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dasung-paperlike-hdft-teardown.html
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#cccccc;width:0px;height:1.19999em}body .tree li div.forest-link{border:solid 2px #cccccc;padding:0.2em 0.29999em 0.2em 0.29999em;text-decoration:none;display:inline-block;border-radius:5px 5px 5px 5px;color:#333333;position:relative;top:2px}body .tree.flipped li div.forest-link{-webkit-transform:rotate(180deg);-moz-transform:rotate(180deg);-ms-transform:rotate(180deg);-o-transform:rotate(180deg);transform:rotate(180deg)}</style><!--replace-end-7--><!--replace-end-4--><!--replace-end-1--></head><body><div class="ui fluid container universe"><!--replace-start-2--><!--replace-start-3--><!--replace-start-6--><nav class="flipped tree deemphasized" id="zettel-uptree" style="transform-origin: 50%"><ul class="root"><li><ul><li><div class="forest-link"><span class="zettel-link-container"><span class="zettel-link" title="2021-02-17T22:13"><a href="building-an-e-ink-laptop.html">Building an E-Ink Laptop</a></span></span></div><ul><li><div class="forest-link"><span class="zettel-link-container"><span class="zettel-link" title="2021-02-27T15:44"><a href="projects.html">Projects</a></span></span></div><ul><li><div class="forest-link"><span class="zettel-link-container"><span class="zettel-link" title="2021-02-27T15:41"><a href="about.html">Alexander Soto</a></span></span></div><ul><li><div class="forest-link"><span class="zettel-link-container"><span class="zettel-link"><a href=".">About this site</a></span></span></div></li></ul></li></ul></li></ul></li><li><div class="forest-link"><span class="zettel-link-container"><span class="zettel-link"><a href="blog.html">Blog</a></span></span></div></li></ul></li></ul></nav><div class="ui text container" id="zettel-container" style="position: relative"><div class="zettel-view"><article class="ui raised attached segment zettel-content"><div class="pandoc"><h1 id="title-h1">Dasung Paperlike HD-FT teardown</h1><p>A series where I’m documenting my process of designing and building an eink laptop.</p><ul><li><span class="zettel-link-container folge"><span class="zettel-link" title="2021-02-17T22:13"><a href="building-an-e-ink-laptop.html">Building an E-Ink Laptop</a><span data-nosnippet="" style="user-select: none; color: gray" title="Folgezettel">#</span></span></span></li></ul><p>In my first post, <a href="https://alexsoto.dev/building-an-e-ink-laptop.html">Building an E-Ink Laptop</a>, I went over some history about e-ink technology, the e-ink modding community, recent advancements, and the hardware I’ve selected to create an e-ink laptop.</p><p>This post in the series will be a teardown of the Dasung HD-FT, inspired from Kev Zettler’s work on the, <a href="https://kevzettler.com/2018/02/11/dasung-paperlike-pro-teardown/">Dasung Paperlike Pro Teardown</a>. Thank you, <a href="https://kevzettler.com/">Kev Zettler</a>, for showing your work on the Dasung Paperlike Pro and making all of this possible.</p><p>I’ve created an accompanying video going over the Dasung HD-FT teardown process.</p><div class="ui medium images centered"><iframe width="560" height="315" src="https://www.youtube.com/embed/LebWtp0X0Iw" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
</div><h2 id="overview-of-the-dasung-hd-ft">Overview of the Dasung HD-FT</h2><p>The Dasung HD-FT is a third-generation e-ink monitor with a display of 13.3“, a screen resolution of 2200x1650, a touchscreen, and an adjustable backlight. The monitor connects via a proprietary Y cable, with connections for USB and HDMI; additionally, the Dasung HD-FT can be powered by the micro-usb connection on the left side.</p><p>Once connected to a computer, it acts as a second monitor or, for our purposes, a primary monitor for our e-ink laptop. The monitor’s physical buttons allow you to adjust the contrast, brightness, clear the screen, and change modes.