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查看: 4375|回复: 10

求入门知识

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发表于 2004-4-28 19:40 | 显示全部楼层 |阅读模式

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各位师傅,我是个入门者。大家能否提供点入门资料给小弟学习学习呀。


我想要一些关于升压制作与原理,怎么恒定电流等等的文章呀。谢谢。

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发表于 2004-4-29 06:52 | 显示全部楼层
还是从基本的电路原理看起吧


如果是升压制作与原理就要看高频功率电子的书了


如果只要使用现有的IC片,看厂商的说明书就行了

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 楼主| 发表于 2004-4-29 18:37 | 显示全部楼层
多谢指点!能否推荐几本秘籍呀

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发表于 2004-4-29 18:44 | 显示全部楼层
秘籍我是没有的了,我都是以前看的书加上上的专业课,也许别人有吧

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 楼主| 发表于 2004-4-29 19:00 | 显示全部楼层
你是哪里人呀,以后我有问题会麻烦你的,没有问题吧!
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发表于 2004-5-3 05:07 | 显示全部楼层
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 125.1pt; mso-char-indent-count: 8.9; mso-char-indent-size: 14.05pt"><B style="mso-bidi-font-weight: normal"><SPAN lang=ZH-TW style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">白光</SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 14pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">LED</FONT></SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN lang=ZH-TW style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">定電流運\用線路</SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 14pt; mso-fareast-language: ZH-TW"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></B>



<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="mso-fareast-language: ZH-TW"><FONT face="Times New Roman">        <o:p></o:p></FONT></SPAN>



<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 36pt; mso-char-indent-count: 3.0; mso-char-indent-size: 12.0pt"><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">目前白光</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">LED</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">產品滿多的,如果自己要做白光</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">LED</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">的運\用,因電源的不固定,使用固定電阻限流,電阻必需符合輸入電壓,</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">LED</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">才不會燒掉或亮度不夠。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><BR></SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><?xml:namespace prefix = v ns = "urn:schemas-microsoft-com:vml" /><v:shapetype id=_x0000_t75 coordsize="21600,21600" o:spt="75" o:preferrelative="t" path="m@4@5l@4@11@9@11@9@5xe" filled="f" stroked="f"><v:stroke joinstyle="miter"></v:stroke><v:formulas><v:f eqn="if lineDrawn pixelLineWidth 0"></v:f><v:f eqn="sum @0 1 0"></v:f><v:f eqn="sum 0 0 @1"></v:f><v:f eqn="prod @2 1 2"></v:f><v:f eqn="prod @3 21600 pixelWidth"></v:f><v:f eqn="prod @3 21600 pixelHeight"></v:f><v:f eqn="sum @0 0 1"></v:f><v:f eqn="prod @6 1 2"></v:f><v:f eqn="prod @7 21600 pixelWidth"></v:f><v:f eqn="sum @8 21600 0"></v:f><v:f eqn="prod @7 21600 pixelHeight"></v:f><v:f eqn="sum @10 21600 0"></v:f></v:formulas><v:path o:extrusionok="f" gradientshapeok="t" o:connecttype="rect"></v:path><o:lock v:ext="edit" aspectratio="t"></o:lock></v:shapetype>


