分类目录归档：电子设计

2011
11-07

数码管共阴极与共阳极编码 NEW

阳：uchar code table[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e};阴：uchar code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};//dp,g,f,e,d,c,b,a//0 0 1 1 1 1 1... Read More >

2011
10-17

时间单位换算表 NEW

1秒=1000毫秒(ms)1毫秒=1／1,000秒(s)1秒=1,000,000 微秒(μs)1微秒=1／1,000,000秒(s)1秒=1,000,000,000 纳秒(ns)1纳秒=1／1,000,000,000秒(s)1秒=1,000,000,000,000 皮秒(ps)1皮秒=1／1,000,000,000,000秒(s)1s=1000ms1ms=1000us1us=1000ns1ns=1000ps... Read More >

2011
09-24

我的第一个单片机程序 NEW

实现8个流水灯，并且伴有蜂鸣器，循环3次结束闪烁。#include<reg52.h>  #include <intrins.h>#define uint unsigned int#define uchar unsigned charuchar temp,num,num1,ed;sbit beep=P2^3;void delay(uint);void main()  {num=0;temp=0xfe;ed=0xff;while(num<=24)nu... Read More >

2011
09-14

昨天买了单片机开发板

单片机嵌入式方面还没接触过，买个单片机板子先玩玩，昨天刚到货，什么都有，配套齐全，先从最基本看起，然后再到嵌入式，先从点亮一个灯开始吧...... Read More >