qt开发的mp3播放

这是一个在一个小项目包的源文件，输出PWM波根据输入电压的幅度。本项目使用STC12C5A60S2单片机，witch是一个8051 请点击左侧文件开始预览 ！预览只提供20%的代码片段，完整代码需下载后查看 加载中 侵权举报

学习如何控制蜂鸣器的声音输出，这次我们只输出一个频率的声音，试验使用的是交流蜂鸣器。我们的电路中用P17来驱动-Learn how to control the buzzer sound output, this time we only output one frequency sound, experimenting with the use of a communication buzzer. Our circuit using P17 to drive the

在ARM7上一步一步移植UC/OSII，且成功的在板子上跑起来。-Step by step in the ARM7 transplant UC/OSII, and successful run on the board together.

资源描述嵌入式编程中，需要使用一个串口接收的缓冲区C++实现，如是编写了此类。

AT91SAM9263的Keil下的CAN总线的例程文件-AT91SAM9263 under the CAN bus of the Keil routine document

IAR 环境下LPC2478 实时时钟程序-IAR environment, real-time clock program LPC2478

资源描述基于STM32的modbus串口通讯协议+485通讯,该程序以stm32开发板为实验平台，经过测试可以实现stm32开发板与上位机以modbus通讯协议的方式进行串口通讯。这样就可以实现通过上位机对开发板进行实时操作

Security applicaion using CAN protocol

CPLD器件中常用编程，对于多进程做了很好的处理，能实现0到59计数，还可自己根据需要调整，实现多种计数功能，从而实现时分秒计时器的功能-CPLD devices commonly used in programming, for many the process to do a very good deal, can achieve 0-59 count, but also need to be adjusted in accordance with their own, achieve a variety of counting functions, when every minute timer in order to realize the function of timer