用单片机16F877A外接MAX518实现正弦波输出

input code control please see -input code control please see

DS1302芯片的资料（英文）。有需要的朋友下载！-DS1302 chip information (in English). Friend in need to download!

C语言编写的，控制蜂鸣器唱出一段音乐。 是猪八戒背媳妇。-Written in C language to control the buzzer to sing a piece of music. The Pig is back a wife.

语音芯片ISD1420的C语言程序，实现简单的语音存储与播放。在KEIL下运行-ISD1420 voice chip of the C language procedures realize a simple voice storage and playback. Run in KEIL

这是一份Ｉ２Ｃ数据传输程序．自己写的，有识之士看看，-I2C data transmission procedures. Wrote it myself, people of insight to see,

PIC的资源,用PIC16F505做段码显示的C语言样例-Single and multiple 7-segment displays, multiplexing, and BCD counting on baseline PICs (using the PIC16F505)

用硬件协议栈芯片w3100a实现tcp服务器，用51单片机实现 kei51环境-hardware protocol stack chips w3100a achieve tcp servers, with 51 MCU environment kei51

这是一个智能小车的原理图，里面包括红外传感器的收发，液晶显示模块，方波产生模块，单片机控制模块等．-This is a smart diagram of the car, including infrared sensors inside the transceiver, LCD modules, square wave generated modules, SCM control module.

利用430做的一个产生时钟脉冲的程序，可以调的！-430 make use of a clock pulse generated procedures, you can tune in!

彩色充电器PCB电路图彩色充电器PCB电路PCB