isd4004语音,我实验过,成功,欢迎下载!

在有线电视中实现程控有源滤波器设计。为了充分利用设备和传输线,需要一种具有频率选择的网络―滤波器,将同一线 路上不同的信号分开,在电视机中也需要不同的滤波器(即选择有用信号,抑制无用信号) 。下面利用8051 单片机与12 位分辨率的DAC1208 数模转换芯片相结合的系统实现时间常数可程控有源滤波器设计,阐述了硬件结构与软件设计-In cable television in the realization of program-controlled active filter design. In order to make full use of equipment and transmission lines, the need for a frequency selective network- filter, the same lines separate different signal in the TV also requires a different filter (ie, choice of useful signals and suppress unwanted signals). Following the use of 8051 and 12-bit resolution digital-to-analog converter DAC1208 chip combining system time constant can be program-controlled active filter design, the hardware structure and software design

一个本人编写的时钟程序，用stc芯片，四位数码管，74ls164译码器。-I prepared a clock procedures, using STC chips, four digital tube, 74ls164 decoder.

7281键盘显示程序，经过验证，可以直接使用-Keyboard display program 7281, after verification, can be directly used

Epson 150II点阵式打印机电路原理图,PCB图,有四个版本,CPU有LPC764,89C51RD2等,有驱动宽度保护功能.-Dot-matrix printer Epson 150II circuit schematics, PCB diagram, there are four versions, CPU has LPC764, 89C51RD2 and so on, have driven the width of protection.

这是一本很好的单片机实验指导书，是初学者的指导资料。-This is a good experiment SCM guide book is a guide to beginners.

Philips的RFID技术I Code的核心处理芯片，支持ISO14443A, B还有ISO15693。 Key: tere-were-este-Philips

用语言编的小车循迹运动程序，采用凌阳061单片机控制器，在电子应用中功能强大！-Language provision of car movement tracking procedures, the use of single-chip controller 061 Sunplus electronic applications powerful!

MSP430单片机C语言应用程序设计实例精讲,单片机开发的朋友可以作为参考-MSP430 single chip C Language Application Programming example, single-chip can be developed by a friend as a reference

设计要求 1）. 抢答器同时供 8名选手或 8个代表队比赛，分别用 8 个按钮 S0 ~ S7 表示。 2）. 设置一个系统清除和抢答控制开关 S，该开关由主持人控制。 -fadfsdhfjhsdkfjsdfkjsdlfkdsljdsakljkdsafgjdsf

用87C196NT单片机实现CAN总线通信-87C196NT MCU with CAN bus communication