这个是录音琴的程序,用光电感应器来检测琴键的动作.并且将他记录下来,可以回放....

液晶驱动程序,提供通用液晶驱动的框架,可以嵌入各种操作系统,提供了向上的接口-LCD drivers, LCD drivers provide a common framework that can be embedded in a variety of operating systems, provides a progressive interface

单片机c8051f020片内温度传感器的使用，将是主流的8位单片机-C8051f020 microcontroller chip temperature sensor use, will be the mainstream of 8-bit microcontrollers

fpga-sdram开发板-sch,本原理图是xilinx公司s3系列开发板的sdram-- SDRAM development board- sch, the diagram is Xilinx companies s3 series of development board SDRAM

单片机AT90S系列 制作简易USB接口（软件模拟,无usb硬件）。doc- Monolithic integrated circuit AT90S series manufacture simple USB connection (software simulation, non- usb hardware). Doc

正转，转四相步进电机，每相间隔70ms。C51程序 51单片机通用。-Is to switch to four-phase stepper motor, each interval of 70ms. 51 Single-chip Universal C51 procedures.

AVR128的C代码，外部中断，串口中断，IO操作-AVR128 C-code, external interrupt, serial port interrupts, IO operation

汇编程序，利用单片机液晶1602实现数字频率计-Assembler, using 1602 single-chip LCD digital frequency meter

使用ISD4004语音芯片与单片机连接，设计的一个任意录音或放音8―16分钟的模块，注解详细。-Use ISD4004 voice chip microcontroller, design an arbitrary recording or playback 8-16 minute modules, detailed annotations.

μC／OS―ⅡV：2.80 对 ATMega256 单片机的移植程序代码。- C/OS- II V : 2.80 pairs ATMega256 SCM transplant procedure code.

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.