data-communication-

IT IS A DTASHEET FOR mc9s12dp256 Fresscale microcontroller

完成数码管的计时功能。同时实现LED灯的流水变化。(Complete digital control of the timing function.)

、支持mp3, wma, wav, mid SF0播放 2、支持三种播放模式：单曲重复，全曲重复，乱序播放 3、支持任意文件夹文件的播放（注：总文件夹数不大于136个） 4、支持完整歌词显示（GBK超大字库，支持简繁体，推荐歌词形式为多个时间tag复用歌词的形式） 如 [00：12][00：35][00：56]歌词1 对时间tag没有要求，总之就是完全符合规范。 5、6个按键，next,prev,V+,V-,(PLSY/PAUSE),mode/BL 6、支持2G以内sd卡 (, Support mp3, wma, wav, mid SF0 player 2, in support of the three player modes: single, repeat, all song repeat, out-of-order player 3, support for arbitrary file player folder (Note: the total number of folders is not more than 136 ) 4, to support the integrity of the lyrics display (GBK large font, to support simplified and traditional, the form of a number of recommended time lyrics tag reuse the form of the lyrics) in the case [00:12] [00:35] [00:56] lyrics 1 tag does not require time, a word that is in full compliance with the norms. 5,6 a button, next, prev, V+, V-, (PLSY/PAUSE), mode/BL 6, within the sd card support 2G)

OV7670照相模组硬件应用指南1.01 OVT，希望大家喜欢(OV7670 Photo Module Hardware Application Guide 1.01 OVT, I hope you like it.)

说明：  ds18b20测量温度，基于stm32f4，进行温度测量，精度高(temperature measurement)

讲解了pcb制作过程中容易出现问题的地方，可以避免易出现问题的布线方式(Explain pcb production process prone to problems where the problem can be avoided prone wiring)

说明：  用C语言编写的51单片机智能小车程序；该小车能自行循迹，超声波避障和测距，液晶显示信息以及红外遥控等功能；(The 51 single-chip intelligent car program written in C language can track itself, avoid obstacles and measure distance by ultrasound, display information by LCD and infrared remote control.)

MSP430f149,实现AD采样值(P6.0)显示到1602液晶上，满量程3.3V，显示255(MSP430f149, to achieve AD sampling value (P6.0) display to the 1602 LCD, full range 3.3V, display 255)

关于两个单片机之间能够实现多机通信的源代码！内部有。HEX的下载文件，可便于学习版下载！(duojitongxin)

OLED显示屏测试，基于IIC通讯，供电3.3V或5V(OLED screen display demo)