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	<title>sensorer &#8211; Tomas hjemmeside</title>
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		<title>Vejrstation del 2</title>
		<link>https://tomas.dk/ps/vejrstation-del-2/</link>
		
		<dc:creator><![CDATA[Tomas Jensen]]></dc:creator>
		<pubDate>Sun, 08 Dec 2024 13:51:57 +0000</pubDate>
				<category><![CDATA[3D]]></category>
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		<category><![CDATA[Linux]]></category>
		<category><![CDATA[Natur]]></category>
		<category><![CDATA[Teknik]]></category>
		<category><![CDATA[Vejr]]></category>
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		<category><![CDATA[sensorer]]></category>
		<category><![CDATA[vejrstation]]></category>
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					<description><![CDATA[Vejrstationen er delt i flere hovedkomponenter: Alt 3D arbejde er lavet med FreeCad.Hent tegninger via følgende links:&#8211; Engelsk hus.&#8211; Regnmåler.&#8211; Stueenhed.&#8211; Kabinet for ardunio. Delene der placeres udendørs er printet i PETG og indendørs dele er printet i PLA. Hvis der er nogen der har interesse, eksporterer jeg gerne til et format der kan læses&#8230; <a class="more-link" href="https://tomas.dk/ps/vejrstation-del-2/">Læs mere <span class="screen-reader-text">Vejrstation del 2</span></a>]]></description>
										<content:encoded><![CDATA[
<figure data-carousel-extra='{"blog_id":1,"permalink":"https:\/\/tomas.dk\/ps\/vejrstation-del-2\/"}'  class="wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex">
<figure class="wp-block-image size-large is-style-twentytwentyone-border"><img fetchpriority="high" decoding="async" width="587" height="864" data-attachment-id="2657" data-permalink="https://tomas.dk/ps/engelskhus/" data-orig-file="https://tomas.dk/ps/wp-content/uploads/2024/11/EngelskHus.png" data-orig-size="587,864" data-comments-opened="1" data-image-meta="{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}" data-image-title="EngelskHus" data-image-description="" data-image-caption="&lt;p&gt;Engelsk hus med AM2120 sensor&lt;/p&gt;
" data-medium-file="https://tomas.dk/ps/wp-content/uploads/2024/11/EngelskHus-204x300.png" data-large-file="https://tomas.dk/ps/wp-content/uploads/2024/11/EngelskHus.png" data-id="2657" src="https://tomas.dk/ps/wp-content/uploads/2024/11/EngelskHus.png" alt="" class="wp-image-2657" srcset="https://tomas.dk/ps/wp-content/uploads/2024/11/EngelskHus.png 587w, https://tomas.dk/ps/wp-content/uploads/2024/11/EngelskHus-204x300.png 204w, https://tomas.dk/ps/wp-content/uploads/2024/11/EngelskHus-102x150.png 102w" sizes="(max-width: 587px) 100vw, 587px" /><figcaption class="wp-element-caption">Engelsk hus med AM2120 sensor</figcaption></figure>
</figure>



<p>Vejrstationen er delt i flere hovedkomponenter:</p>



<ul class="wp-block-list">
<li>Engelsk hus, der indeholder temperatur og luftfugtighedssensor, AM2120</li>



<li>Regnsensor som er af vippetypen. Her kan bruges enten et reed relæ eller en proximity sensor der virker ved 5V.</li>



<li>En Arduino der aflæser værdier fra sensorer og holder dem klar til af læsning fra en webserver. I denne enhed sidder ligeledes lufttrykmåleren.</li>



<li>En stueenhed, der kan vise de vigtigste data. Denne er baseret på ESP32. Den  måler ligeledes stuetemperaturen.</li>
</ul>



<figure data-carousel-extra='{"blog_id":1,"permalink":"https:\/\/tomas.dk\/ps\/vejrstation-del-2\/"}'  class="wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex">
<figure class="wp-block-image size-large"><img fetchpriority="high" decoding="async" width="587" height="864" data-attachment-id="2657" data-permalink="https://tomas.dk/ps/engelskhus/" data-orig-file="https://tomas.dk/ps/wp-content/uploads/2024/11/EngelskHus.png" data-orig-size="587,864" data-comments-opened="1" data-image-meta="{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}" data-image-title="EngelskHus" data-image-description="" data-image-caption="&lt;p&gt;Engelsk hus med AM2120 sensor&lt;/p&gt;
" data-medium-file="https://tomas.dk/ps/wp-content/uploads/2024/11/EngelskHus-204x300.png" data-large-file="https://tomas.dk/ps/wp-content/uploads/2024/11/EngelskHus.png" data-id="2657" src="https://tomas.dk/ps/wp-content/uploads/2024/11/EngelskHus.png" alt="" class="wp-image-2657" srcset="https://tomas.dk/ps/wp-content/uploads/2024/11/EngelskHus.png 587w, https://tomas.dk/ps/wp-content/uploads/2024/11/EngelskHus-204x300.png 204w, https://tomas.dk/ps/wp-content/uploads/2024/11/EngelskHus-102x150.png 102w" sizes="(max-width: 587px) 100vw, 587px" /><figcaption class="wp-element-caption">Engelsk hus med AM2120 sensor</figcaption></figure>



