collect some of the PIC article, I believe the PIC programmers can help

80C51单片机中利用蜂鸣器实现电子琴的源程序。包含蜂鸣器的datasheet。-80C51 single-chip buzzer realize the use of the source organ. Contains the buzzer datasheet.

用485实现单片机之间的串行通信。 从机部分一直等待主机的命令，接收到就发响应信号，然后接受数据，接受成功就用液晶显示-MCU with 485 Serial Communication between. From the plane of the mainframe have been waiting for the orders received on the response signal and then receive data on the successful use of acceptable LCD

采用89C51采集显示8颗卫星的时间，经纬度信息-Use of 89C51 collection displays eight satellites of time, latitude and longitude information

c8051f120占空比PWM转速单闭环控制直流电机-c8051f120 PWM duty cycle speed single-loop DC motor control

PCF8563T读写功能程序（原创）-PCF8563T read and write capabilities (original)

FIQ有FIQ_PWM、FIQ_TMA和FIQ_TMB三个中断源,当定时器A或B计满溢出时产生中断请求信号TA_TIMEOUT_INT或TA_TIMEOUT_INT,CPU响应后进入中断执行相应的子程序控制二极管发光。A口的低四位接LED灯，B口的低四位接LED灯.-FIQ has FIQ_PWM, FIQ_TMA and FIQ_TMB three interrupt sources, when the timer A or B when the expiration overflow interrupt request signal TA_TIMEOUT_INT or TA_TIMEOUT_INT, CPU response after interruption of the implementation of the corresponding subprogram control light-emitting diodes. A low population of four LED lights then, B I take the low four LED lights.

51单片机开发的ps键盘c语言程序，为学习和研究单片机及嵌入式系统开发的同学提供帮助-51 MCU Development ps keyboard c language program, for study and research microcontroller and embedded system development to help students

求任意个数的平均值，输入数字就可以求得结果，是本人学习汇编的习作，请多指教。-seeking arbitrary number, the average import figures can be obtained result is a compilation of my learning exercises, please enlighten.

调整手机背景，色彩，调通手机界面或者制作3D动感界面-Phone adjust background color, tune Qualcomm mobile phone interface or the production of 3D dynamic interface

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