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Added new link in Mics category.
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blamster19 committed Sep 28, 2023
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4 changes: 2 additions & 2 deletions _site/2023/09/27/rpi-ebook-3.html
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<meta property="twitter:title" content="DIY Raspberry Pi ebook reader, part 3 - epaper display" />
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<link rel="stylesheet" href="/assets/main.css"><link type="application/atom+xml" rel="alternate" href="https://blamster19.github.io/feed.xml" title="blamster19 - all stuff blamster" /><link rel="apple-touch-icon" sizes="180x180" href="/assets/favicon/apple-touch-icon.png">
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<h1 class="post-title p-name" itemprop="name headline">DIY Raspberry Pi ebook reader, part 3 - epaper display</h1>
<p class="post-meta">
<time class="dt-published" datetime="2023-09-27T20:12:40+00:00" itemprop="datePublished">Published: 2023-09-27T20:12Z<br>
Last modified: 2023-09-27T20:11Z
Last modified: 2023-09-27T20:15Z
</time></p>
</header>
<ol id="toc" class="toc">
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2 changes: 1 addition & 1 deletion _site/feed.xml
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<?xml version="1.0" encoding="utf-8"?><feed xmlns="http://www.w3.org/2005/Atom" ><generator uri="https://jekyllrb.com/" version="3.9.3">Jekyll</generator><link href="https://blamster19.github.io/feed.xml" rel="self" type="application/atom+xml" /><link href="https://blamster19.github.io/" rel="alternate" type="text/html" /><updated>2023-09-27T20:14:03+00:00</updated><id>https://blamster19.github.io/feed.xml</id><title type="html">blamster19 - all stuff blamster</title><subtitle>blamster19&apos;s little corner of the Net.</subtitle><entry><title type="html">DIY Raspberry Pi ebook reader, part 3 - epaper display</title><link href="https://blamster19.github.io/2023/09/27/rpi-ebook-3.html" rel="alternate" type="text/html" title="DIY Raspberry Pi ebook reader, part 3 - epaper display" /><published>2023-09-27T20:12:40+00:00</published><updated>2023-09-27T20:11:53+00:00</updated><id>https://blamster19.github.io/2023/09/27/rpi-ebook-3</id><content type="html" xml:base="https://blamster19.github.io/2023/09/27/rpi-ebook-3.html">&lt;h1 id=&quot;not-your-usual-screen&quot;&gt;Not your usual screen&lt;/h1&gt;
<?xml version="1.0" encoding="utf-8"?><feed xmlns="http://www.w3.org/2005/Atom" ><generator uri="https://jekyllrb.com/" version="3.9.3">Jekyll</generator><link href="https://blamster19.github.io/feed.xml" rel="self" type="application/atom+xml" /><link href="https://blamster19.github.io/" rel="alternate" type="text/html" /><updated>2023-09-28T12:46:29+00:00</updated><id>https://blamster19.github.io/feed.xml</id><title type="html">blamster19 - all stuff blamster</title><subtitle>blamster19&apos;s little corner of the Net.</subtitle><entry><title type="html">DIY Raspberry Pi ebook reader, part 3 - epaper display</title><link href="https://blamster19.github.io/2023/09/27/rpi-ebook-3.html" rel="alternate" type="text/html" title="DIY Raspberry Pi ebook reader, part 3 - epaper display" /><published>2023-09-27T20:12:40+00:00</published><updated>2023-09-27T20:15:03+00:00</updated><id>https://blamster19.github.io/2023/09/27/rpi-ebook-3</id><content type="html" xml:base="https://blamster19.github.io/2023/09/27/rpi-ebook-3.html">&lt;h1 id=&quot;not-your-usual-screen&quot;&gt;Not your usual screen&lt;/h1&gt;

&lt;p&gt;I have to point out that epaper display does not work like normal LCD or OLED display you normally connect to Raspberry Pi. Instead of video driver, it comes with a library full of drawing routines you execute manually, like &lt;code class=&quot;language-plaintext highlighter-rouge&quot;&gt;clear&lt;/code&gt;, &lt;code class=&quot;language-plaintext highlighter-rouge&quot;&gt;draw&lt;/code&gt;, &lt;code class=&quot;language-plaintext highlighter-rouge&quot;&gt;update&lt;/code&gt; and the like.&lt;sup id=&quot;fnref:1&quot; role=&quot;doc-noteref&quot;&gt;&lt;a href=&quot;#fn:1&quot; class=&quot;footnote&quot; rel=&quot;footnote&quot;&gt;1&lt;/a&gt;&lt;/sup&gt; This is not the end of differences, though. You have to be more mindful of refresh rate as those heavily impact longevity of a display. Typically you do not want to refresh more often than something like twice a minute, and certainly not every second (Waveshare &lt;a href=&quot;https://www.waveshare.com/wiki/7.5inch_e-Paper_HAT_Manual&quot;&gt;recommends&lt;/a&gt; 180 s). Another important thing to keep in mind is the full refresh cycle which consists of repeated flashes of black and white - it is required to fully clear the image and prevent ghosting, and is tied to how epaper displays work.&lt;/p&gt;

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3 changes: 2 additions & 1 deletion _site/links/index.html
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<p><a href="https://orionsarm.com/">Orion’s Arm</a><br />
<a href="https://imgur.com/a/aUoXC">excellent infographic on signals in OpenTTD</a><br />
<a href="https://aleph.se/">Anders Sandberg’s pages</a> - check out this guy, really</p>
<a href="https://aleph.se/">Anders Sandberg’s pages</a> - check out this guy, really<br />
<a href="https://projectrho.com/public_html/rocket/index.php">Atomic Rockets</a></p>

</div>

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[Orion's Arm](https://orionsarm.com/)
[excellent infographic on signals in OpenTTD](https://imgur.com/a/aUoXC)
[Anders Sandberg's pages](https://aleph.se/) - check out this guy, really
[Atomic Rockets](https://projectrho.com/public_html/rocket/index.php)

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