Kevin Karhan :verified:<p><span class="h-card" translate="no"><a href="https://mastodon.social/@stman" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>stman</span></a></span> <span class="h-card" translate="no"><a href="https://cathode.church/@50htz" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>50htz</span></a></span> <span class="h-card" translate="no"><a href="https://social.solarpunk.au/users/vidak" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>vidak</span></a></span> <span class="h-card" translate="no"><a href="https://masto.hackers.town/@theruran" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>theruran</span></a></span> <span class="h-card" translate="no"><a href="https://mastodon.net2o.de/@forthy42" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>forthy42</span></a></span> merely doubling the baudrate per wavelenght compared to <a href="https://infosec.space/tags/RONJA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RONJA</span></a> can yield 100MBit/s at 5 wavelenghts, whilst offering us better link budget & range.<br><a href="https://infosec.space/@kkarhan/114719599251092905" translate="no" rel="nofollow noopener" target="_blank"><span class="invisible">https://</span><span class="ellipsis">infosec.space/@kkarhan/1147195</span><span class="invisible">99251092905</span></a></p><p>Not to mention <a href="https://infosec.space/tags/IrDA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>IrDA</span></a> as a protocol could be repurposed as a diagnostics / link renegotiation channel and even as ultra-long-range / <a href="https://irdroid.eu/product/irdroid-usb-irda-transceiver-2/" rel="nofollow noopener" target="_blank">narrowband</a> & broadcasting (PtMP) solution (see <a href="https://infosec.space/tags/IrLAN" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>IrLAN</span></a>)… </p><p>Note that the maximum possible range achieveable under lab conditions will be way better than the real-world outputs, simply because not only does hunidity and rain exist, but where it doesn't (i.e. deserts) thermal stress and expansion is moving things out of optimal alignment over the day...</p><ul><li>And in a lab you don't have things potentially disturbing it.</li></ul>
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#irda
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Kevin Karhan :verified:<p><span class="h-card" translate="no"><a href="https://toot.cat/@riley" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>riley</span></a></span> Case in point, <a href="https://infosec.space/tags/IrDA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>IrDA</span></a> on optical bandwiths would work excellent for <a href="https://infosec.space/tags/DataExchange" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DataExchange</span></a> on <a href="https://infosec.space/tags/airgapped" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>airgapped</span></a> <a href="https://en.wikipedia.org/wiki/Air_gap_(networking)#Examples" rel="nofollow noopener" target="_blank">systems</a> with minimal risk of violating <a href="https://infosec.space/tags/TEMPEST" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>TEMPEST</span></a> <a href="https://en.wikipedia.org/wiki/Tempest_(codename)#Shielding_standards" rel="nofollow noopener" target="_blank">or similar standards</a>, thus making <a href="https://en.wikipedia.org/wiki/Red/black_concept" rel="nofollow noopener" target="_blank">RED/BLACK</a> seperation in various projects on mine simpler.</p><ul><li>Not to mention it's trivial to spoof or merely jam <a href="https://infosec.space/tags/wireless" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>wireless</span></a> <a href="https://infosec.space/tags/RF" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RF</span></a> like <a href="https://infosec.space/tags/NFC" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NFC</span></a>]<a href="https://en.wikipedia.org/wiki/Near-field_communication" rel="nofollow noopener" target="_blank">*</a> and thus denying the ability to use these, whereas it's harder to block a line-of-sight without being identified as root cause of it.</li></ul>
Kevin Karhan :verified:<p><span class="h-card" translate="no"><a href="https://toot.cat/@riley" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>riley</span></a></span> Also using <a href="https://en.wikipedia.org/wiki/Visible_light_communication" rel="nofollow noopener" target="_blank">visible light</a> for <a href="https://en.wikipedia.org/wiki/Free-space_optical_communication" rel="nofollow noopener" target="_blank">FSOC</a> avoids all the <em>"spectrum compliance"</em> and <em>"licensing"</em> issues whilst making it impossible to ban, unless one were to ban colour filters and lights!</p><p>Having access to said <a href="https://infosec.space/tags/specification" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>specification</span></a> for <a href="https://infosec.space/tags/IrDA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>IrDA</span></a> is also beneficial for <a href="https://infosec.space/tags/RetroComputing" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RetroComputing</span></a> as IrDA was a modestly successful tech and could thus be used for <a href="https://infosec.space/tags/bridging" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>bridging</span></a>...</p>
