LED数码管仿真的英文怎么表示

2024-10-29 22:41:59
推荐回答(4个)
回答1:

LED数码管仿真的英文表示:LED Segment Displays。

led数码管由多个发光二极管封装在一起组成“8”字型的器件,引线已在内部连接完成,只需引出它们的各个笔划,公共电极。数码管实际上是由七个发光管组成8字形构成的,加上小数点就是8个。这些段分别由字母a,b,c,d,e,f,g,dp来表示。


扩展资料:

LED数码管仿真结构原理:

LED数码管引脚定义led数码管常用段数一般为7段有的另加一个小数点,还有一种是类似于3位“+1”型。

位数有半位,1,2,3,4,5,6,8,10位等等....,led数码管根据LED的接法不同分为共阴和共阳两类,了解LED的这些特性,对编程是很重要的,因为不同类型的数码管,除了硬件电路有差异外,编程方法也是不同的。

共阴和共阳极数码管的内部电路,它们的发光原理是一样的,只是电源极性不同而已。颜色有红,绿,蓝,黄等几种。led数码管广泛用于仪表,时钟,车站,家电等场合。选用时要注意产品尺寸颜色,功耗,亮度,波长等。下面将介绍常用LED数码管内部引脚图片。

回答2:

  a simulated LED Segment Displays
  LED数码管仿真的
  led数码管(LED Segment Displays)由多个发光二极管封装在一起组成“8”字型的器件,引线已在内部连接完成,只需引出它们的各个笔划,公共电极。数码管实际上是由七个发光管组成8字形构成的,加上小数点就是8个。这些段分别由字母a,b,c,d,e,f,g,dp来表示。
在电子设备上广泛地使用LED数码管显示数据,在许多应用软件中也经常模拟LED数码管显示数据,使程序画面看起来很有特色。使用Delphi 程序实现LED数码管的仿真显示非常容易,具体步骤如下:
1.启动Delphi 4.0。在“Tools”工具菜单上选择Delphi的图象编辑器“Image Editor”,建立一个新的位图,并设定位图的尺寸,宽为:48,高为:64。设定位图的底色为紫红色,前景色为红色。在位图上选择适当宽度的线条画出一个正方的8字,并将方型8字的各个拐角处用斜线断开,这样可使图象模拟的更加真实。完成后按文件名bitmap_0.bmp存储。然后用此文件复制9个文件,文件名分别为bitmap_1—9。用图象编辑器将这些方形的8字位图按文件名序号的顺序分别修改成0-9的数字位图,存储后备用。
2.建立一个新的工程,在窗体Form1上添加“面板”元件Panel1,设定“面板”元件的属性:bevelouter=bmRaised; bvevelInner=bvLowered; BorderWidth=4,设置后在Panel1元件上形成一个凸起的边框。在Panel1上添加一个“画板”元件PaintBox1,将PaintBox1的属性Hight 和Width设定为64和318,并适当调整Panel1面板的尺寸,使其正好包围画板元件。
3.在窗体中添加一个“图象列表”元件ImageList1,在元件上双击鼠标,调出添加图象对话框,将先前制作好的位图bitmap_0至bitmap_9按顺序添加进图象列表元件中去,使图象列表中位图的序号与位图本身代表的数字相同,并注意将位图设定为不透明。
4.转到单元编辑窗口,在Tform1的类说明部分添加一个显示LED的过程说明语句:
procedure display_LED(number:integer); 。
在implementation语句下面添加一个全局变量和对应上面过程说明的过程体。内容如下:
implementation
{$R *.DFM}
var
 dis_number:integer;
procedure Tform1.display_LED(number:integer);
var
 I:integer;
 digital:array[0..5]of integer;
begin
 {限制显示位数小于6位}
 if number>999999 then number:=0;
 for I:=0 to 5 do digital[I]:=0;
 {分离数字位}
 I:=0;
 while (number)>0 do
 begin
  digital[I]:=number mod 10;
  number:=number div 10;
  I:=I+1;
 end;
 {显示数字}
for I:=5 downto 0 do
  imagelist1.draw(paintbox1.canvas, (5-I)*54,0,digital[I]);
end;
5.在Form1窗体的OnCreated 事件中输入语句:dis_number:=0; ,使显示的初始值为0。在画板元件的On Paint 事件中输入语句:display_LED(dis_number); ,此语句非常重要,它可以在初始启动时显示初值0,在窗口本身被覆盖后又恢复到前台时仍可显示正常的数值。至此已完成了显示函数的程序编制。在需要显示数字的程序中调用display_LED 函数就能将数字显示在LED 的仿真显示板上。本举例程序只显示6位以下的数字。
6.为了测试显示效果,我们在窗体上增加一个编辑框元件Edit1,和一个按钮元件button1。用鼠标双击按钮元件跳转到Click事件编辑窗口,输入如下语句:
  dis_number:=strTOint(Edit1.text);
  display_LED(dis_number);
完成后按F9键编译并运行程序。在运行窗口的编辑框中输入6位以下的整数数字,点击按钮,编辑框中的数字就显示在LED仿真显示板上。

回答3:

点击“P”,输入7SEG,需要哪个选哪个

回答4:

REG

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