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	<id>https://wiki.opensourceecology.org/index.php?action=history&amp;feed=atom&amp;title=Stefan_Ludwig</id>
	<title>Stefan Ludwig - Revision history</title>
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	<updated>2026-04-05T14:38:02Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://wiki.opensourceecology.org/index.php?title=Stefan_Ludwig&amp;diff=50661&amp;oldid=prev</id>
		<title>StefanL38 at 21:09, 1 January 2012</title>
		<link rel="alternate" type="text/html" href="https://wiki.opensourceecology.org/index.php?title=Stefan_Ludwig&amp;diff=50661&amp;oldid=prev"/>
		<updated>2012-01-01T21:09:09Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 21:09, 1 January 2012&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Who am &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;I?&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Who &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;I &lt;/ins&gt;am  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;not familiar with layouting WIki-pages as you can see from the non-existant layout of this page&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;not familiar with layouting WIki-pages as you can see from the non-existant layout of this page&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l17&quot;&gt;Line 17:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 17:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;development environment is very easy to setup:  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;development environment is very easy to setup:  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;1) Start &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Steup&lt;/del&gt;.exe for FTDI-driver&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;1) Start &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Setup&lt;/ins&gt;.exe for FTDI-driver&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;2) Start Setup.exe for Code-Editor.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;2) Start Setup.exe for Code-Editor.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>StefanL38</name></author>
	</entry>
	<entry>
		<id>https://wiki.opensourceecology.org/index.php?title=Stefan_Ludwig&amp;diff=50654&amp;oldid=prev</id>
		<title>StefanL38: Created page with &quot;Who am I?  not familiar with layouting WIki-pages as you can see from the non-existant layout of this page  43 yeras old. I have a degree similar to a bachelor (Dipl.-Ing.) in me...&quot;</title>
		<link rel="alternate" type="text/html" href="https://wiki.opensourceecology.org/index.php?title=Stefan_Ludwig&amp;diff=50654&amp;oldid=prev"/>
		<updated>2012-01-01T19:47:20Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;Who am I?  not familiar with layouting WIki-pages as you can see from the non-existant layout of this page  43 yeras old. I have a degree similar to a bachelor (Dipl.-Ing.) in me...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Who am I?&lt;br /&gt;
&lt;br /&gt;
not familiar with layouting WIki-pages as you can see from the non-existant layout of this page&lt;br /&gt;
&lt;br /&gt;
43 yeras old. I have a degree similar to a bachelor (Dipl.-Ing.) in mechanical engineering.&lt;br /&gt;
My daily work is working as a teacher in mathematics and metal technology (basic things about milling, lathhing, water-heatings steel-construction).&lt;br /&gt;
 &lt;br /&gt;
I&amp;#039;m a &amp;quot;hobby&amp;quot; electronic &amp;quot;engineer&amp;quot;. No formal examination but quite a good amount of knowledge.&lt;br /&gt;
&lt;br /&gt;
I have software-developing experience with turbo-pascal (long time ago) and delphi.&lt;br /&gt;
I worked several years for a company as a softwaredeveloper for industrial controls of engraving machines.&lt;br /&gt;
&lt;br /&gt;
I write code for the microcontroller called propeller-chip [http://www.parallax.com/tabid/407/Default.aspx] from parallax inc.&lt;br /&gt;
&lt;br /&gt;
This is my favorite microcontroller for the following reasons:&lt;br /&gt;
&lt;br /&gt;
development environment is very easy to setup: &lt;br /&gt;
&lt;br /&gt;
1) Start Steup.exe for FTDI-driver&lt;br /&gt;
&lt;br /&gt;
2) Start Setup.exe for Code-Editor.&lt;br /&gt;
&lt;br /&gt;
Start coding in a high-level-language called SPIN (similar to C or delphi) or propeller-assembler PASM&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;EACH&amp;#039;&amp;#039;&amp;#039; PASM command can be executed conditional to flags&lt;br /&gt;
&lt;br /&gt;
Code runs completely in RAM so selfmodifiying code is possible.&lt;br /&gt;
&lt;br /&gt;
32Bit at 80MHz clock&lt;br /&gt;
&lt;br /&gt;
Chip has TV-graphic and VGA-graphic &amp;quot;on board&amp;quot;. (add some resistors and you are done)&lt;br /&gt;
&lt;br /&gt;
Has 8 CPU-cores than can run independant from each other&lt;br /&gt;
&lt;br /&gt;
So no interrupts for catching external events nescessary.&lt;br /&gt;
&lt;br /&gt;
absolute deterministic behaviour of the PASM-code.&lt;br /&gt;
&lt;br /&gt;
Very flexible as all interfacing is done by software.&lt;br /&gt;
&lt;br /&gt;
hundreds of Ready to use code-modules for&lt;br /&gt;
&lt;br /&gt;
PS/2-keyboard, VGA-signal generation, TV-signal-generation&lt;br /&gt;
&lt;br /&gt;
I²C, onewire, SPI, serial COM-Port, TCP/IP-stack and a lot more see [http://obex.parallax.com]&lt;/div&gt;</summary>
		<author><name>StefanL38</name></author>
	</entry>
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