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    <title>E Ink Display Forum - E-Paper Integrated Device</title>
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    <description>Latest 20 threads of E-Paper Integrated Device</description>
    <copyright>Copyright(C) E Ink Display Forum</copyright>
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    <lastBuildDate>Sun, 12 Apr 2026 16:31:38 +0000</lastBuildDate>
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      <title>Our engineer Mike built a 4.26-inch e-paper reader by hand, and it comes with quite a few features.</title>
      <link>https://www.einkforum.com/forum.php?mod=viewthread&amp;tid=16</link>
      <description><![CDATA[4.26 inch E ink Display: https://www.good-display.com/product/457.html]]></description>
      <category>E-Paper Integrated Device</category>
      <author>admin</author>
      <pubDate>Tue, 31 Mar 2026 08:20:01 +0000</pubDate>
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      <title>Why cannot hacker update price tags by purchasing the same model of gateway?</title>
      <link>https://www.einkforum.com/forum.php?mod=viewthread&amp;tid=15</link>
      <description><![CDATA[🔐 1. Price Tag Key Protection Mechanism
Each price tag can be configured with a 16-digit hexadecimal key.

The default key is empty, but if a key is set, only gateways knowing that key can communicate with the tag.

Without the key, even if the hack]]></description>
      <category>E-Paper Integrated Device</category>
      <author>admin</author>
      <pubDate>Fri, 30 Jan 2026 02:05:35 +0000</pubDate>
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