<figure class="wp-block-image size-large"><img decoding="async" width="698" height="818" data-attachment-id="2658" data-permalink="https://tomas.dk/ps/regnmaaler/" data-orig-file="https://tomas.dk/ps/wp-content/uploads/2024/11/Regnmaaler.png" data-orig-size="698,818" data-comments-opened="1" data-image-meta="{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}" data-image-title="" data-image-description="" data-image-caption="&lt;p&gt;Regnmåler. Her vist med reed relæ.&lt;/p&gt;
" data-medium-file="https://tomas.dk/ps/wp-content/uploads/2024/11/Regnmaaler-256x300.png" data-large-file="https://tomas.dk/ps/wp-content/uploads/2024/11/Regnmaaler.png" data-id="2658" src="https://tomas.dk/ps/wp-content/uploads/2024/11/Regnmaaler.png" alt="Regnmåler" class="wp-image-2658" srcset="https://tomas.dk/ps/wp-content/uploads/2024/11/Regnmaaler.png 698w, https://tomas.dk/ps/wp-content/uploads/2024/11/Regnmaaler-256x300.png 256w, https://tomas.dk/ps/wp-content/uploads/2024/11/Regnmaaler-128x150.png 128w" sizes="(max-width: 698px) 100vw, 698px" /><figcaption class="wp-element-caption">Regnmåler. Her vist med reed relæ.</figcaption></figure>



<figure class="wp-block-image size-large"><img decoding="async" width="825" height="544" data-attachment-id="2655" data-permalink="https://tomas.dk/ps/displayfront/" data-orig-file="https://tomas.dk/ps/wp-content/uploads/2024/11/DisplayFront.png" data-orig-size="825,544" data-comments-opened="1" data-image-meta="{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}" data-image-title="DisplayFront" data-image-description="" data-image-caption="&lt;p&gt;Stueenhed med OLED skærm&lt;/p&gt;
" data-medium-file="https://tomas.dk/ps/wp-content/uploads/2024/11/DisplayFront-300x198.png" data-large-file="https://tomas.dk/ps/wp-content/uploads/2024/11/DisplayFront.png" data-id="2655" src="https://tomas.dk/ps/wp-content/uploads/2024/11/DisplayFront.png" alt="" class="wp-image-2655" srcset="https://tomas.dk/ps/wp-content/uploads/2024/11/DisplayFront.png 825w, https://tomas.dk/ps/wp-content/uploads/2024/11/DisplayFront-300x198.png 300w, https://tomas.dk/ps/wp-content/uploads/2024/11/DisplayFront-150x99.png 150w, https://tomas.dk/ps/wp-content/uploads/2024/11/DisplayFront-768x506.png 768w" sizes="(max-width: 825px) 100vw, 825px" /><figcaption class="wp-element-caption">Stueenhed med OLED skærm</figcaption></figure>



<figure class="wp-block-image size-large"><img loading="lazy" decoding="async" width="892" height="675" data-attachment-id="2654" data-permalink="https://tomas.dk/ps/displaybottom/" data-orig-file="https://tomas.dk/ps/wp-content/uploads/2024/11/DisplayBottom.png" data-orig-size="892,675" data-comments-opened="1" data-image-meta="{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}" data-image-title="DisplayBottom" data-image-description="" data-image-caption="&lt;p&gt;Stueenhed. Vist med temperatursensor og plads til kabel for sensoren.&lt;/p&gt;
" data-medium-file="https://tomas.dk/ps/wp-content/uploads/2024/11/DisplayBottom-300x227.png" data-large-file="https://tomas.dk/ps/wp-content/uploads/2024/11/DisplayBottom.png" data-id="2654" src="https://tomas.dk/ps/wp-content/uploads/2024/11/DisplayBottom.png" alt="" class="wp-image-2654" srcset="https://tomas.dk/ps/wp-content/uploads/2024/11/DisplayBottom.png 892w, https://tomas.dk/ps/wp-content/uploads/2024/11/DisplayBottom-300x227.png 300w, https://tomas.dk/ps/wp-content/uploads/2024/11/DisplayBottom-150x114.png 150w, https://tomas.dk/ps/wp-content/uploads/2024/11/DisplayBottom-768x581.png 768w" sizes="auto, (max-width: 892px) 100vw, 892px" /><figcaption class="wp-element-caption">Stueenhed. Vist med temperatursensor og plads til kabel for sensoren.</figcaption></figure>