Kevin Karhan :verified:<p><span class="h-card" translate="no"><a href="https://toot.cat/@riley" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>riley</span></a></span> it's not just about being able to <a href="https://infosec.space/@kkarhan/114732579658800635" rel="nofollow noopener" target="_blank"><em>reimplement</em> the spec</a> which in terms of SIR is a trivial way to make <code>9600/8/N/1</code> half-duplex connections but also to read the <em>rationale</em> behind their decisions.</p><ul><li>Also being able to overcome the <a href="https://en.wikipedia.org/wiki/RONJA#Limitations" rel="nofollow noopener" target="_blank">limitations</a> of <a href="https://infosec.space/tags/RONJA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RONJA</span></a> and <a href="https://infosec.space/tags/IrDA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>IrDA</span></a> as systems (as far as possible) is desireable. </li></ul><p>(i.e. there are less sources of green and blue light in nature and water doesn't attenuate blue light even remotely as much as red, so there's that benefit)...</p>
Kevin Karhan :verified:<p><span class="h-card" translate="no"><a href="https://toot.cat/@riley" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>riley</span></a></span> The <a href="https://infosec.space/tags/IrOBEX" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>IrOBEX</span></a> standard is part of <em>the whole <a href="https://infosec.space/tags/IrDA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>IrDA</span></a> specification</em>...</p><p>The most interesting part is the <a href="https://infosec.space/tags/LowLevel" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LowLevel</span></a> stuff, cuz theoretically one could just apply that to any optical system ranging from consumer LEDs to Laser pointers to fiberoptical assemblies.</p><ul><li>But most importantly I do think that IrDA would work great at a diagnostics / negotiation system for the revised <a href="https://infosec.space/tags/RONJA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RONJA</span></a> PtP link that <span class="h-card" translate="no"><a href="https://mastodon.social/@stman" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>stman</span></a></span> is working on, aiming to do 100 Mbit/s Ethernet with cheap COTS parts. </li></ul><p><a href="https://en.wikipedia.org/wiki/RONJA" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">en.wikipedia.org/wiki/RONJA</span><span class="invisible"></span></a></p><p>As IR will be extremely quickly attenuated by the slightest amount of atmospheric moisture (aka. rain and fog) using visible light spectrum is an easier workaround.</p><ul><li>Plus that tech he's working on could yield a better short-range, contactless data exchange protocol where WiFi, and Bluetooth are not desireable and where passive security-by-design is desireable.</li></ul>
Kevin Karhan :verified:<p><span class="h-card" translate="no"><a href="https://mastodon.social/@stman" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>stman</span></a></span> <span class="h-card" translate="no"><a href="https://social.solarpunk.au/users/vidak" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>vidak</span></a></span> <span class="h-card" translate="no"><a href="https://cathode.church/@50htz" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>50htz</span></a></span> <span class="h-card" translate="no"><a href="https://masto.hackers.town/@theruran" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>theruran</span></a></span> <span class="h-card" translate="no"><a href="https://mastodon.net2o.de/@forthy42" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>forthy42</span></a></span> as for <em>"protocol"</em> I'd recommend to take a closer look at <a href="https://infosec.space/tags/IrDA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>IrDA</span></a> since there are a shitton of cheap transcievers and implementations available <em>and</em> it would allow this to be reused for a secure P2P data exchange and secure contactless networking solution that is inherently harder (if not basically impossible) to eavesdrop on compared to <a href="https://infosec.space/tags/Bluetooth" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Bluetooth</span></a> and <a href="https://infosec.space/tags/WiFi" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>WiFi</span></a>.</p><ul><li>Plus it'll be a potentially better alternative to <a href="https://infosec.space/tags/LiFi" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LiFi</span></a> for <a href="https://infosec.space/tags/Broadcast" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Broadcast</span></a> useage.</li></ul><p>Not to mention I've not seen any IrDA devices >4MBit/s in the wild, with most being 9600bit/s <a href="https://infosec.space/tags/serial" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>serial</span></a> links fir the most part, and having a direct optical data exchange that takes literal seconds instead of minutes would really have a lot of good use cases i.e. in medical fields, where having a fully sterilizeable computer is kibda important and having a docking cradle with a charging coil and optical <em>"port"</em> would really be appreciated.</p><p>In fact ITU G.9991 (G.vlc) & IEEE 802.11bb are worth looking into as well just to see advantages and disadvantages... </p><p><a href="https://en.wikipedia.org/wiki/IrDA" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">en.wikipedia.org/wiki/IrDA</span><span class="invisible"></span></a><br><a href="https://en.mikipedia.org/wiki/Li-Fi" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">en.mikipedia.org/wiki/Li-Fi</span><span class="invisible"></span></a></p>
