with lights demo program completely correct

在51单片机系统中实现CRC校验的方法，以及CRC校验的原理-51 single-chip microcomputer system in the realization of the CRC checksum, as well as the principles of CRC Checksum

使用AVR芯片MEGA16同时产生三路完全同步pwm频率波，1MHZ,1KHZ,1HZ.使用CVAVR软件编译-use AVR chip MEGA16 to generate three synchronous pwm of 1MHZ,1KHZ,and 1HZ。compiled by CVAVR

SST89C58的IAP功能进行在线下载程序的步骤-SST89C58 the IAP function for online download steps

ZLG7289测试程序，用于调整你的程序，网站上下载的程序不能正常显示，使用ATMEL公司的Atmega单片机-ZLG7289 testing procedures used to adjust your procedures, site to download the program should not display properly, use the ATMEL ATmega company

单片机系统软件抗干扰方法，在设计大规模系统中需要主义的问题方法！-SCM software anti-jamming system, the large-scale system design needs of Marxist methods!

单片机电路图.开发者可借助此51电路原理图，大大简化开发难度，提高效率。-Single-chip circuitry. Developers can take advantage of the 51 circuit schematic diagram, greatly simplified the development of the difficulty and improve efficiency.