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<p>[QUOTE=&quot;Justin Lee, post: 4012081, member: 87404&quot;]I got curious to see how much textual data could be embedded directly within a QR code without the need for the internet for translating or redirecting or any online access at all (most newer phones come with a QR code reader installed as part of their OS).&nbsp; It appears that <a href="https://qr-creator.com/plain-text.php" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://qr-creator.com/plain-text.php" rel="nofollow">the site that I used to generate the QR code</a> (yes, I used the internet to generate the code initially) mentions a 800 character limit <b><span style="color: #0000b3">(Edit: it appears that larger QR codes can store more data, <a href="https://www.techspot.com/guides/1676-qr-code-explained/" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://www.techspot.com/guides/1676-qr-code-explained/" rel="nofollow">such as Version 40, which is 177x177, can hold 1264 ASCII characters</a>, and <a href="http://qrcode.meetheed.com/question3.php" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://qrcode.meetheed.com/question3.php" rel="nofollow">other sites claim even more</a>)</span></b>.&nbsp; I thought I&#039;d try it with a coin attribution that I had up already in my browser, so I copy and pasted the attribution text into the form field in the generator and our popped a (pretty robust) QR code.&nbsp; I didn&#039;t count how many characters I had in my attribution, but it accepted it and it appears to be working in its entirety (including the link at the bottom of the attribution to where I posted it on my site, though that is not necessary and won&#039;t work without internet access).</p><p><br /></p><p>I was curious to see if the text was actually embedded within the QR code and wasn&#039;t pulling it from some database it was storing the info in online, so I went into airplane mode scanned it and it pulled all the text up with no problem (including the URL text, but no appropriately no preview of the link like when I have online access).</p><p><br /></p><p>My coin:</p><p><img src="https://iomegacollectionhome.files.wordpress.com/2019/04/collagemaker_20190419_175550411.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><font size="3"><b>Philip I (The Arab), Ruled 244-249 AD</b></font></p><p><font size="3"><b>AE29, Syria, Antioch Mint, Struck 247-249 AD</b></font></p><p><font size="3">Obverse: AYTOK K M IOYΛI ΦIΛIΠΠOC CEB, radiate, draped, cuirassed bust left, aegis on far shoulder.</font></p><p><font size="3">Reverse: ANTIOXEΩN MHTΡO KOΛΩN, veiled, turreted, draped bust of city goddess right, between Δ-E / S-C, ram jumping right above, head turned back, star beneath bust.</font></p><p><font size="3">References: Butcher 498, SNG Cop 271</font></p><p><font size="3">Size: 29mm, 15.6g</font></p><p><br /></p><p>My QR code:</p><p>[ATTACH=full]1055520[/ATTACH]</p><p><br /></p><p>What makes the pixelstix and reddit approach better than this &quot;brute force&quot; approach of simply embedding the actual content right there in the image/code? <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie26" alt=":bookworm:" unselectable="on" unselectable="on" /><img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie27" alt=":bored:" unselectable="on" unselectable="on" />&nbsp; I guess, without the abstraction layer of linking to an updatable online URL or landing page for the coin, you are stuck with whatever text you embed initially and print on an insert and cannot update it after-the-fact if you made an error (like instead being able to update the page that it is linking to at any point in the future).&nbsp; Anyways...&nbsp; an interesting topic and interesting experiments and results.&nbsp; <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" /></p><p><br /></p><p>[ATTACH=full]1055523[/ATTACH][/QUOTE]</p><p><br /></p>

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