Judeau (EatTheRich)<p>[5/6]<br>I then went to Gearmo’s webpage and downloaded their MCS7780 driver at <a href="https://www.gearmo.com/shop/fast-usb2-infrared-adapter/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">gearmo.com/shop/fast-usb2-infr</span><span class="invisible">ared-adapter/</span></a></p><p>I plugged in the Gearmo <a href="https://mas.to/tags/IrDA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>IrDA</span></a> dongle and opened Device Manager. I found it listed under “Other Devices.” I right clicked on it and selected “Properties.” I navigated to the “Driver” tab and clicked “Update Drivers.” </p><p>I then selected the driver I had just downloaded and a moment later the device was up and running!</p><p>Success!!!</p><p><a href="https://mas.to/tags/RetroComputing" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RetroComputing</span></a> <a href="https://mas.to/tags/PC" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PC</span></a> <a href="https://mas.to/tags/Windows" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Windows</span></a> <a href="https://mas.to/tags/WindowsMobile" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>WindowsMobile</span></a> <a href="https://mas.to/tags/WindowsCE" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>WindowsCE</span></a></p>
Judeau (EatTheRich)<p>[4/6]<br>Finding a compatible <a href="https://mas.to/tags/IrDA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>IrDA</span></a> dongle at a reasonable price is quite a challenge and most of them no longer have current working drivers.</p><p>Fortunately SCUBA divers use IrDA for a lot of their old devices and on the Scubaboard forum I learned at the heart of some IrDA dongles was a Moschip or Asix chip MCS7780 and there is a working driver for these.</p><p>I searched for a list of dongles that used this chip and found an old one by Gearmo for only 40 bucks on Ebay.</p><p><a href="https://mas.to/tags/RetroComputing" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RetroComputing</span></a> <a href="https://mas.to/tags/PC" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PC</span></a> <a href="https://mas.to/tags/Windows" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Windows</span></a></p>
Judeau (EatTheRich)<p>[3/6]<br>We have two objectives to get this going:<br>- Install the <a href="https://mas.to/tags/IrDA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>IrDA</span></a> stack.<br>- Find a compatible dongle with working drivers.</p><p>Let’s begin by installing the stack. It’s the easiest part and only takes a few minutes.</p><p>In <a href="https://mas.to/tags/Windows" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Windows</span></a> 10 open Settings and select System > Optional Features > Add a Feature. Now scroll down the list and select “IrDA Infrared” to install it.</p><p>After a few minutes it should be installed! Awesome! We are half way there!</p><p><a href="https://mas.to/tags/RetroComputing" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RetroComputing</span></a> <a href="https://mas.to/tags/PC" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PC</span></a></p>
Judeau (EatTheRich)<p>[2/6]<br>There is a lot of old and outdated information concerning <a href="https://mas.to/tags/IrDA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>IrDA</span></a> on Windows 10. It also does not help that the information is spread across all parts of the web. </p><p>For someone like me who had no experience with IrDA it was a massive amount of scattered information the sift through. </p><p>I want to thank everyone that helped me out and offered advice.</p><p>Hopefully having all of this info consolidated here will help others and ease efforts to keep these devices fully functional.</p>
Judeau (EatTheRich)<p>[1/6]<br>At the beginning of this year I set out with a goal to restore FULL <a href="https://mas.to/tags/PocketPC" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PocketPC</span></a> compatibility on a current <a href="https://mas.to/tags/Windows" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Windows</span></a> 10 <a href="https://mas.to/tags/PC" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PC</span></a>.</p><p>We outlined how to both establish a connection AND Sync here… <a href="https://mas.to/@Judeau/112678025590638375" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">mas.to/@Judeau/112678025590638</span><span class="invisible">375</span></a></p><p>We looked at different keyboards and how to transfer Word files while preserving formatting here… <a href="https://mas.to/@Judeau/112689361744308651" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">mas.to/@Judeau/112689361744308</span><span class="invisible">651</span></a></p><p>The last piece of the puzzle was restoring wireless <a href="https://mas.to/tags/IrDA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>IrDA</span></a> connectivity. </p><p>Spoiler alert: I got it!</p><p><a href="https://mas.to/tags/PDA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PDA</span></a> <a href="https://mas.to/tags/WindowsCE" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>WindowsCE</span></a> <a href="https://mas.to/tags/RetroComputing" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RetroComputing</span></a> <a href="https://mas.to/tags/Handheld" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Handheld</span></a> <a href="https://mas.to/tags/WindowsMobile" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>WindowsMobile</span></a></p>
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