</p><p>The modes (M1, M2, M3, Fast, Fast++, Black, Black+, Black++) correspond to how the monitor displays what’s rendered in the screen using different shades of grey or black/white.</p><p>Let’s take a closer look and dismantle the Dasung HD-FT and look at its components.</p><h2 id="opening-the-dasung-paperlike-hd-ft">Opening the Dasung Paperlike HD-FT</h2><p>Similar to Zettler’s observations and approach, the Dasung HD-FT is made of one piece of construction. I first began with a knife, carefully prying the outer edges of the Dasung Monitor where it’s all glued and making my way slowly through all of the sides.</p><a href="static/building-an-e-ink-laptop/IMG_20210216_194558.jpg" target="_blank" class="ui centered large image">
<img src="static/building-an-e-ink-laptop/IMG_20210216_194558.jpg">
</a>
<p>Once I finished prying through all of the sides, what became visible were the screws that were holding everything together.</p><a href="static/building-an-e-ink-laptop/IMG_20210216_194714.jpg" target="_blank" class="ui centered large image">
<img src="static/building-an-e-ink-laptop/IMG_20210216_194714.jpg">
</a>
<p>After removing all of the screws, I was able to gain access to the panel!</p><a href="static/building-an-e-ink-laptop/IMG_20210216_203519.jpg" target="_blank" class="ui centered large image">
<img src="static/building-an-e-ink-laptop/IMG_20210216_203519.jpg">
</a>
<h2 id="the-e-ink-display-module-and-control-board">The E-ink display module and control board</h2><p>Like Zettler discovered, the Dasung HD-FT chip components upon closer inspection were also chemically peeled off to prevent reverse engineering of the e-ink display and control board.</p><a href="static/building-an-e-ink-laptop/IMG_20210216_201821.jpg" target="_blank" class="ui centered large image">
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</div><h2 id="es133tt3-display-module">ES133TT3 Display Module</h2><a href="static/building-an-e-ink-laptop/IMG_20210216_201921.jpg" target="_blank" class="ui centered large image">
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</div><p>The e-ink display module model number for the Dasung HD-FT is the: <span class="center"><strong>ES133TT3</strong></span></p><p>beck-elektronik<span data-nosnippet=""><sup class="footnote-ref"><a href="#fn1" id="fnref1">1</a></sup></span> describes it as “<em>reflective electrophoretic E Ink technology display module based on active matrix TFT and plastic substrate. The plastic substrate is protected by an outer covering.</em>”</p><p>Specification:</p><ul><li><strong>Size:</strong> 13.3 inch</li><li><strong>Resolution (HxV):</strong> 2200 * 1650</li><li><strong>Active Area:</strong> 270.60 * 202.95 mm</li><li><strong>Outline Dimensions:</strong> 287.00 * 215.50 mm</li><li><strong>Dpi:</strong> 206</li><li><strong>E Ink Film:</strong> Carta 1.2</li><li><strong>Refresh Time:</strong> 450 ms</li><li><strong>Backplane:</strong> Flexible</li><li><strong>Total Thickness:</strong> 0.65 mm</li><li><strong>Total Weight:</strong> 68 g</li><li><strong>Grey Level:</strong> 16</li><li><strong>Surface Treatment:</strong> Anti-Glare</li><li><strong>Partial Update:</strong> yes</li></ul><p>Their website also lists an EPD driver kit that’s compatible with it, the ES133TT3.<span data-nosnippet=""><sup class="footnote-ref"><a href="#fn2" id="fnref2">2</a></sup></span></p><h2 id="next-steps">Next Steps</h2><p>This second post provided an overview of the Dasung HD-FT, a teardown of the Dasung HD-FT and its internal components, and identifying the display module used, the ES133TT3.</p><p>The following post in the series will be a teardown of the Thinkpad T480 that we will be using to build our e-ink laptop.</p><h2 class="ui horizontal divider header" id="about">About</h2><p><img class="ui left floated small image" id="avatar" src="static/profile.jpeg" /></p><p>Hi, I’m Alexander Soto.</p><p>I’m a community organizer, educator, software engineer, hacktivist, and agent of social change. My interests are in exploring community-building, social justice, education, and leveraging technology to address social problems.