the conmunication of MCU by USB2.0

1.电子琴功能 用实验板上K1~K7作为电子琴的7个按键，每个按键对应一个音符要求当按下其中一个按键，就通过P2.5口输出对应频率信号使蜂鸣器发出特定音符声音。 2.乐曲演奏 若按下K8键，完成自动弹奏“送别”歌曲。 -1. Organ function of the experimental board K1 ~ K7 as the organ of the seven buttons, each button corresponds to a note of which require that when the press of a button, on the adoption of P2.5 port output frequency signal corresponding to a specific note to the buzzer sounds . 2. Music playing, if pressed K8 button to complete the auto-play " Farewell" songs.

触摸屏芯片ADS7846ADS7843驱动程序(C51)-Touchscreen chip ADS7846ADS7843 Driver (C51)

ATMEL Uart C51程序（中断方式）-ATMEL Uart C51 (interrupt)

Atmel atmega16 with t6963 (avrstudio)

在发一个PC机与51单片机通讯的程序，简单易懂。-In the hair of a PC machine with 51 single-chip communications procedures, easy-to-read.

这是单片机C语言位操作函数！给大家参考使用，可以直接在单片机中引用，不需要自己去编写，弥补了C语言位操作没有汇编灵活的缺点-This is the C language SCM- manipulation functions. For your reference use, can be directly invoked in SCM, you do not need to do to prepare. compensate for the C-language compilation flexible operation without the shortcomings

语音温度计输出当前摄氏度，如果超出一定的范围会报警。-Degrees Celsius thermometer voice output current, if the scope will go beyond a certain alarm.

16x16单片机仿真LED点阵有卷动和移动两种闪法随便用-16x16 single-chip simulation scrolling LED dot-matrix There are two types of flash method and mobile casual use

Motorola MCU HC08下的uCOSII移植源代码，刚刚完成。附用户应用程序测试，稍加修改可以增加自己功能。-HC08 Motorola MCU under uCOSII transplant source code, has just been completed. A user application procedures for the testing, a little change can increase their functionality.