USB主机方式的应用可以参考CH375的资料，与计算机连接的USB设备方式（或自己做U盘）可以参考CH372 的资料。如果是读写U盘并且用量较少或者是系统...

是用AT89C2051主控音量控制PT2258,数码管显示, 红外线遥控,2.1/5.1音源选择)包括全套原理图,源程序,HEX文件-AT89C2051 is PT2258 master volume control, digital control, infra-red remote control, 2.1/5.1 sources choice), including a full set of schematics, source, the HEX file

AD转换的分辨率=参考电压/(总元素-1) 当AD为8位，总元素=256（ff）取参考电压=Vdd=5V时 分辨率=5/(256-1)= 0.019607843-resolution of the AD converter reference voltage =/(total element 1) When the AD for eight, with a total element = 256 (ff) the reference voltage Vdd = = = 5V resolution 5/(256-1) = 0.019607843

* BL-TFT240320-BOARD 2.8/3.2" board * LCD 240x320 3.2-inch QVGA 262k TFT-LCD module * Resolution of 240RGBx320 dots * 262k TFT Color LCD * LCD driver is SSD1289 * Touch screen controller ADS7843 * SD card slot with led card insert detection * SPI pin interface * ARDUINO pin support * Black light control with hardware or software control * 8/16-bit interface for microcontrollers * 40 pin Interface * Power input voltage 5Vdc * Frame Cover * Dimensions:68mm x 97mm - * BL-TFT240320-BOARD 2.8/3.2" board * LCD 240x320 3.2-inch QVGA 262k TFT-LCD module * Resolution of 240RGBx320 dots * 262k TFT Color LCD * LCD driver is SSD1289 * Touch screen controller ADS7843 * SD card slot with led card insert detection * SPI pin interface * ARDUINO pin support * Black light control with hardware or software control * 8/16-bit interface for microcontrollers * 40 pin Interface * Power input voltage 5

键盘可以直接接在单片机上，实现标准pc键盘的使用-Keyboard can be directly connected to the single-chip microcomputer, the realization of the use of standard pc keyboard

ad转换0809的引用实例，次程序调试过，用作数字电压表，精度还不错。-ad conversion of the quoted examples of 0809, sub-program debugging, and used as a digital voltage meter, accuracy was not bad.

学习AVR单片机的基础实验程序 适合初学者学习提高-AVR MCU learning basic experimental procedure suitable for beginners to learn improve

汽车领can总线通讯程序，属于一个demo的程序，非常有参考价值，请大家用的时候最好有can总线的知识-Automotive collar can bus communication procedures, the procedure is a demo, very useful, please use the time everyone can have the best knowledge of bus

在TC下面写的一个手机汉字输入,可以一直到51单片机中.是不可多的好程序-below TC wrote in a phone inputting Chinese characters, has been to 51 microcontroller. More is not a good procedure

时钟芯片H1380控制程序，实现单片机时钟功能-Clock Chip H1380 control procedures, to achieve single-chip clock function

此为标准按键控件的C源代码,此为头文件此控件应用起来比较方便-this button controls for the standard C source code, which was the first such document control applications up more convenient