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 <title><![CDATA[让PLC唱歌]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1651190.html]]></link>
 <description><![CDATA[Latest 50 replies of 让PLC唱歌]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <lastBuildDate><![CDATA[Mon, 04 May 2026 18:22:38 +0000]]></lastBuildDate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第24楼bobbzp于2018-12-23 11:11发表的&nbsp;&nbsp;:
这个贴子是前些年有位高人发的，确实能让唱歌，但是必须是继电器输出的plc，程序执行时，输出继电器高频振动产生轻微的音乐声，不需要接喇叭。
[/quote]

挣积分的？

PLC唱歌不就是输出不同频率脉冲驱动喇叭吗？
只有晶体管才能输出脉冲。

这个算不了什么 ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1651190#2019144.html]]></link>
 <author><![CDATA[tingfenghu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 23 Dec 2018 04:10:21 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[这个贴子是前些年有位高人发的，确实能让唱歌，但是必须是继电器输出的plc，程序执行时，输出继电器高频振动产生轻微的音乐声，不需要接喇叭。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1651190#2019137.html]]></link>
 <author><![CDATA[bobbzp]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 23 Dec 2018 03:11:05 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[我怎么觉得图1的电池和喇叭位要对换一下]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1651190#1979062.html]]></link>
 <author><![CDATA[clvq427]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 13 Jun 2018 00:36:31 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[好厉害啊，有没有西门子的啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1651190#1978977.html]]></link>
 <author><![CDATA[莫里斯]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 12 Jun 2018 10:48:57 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21]&nbsp;&nbsp;[s:21]&nbsp;&nbsp;[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1651190#1978884.html]]></link>
 <author><![CDATA[yrm258]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 12 Jun 2018 06:15:54 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[历害了 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1651190#1978856.html]]></link>
 <author><![CDATA[周先生]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 12 Jun 2018 05:35:58 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[前浪死在沙滩上[quote]引用第15楼cjm1234于2018-06-04 20:41发表的&nbsp;&nbsp;:
长江后浪推前浪
[/quote]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1651190#1978238.html]]></link>
 <author><![CDATA[迪迦奥特曼]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 09 Jun 2018 05:45:58 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[家里plc，扬声器，电阻都有，打算试试]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1651190#1977765.html]]></link>
 <author><![CDATA[工控菜鸟]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 07 Jun 2018 10:22:15 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[SAO SAO]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1651190#1977741.html]]></link>
 <author><![CDATA[alley哒=]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 07 Jun 2018 08:26:09 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[有没有原音录音。发上来欣赏一下。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1651190#1976976.html]]></link>
 <author><![CDATA[bruce2020]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 04 Jun 2018 12:46:43 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[长江后浪推前浪]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1651190#1976974.html]]></link>
 <author><![CDATA[cjm1234]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 04 Jun 2018 12:41:30 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[这造诣到底要多深？？？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1651190#1976970.html]]></link>
 <author><![CDATA[cdjszdh]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 04 Jun 2018 12:29:44 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[期待高手。 [s:19]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1651190#1976960.html]]></link>
 <author><![CDATA[gdj-gdj]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 04 Jun 2018 12:09:01 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[学习谢谢]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1651190#1976949.html]]></link>
 <author><![CDATA[耗子扛刀]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 04 Jun 2018 11:31:24 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[楼主利害 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1651190#1976946.html]]></link>
 <author><![CDATA[cjm1234]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 04 Jun 2018 11:16:30 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第5楼咗臉ヅ微笑ぺ于2018-06-04 14:56发表的&nbsp;&nbsp;:
这个很久以前就有了
[/quote]
是的，但是已知没见人解答出来，小弟比较好奇但是自己解答不出，所以再次拿出来大家讨论下[s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1651190#1976945.html]]></link>
 <author><![CDATA[遇上方知有]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 04 Jun 2018 11:12:34 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[若有人写出了麻烦分享下 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1651190#1976943.html]]></link>
 <author><![CDATA[遇上方知有]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 04 Jun 2018 11:10:01 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[大神威武，大神牛掰！！！
这造诣到底要多深？？？
 [s:39]&nbsp;&nbsp;[s:39]&nbsp;&nbsp;[s:39]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1651190#1976939.html]]></link>
 <author><![CDATA[wo0712]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 04 Jun 2018 11:01:11 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[这是改变脉冲频率来改变喇叭的音调的原理么？有创意哈哈]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1651190#1976881.html]]></link>
 <author><![CDATA[工控菜鸟]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 04 Jun 2018 09:14:55 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[向楼主学习了！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1651190#1976847.html]]></link>
 <author><![CDATA[wul2.4g]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 04 Jun 2018 08:19:52 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[这个很久以前就有了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1651190#1976827.html]]></link>
 <author><![CDATA[咗臉ヅ微笑ぺ]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 04 Jun 2018 06:56:11 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[6666666666666666666666]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1651190#1976826.html]]></link>
 <author><![CDATA[chanasky]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 04 Jun 2018 06:56:09 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[俄罗斯方块大神有的一拼！plc还能唱歌]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1651190#1976817.html]]></link>
 <author><![CDATA[3376824569]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 04 Jun 2018 06:23:24 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[这造诣，工控几段？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1651190#1976816.html]]></link>
 <author><![CDATA[hong0618]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 04 Jun 2018 06:23:07 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[闻所未闻，真的是这样吗？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1651190#1976815.html]]></link>
 <author><![CDATA[往事如风]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 04 Jun 2018 06:17:42 +0000]]></pubdate>
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