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通过把音乐的节奏转变成字符以实现通过高低电平让蜂鸣器响-By the rhythm of the music into a character in order to achieve high-low so that buzzer sound

51的键盘扫描程序,与原来的扫描方式不同,这种方式可以处理多键同时按下.-51 keyboard scanning procedures, with the original scan different ways, this approach can handle multi-button pressed together.

用单片机产生Pwm来控制电机的硬件和软件设计，附录为源代码！-MCU Pwm to produce motor control hardware and software design, appendix to the source code!

串口，这个程序很好啊啊 ，欢迎下载撒-Serial port, this procedure very well ah ah, welcome to download Caesar

C8051F120 ISP下载程序，通过串口可以更新程序，实现硬件的自动升级，更新程序大小为62KB-C8051F120 ISP download programs through the serial port can update procedure, automatic hardware upgrades, updates size is 62KB

万龙开发板的原理图和pcb图，仅供交流和学习用。-Wanlong development board schematic and pcb map, only with communication and learning.

使用 AT89C2051 控制的数字温度测量仪表。-AT89C2051 to control the use of digital temperature gauges.

C166 1024点汇编FFT源代码,使用Tasking编译器-C166 1024-point FFT compilation of source code, compilers use tasking

飞思卡尔车身控制技术研讨会资料范例 基于LIN的收发通信-Freescale Seminars Body Control data sample based on the LIN transceiver, communications

NOKIA线控耳机源码，协议为NOKIA自定义协议。-NOKIA headset wire source, the agreement for NOKIA custom protocols.