MNVETJM014

户外显示屏源程序，含下位机源程序和上位机通讯程序（用delphi编写）(outdoor display source files, with the next crew and the source PC communication program (prepared with delphi))

Ultrasonic range finder based on STM32F103

Checks that a class is valid and can be used in the Android Manifest.

STC12C5A60s2单片机实现双串口的数据交换，串口1接收到的数据通过串口2发送出去，串口2接受到得数据通过串口1发送出去(STC12C5A60s2 MCU dual serial data exchange, the serial data received through a serial port 2 to send out, receive data from the serial port 2 sent via the serial port 1)

上海应用技术学院校友录，方便校友之间联络感情，互相留下信息。(Shanghai Institute of Technology alumni, facilitate contact between alumni feelings, leave a message each other.)

一款还不错的静态壁纸代码 核心代码：package com.example.wallpaperchange;import android.os.Bundle;import android.app.Activity;import android.app.AlarmManager;import android.app.PendingIntent;import android.app.Service;import android.content.Intent;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.Toast; public class MainActivity extends Activity { AlarmManager aManager; Button start,stop; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); start = (Button)findViewById(R.id.start); stop = (Button)findViewById(R.id.stop); aManager = (AlarmManager)getSystemService(Service.ALARM_SERVICE); //指定ChangeService组件 Intent intent = new Intent(MainActivity.this,ChangeService.class); //创建PendingIntent对象 final PendingIntent pi = PendingIntent.getService( MainActivity.this, 0, intent, 0); start.setOnClickListener(new OnClickListener() { public void onClick(View v) { // TODO Auto-generated method stub aManager.setRepeating(AlarmManager.RTC_WAKEUP, 0, 5000, pi); start.setEnabled(false); stop.setEnabled(true); Toast.makeText(MainActivity.this, "壁纸定时更换启动成功", 5000).show(); } }); stop.setOnClickListener(new OnClickListener() { public void onClick(View v) { // TODO Auto-generated method stub start.setEnabled(true); stop.setEnabled(false); aManager.cancel(pi); } }); } }

【实例简介】

stm32产生spwm程序，利用TIM1和DMA，通过PA8和PB13输出spwm波(stm32 produce spwm program, using TIM1 and DMA, and PB13 through PA8 spwm wave output)

只能小车寻线与避障加寻光51单片机代码，就是全国电子设计竞赛1999年的E题啦。(Only the car line code 51 single-chip microcomputer and obstacle avoidance for light)

周立功公司代理的飞利浦ARM芯片LPC2294程序开发源码(Development procedure source code LPC2294)