<SPAN lang=EN-US style="FONT-SIZE: 12pt"><v:shapetype id=_x0000_t75 coordsize="21600,21600" o:spt="75" o:preferrelative="t" path="m@4@5l@4@11@9@11@9@5xe" filled="f" stroked="f"><v:stroke joinstyle="miter"></v:stroke><v:formulas><v:f eqn="if lineDrawn pixelLineWidth 0"></v:f><v:f eqn="sum @0 1 0"></v:f><v:f eqn="sum 0 0 @1"></v:f><v:f eqn="prod @2 1 2"></v:f><v:f eqn="prod @3 21600 pixelWidth"></v:f><v:f eqn="prod @3 21600 pixelHeight"></v:f><v:f eqn="sum @0 0 1"></v:f><v:f eqn="prod @6 1 2"></v:f><v:f eqn="prod @7 21600 pixelWidth"></v:f><v:f eqn="sum @8 21600 0"></v:f><v:f eqn="prod @7 21600 pixelHeight"></v:f><v:f eqn="sum @10 21600 0"></v:f></v:formulas><v:path o:extrusionok="f" gradientshapeok="t" o:connecttype="rect"></v:path><o:lock v:ext="edit" aspectratio="t"></o:lock></v:shapetype>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt"><v:shapetype id=_x0000_t75 coordsize="21600,21600" o:spt="75" o:preferrelative="t" path="m@4@5l@4@11@9@11@9@5xe" filled="f" stroked="f"><v:stroke joinstyle="miter"></v:stroke><v:formulas><v:f eqn="if lineDrawn pixelLineWidth 0"></v:f><v:f eqn="sum @0 1 0"></v:f><v:f eqn="sum 0 0 @1"></v:f><v:f eqn="prod @2 1 2"></v:f><v:f eqn="prod @3 21600 pixelWidth"></v:f><v:f eqn="prod @3 21600 pixelHeight"></v:f><v:f eqn="sum @0 0 1"></v:f><v:f eqn="prod @6 1 2"></v:f><v:f eqn="prod @7 21600 pixelWidth"></v:f><v:f eqn="sum @8 21600 0"></v:f><v:f eqn="prod @7 21600 pixelHeight"></v:f><v:f eqn="sum @10 21600 0"></v:f></v:formulas><v:path o:extrusionok="f" gradientshapeok="t" o:connecttype="rect"></v:path><o:lock v:ext="edit" aspectratio="t"></o:lock></v:shapetype><A id=ImgSpan href="UploadFile/2004-5/200453125936766.gif" target="_blank" ><IMG alt=按此在新窗口浏览图片 src="UploadFile/2004-5/200453125936766.gif" border=0></A></SPAN>


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<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 36pt; mso-char-indent-count: 3.0; mso-char-indent-size: 12.0pt"></SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><BR></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">上圖為一個定電流源的電路,定電流,顧名思意,就是固定電流輸出,不會因你的輸入電壓,而改變輸出電流,這對於白光</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">LED</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">的運\用,是最方便的了,只要設定好你的</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">LED</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">串並數,計數所需電流,輸入電壓就可以非常的廣,如從</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">5V~30V</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">輸入都沒問題。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><BR><BR></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">所需零件</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">: TL431</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">電壓參考產生器一棵,電晶體</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">8050(</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">可視自己的規格改變電晶體型號</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">)1</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">棵,電阻</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">2</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">個,</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman"> RcL</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">需選對瓦特數,就</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">4</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">個零件就行了</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">!</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">簡單吧</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">!<BR><BR></FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">電流輸出計算方式如上圖</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">Vref/RcL</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">,以一般白光</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">LED</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">規格約需</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">20mA</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">電流,只接一棵</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">LED</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">的話,就是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">2.5V/R=20mA</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">,</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">R=2.5V/20mA=120 ohm</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">,以此類推,如果是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">3</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">棵串聯,因電流還是只需</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">20mA</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">,所以還是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">125ohm</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">,如是</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">3</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">棵並聯,則需</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">60mA</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">電流,</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">R=2.5/60mA=41.6ohm</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">,另一電阻使用約</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">1K</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">即可。</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><BR><BR></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">以上電路,我測試以</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">3</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">棵</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">LED</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">並聯,使用約</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">4V~30V</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">都可以點亮,且不會有燒掉的危險,</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">LED</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">很容易燒掉,我在測試時,不到半小時就被我燒掉了</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">3</FONT></SPAN><SPAN lang=ZH-TW style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'; mso-fareast-language: ZH-TW">棵,所以要小心</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; mso-fareast-language: ZH-TW"><FONT face="Times New Roman">!<o:p></o:p></FONT></SPAN>








[此贴子已经被作者于2004-5-4 8:50:00编辑过]

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发表于 2004-5-3 05:10 | 显示全部楼层
今天上不了图了,明天再上!

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发表于 2004-5-3 18:22 | 显示全部楼层

[贴图]

小日本设计的:

求入门知识

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<BR>
[此贴子已经被作者于2004-5-3 10:28:55编辑过]

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  • TA的每日心情
    无聊
    2021-8-15 22:01
  • 签到天数: 7 天

    [LV.3]偶尔看看II

    发表于 2004-5-3 20:59 | 显示全部楼层
    8楼的,你的图片好象发错了,你看是不是这张.

    求入门知识

    求入门知识
    <BR>
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    发表于 2004-5-4 16:48 | 显示全部楼层
    是的!
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     楼主| 发表于 2004-7-11 05:17 | 显示全部楼层
    最好有实样,在结合电路说明。
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