<figure class="wp-block-image size-large"><img loading="lazy" decoding="async" width="971" height="591" data-attachment-id="2653" data-permalink="https://tomas.dk/ps/arduinobox/" data-orig-file="https://tomas.dk/ps/wp-content/uploads/2024/11/ArduinoBox.png" data-orig-size="971,591" data-comments-opened="1" data-image-meta="{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}" data-image-title="ArduinoBox" data-image-description="" data-image-caption="&lt;p&gt;Kabinet for arduinoen&lt;/p&gt;
" data-medium-file="https://tomas.dk/ps/wp-content/uploads/2024/11/ArduinoBox-300x183.png" data-large-file="https://tomas.dk/ps/wp-content/uploads/2024/11/ArduinoBox.png" data-id="2653" src="https://tomas.dk/ps/wp-content/uploads/2024/11/ArduinoBox.png" alt="" class="wp-image-2653" srcset="https://tomas.dk/ps/wp-content/uploads/2024/11/ArduinoBox.png 971w, https://tomas.dk/ps/wp-content/uploads/2024/11/ArduinoBox-300x183.png 300w, https://tomas.dk/ps/wp-content/uploads/2024/11/ArduinoBox-150x91.png 150w, https://tomas.dk/ps/wp-content/uploads/2024/11/ArduinoBox-768x467.png 768w" sizes="auto, (max-width: 971px) 100vw, 971px" /><figcaption class="wp-element-caption">Kabinet for arduinoen</figcaption></figure>
</figure>



<p>Alt 3D arbejde er lavet med FreeCad.<br />Hent tegninger via følgende links:<br />&#8211; <a href="https://tomas.dk/download/EngelskHus.FCStd">Engelsk hus</a>.<br />&#8211; <a href="https://tomas.dk/download/Regnmaaler.FCStd">Regnmåler</a>.<br />&#8211; <a href="https://tomas.dk/download/Display.FCStd">Stueenhed</a>.<br />&#8211; <a href="https://tomas.dk/download/ArduinoBox.FCStd">Kabinet for ardunio</a>.</p>



<p>Delene der placeres udendørs er printet i PETG og indendørs dele er printet i PLA.</p>



<p>Hvis der er nogen der har interesse, eksporterer jeg gerne til et format der kan læses af andre designværktøjer. Send da en mail til tcj(a)tomas.dk</p>



<p>Opdatering 12. januar 2025:<br />Jeg har opdaget, at der er problemer med vippebunden i det engelske hus. Vippen har det med at hænge p.g.a. at der samler sig en dråbe på undersiden. Overfladespændingen gør, at vippen &#8220;limer&#8221; sig fast. Derfor er designet nu lavet så vandet nemmere render fra og kontaktfladen er minimeret. Der ud over er det en fordel at give både vippebunden og vippen noget silicone. Dette kan enten være på spray eller som siliconefedt. Det sidste holder bedst men det skal være et meget tyndt lag. Det nye design kan hentes via dette link: <strong><a href="https://tomas.dk/download/VejrStation/VippeBundV2.step">VippeBundV2.step</a></strong></p>



<figure class="wp-block-image size-full"><img loading="lazy" decoding="async" width="798" height="630" data-attachment-id="2708" data-permalink="https://tomas.dk/ps/vejrstation-del-2/vippebundv2/" data-orig-file="https://tomas.dk/ps/wp-content/uploads/2024/12/VippebundV2.png" data-orig-size="798,630" data-comments-opened="1" data-image-meta="{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}" data-image-title="VippebundV2" data-image-description="" data-image-caption="" data-medium-file="https://tomas.dk/ps/wp-content/uploads/2024/12/VippebundV2-300x237.png" data-large-file="https://tomas.dk/ps/wp-content/uploads/2024/12/VippebundV2.png" src="https://tomas.dk/ps/wp-content/uploads/2024/12/VippebundV2.png" alt="" class="wp-image-2708" srcset="https://tomas.dk/ps/wp-content/uploads/2024/12/VippebundV2.png 798w, https://tomas.dk/ps/wp-content/uploads/2024/12/VippebundV2-300x237.png 300w, https://tomas.dk/ps/wp-content/uploads/2024/12/VippebundV2-150x118.png 150w, https://tomas.dk/ps/wp-content/uploads/2024/12/VippebundV2-768x606.png 768w" sizes="auto, (max-width: 798px) 100vw, 798px" /></figure>



<p>Desuden er hængslerne forstærket og der er lavet hul til en 8 mm proximitysensor.</p>
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