</p><p>In the past, I’ve worked as a labor rights organizer, a teacher, and I’m currently the Project Lead at <a href="https://ei2030.org/">EI2030</a>, an Expert In Residence at <a href="https://www.resilientcoders.org/">Resilient Coders</a>, and founder of <a href="https://www.modos.tech/">Modos</a>.</p><p>I enjoy tinkering/playing/breaking things, 3D printing, painting, playing piano, swimming, and writing in my spare time.</p><p>This site is the <a href="https://alexsoto.dev/impulse.html">scattered and unfinished version of my thoughts</a> while documenting what I’m currently learning and exploring.</p><p>If you’d like to know the updates of a post, have questions, comments, suggestions, or would like to collaborate, send me a <a href="https://twitter.com/messages/compose?recipient_id=4648173315">direct message</a> on <a href="https://twitter.com/alexsotodev">Twitter</a>, or an <a href="mailto:[email protected]">email</a> and we can talk.</p><section id="subscriptionLinks"></section>
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<div id="footnotes"><ol><li id="fn1"><p><a href="https://www.beck-elektronik.de/en/products/displays/e-paper-display-epd/active-matrix-epd/es133tt3/">ES133TT3 Active Matrix E-Paper Display</a></p><a href="#fnref1">↩︎</a></li><li id="fn2"><p><a href="https://www.beck-elektronik.de/en/products/displays/display-controller/epd-controller/epd-driver/#tab-8054">EPD Driver Display Controller</a></p><a href="#fnref2">↩︎</a></li></ol></div></div><div class="metadata"><div class="date" title="Zettel date"><time datetime="2021-02-20T16:02">2021-02-20</time></div></div></article><nav class="ui attached segment deemphasized backlinksPane" id="neuron-backlinks-pane"><h3 class="ui header">Backlinks</h3><ul class="backlinks"><li><span class="zettel-link-container cf"><span class="zettel-link"><a href=".">About this site</a></span></span><ul class="context-list" style="zoom: 85%;"><li class="item"><div class="pandoc"><em>Parent directory zettel</em></div></li></ul></li></ul><h3 class="ui header"><span title="Backlinks from folgezettel parents">Uplinks</span></h3><ul class="backlinks"><li><span class="zettel-link-container folge"><span class="zettel-link" title="2021-02-17T22:13"><a href="building-an-e-ink-laptop.html">Building an E-Ink Laptop</a><span data-nosnippet="" style="user-select: none; color: gray" title="Folgezettel">#</span></span></span><ul class="context-list" style="zoom: 85%;"><li class="item"><div class="pandoc"><span class="zettel-link-container folge"><span class="zettel-link" title="2021-02-20T16:02"><a href="dasung-paperlike-hdft-teardown.html">Dasung Paperlike HD-FT teardown</a><span data-nosnippet="" style="user-select: none; color: gray" title="Folgezettel">#</span></span></span></div></li></ul></li><li><span class="zettel-link-container folge"><span class="zettel-link"><a href="blog.html">Blog</a><span data-nosnippet="" style="user-select: none; color: gray" title="Folgezettel">#</span></span></span><ul class="context-list" style="zoom: 85%;"></ul></li></ul></nav><nav class="ui attached segment deemphasized bottomPane" id="neuron-tags-pane"><div><span class="ui basic label zettel-tag" title="Tag">blog</span><span class="ui basic label zettel-tag" title="Tag">e-ink</span><span class="ui basic label zettel-tag" title="Tag">root</span></div></nav><nav class="ui bottom attached icon compact inverted menu black" id="neuron-nav-bar"><!--replace-start-9--><a class="item" href="." title="Home"><i class="home icon"></i></a><!--replace-end-9--><a class="right item" href="impulse.html" title="Open Impulse"><i class="wave square icon"></i></a></nav></div></div><!--replace-end-6--><!--replace-end-3--><!--replace-end-2--><div class="ui center aligned container footer-version"><div class="ui tiny image"><a href="https://neuron.zettel.page"><img alt="logo" src="https://raw.githubusercontent.com/srid/neuron/master/assets/neuron.svg" title="Generated by Neuron 1.9.24.1" /></a></div></div></div></body></html>