The Last Psion | Alex1d ago

Some #Psion news! #plptools, the open source suite of programs for transferring files to and from #EPOC16 and #EPOC32 devices, has some additional maintainers: @captfab, @jbmorley ... and me!

We're looking into how we can take the project into the future. We do have some ideas, but we're taking a considered approach to future development.

plptools currently runs on Linux and macOS (and possibly FreeBSD, NetBSD, Solaris, AIX and HP-UX, although these haven't been tested in a while). I've started work on porting it to #HaikuOS.

The repo has been moved to a new GitHub organisation, which you can find here. https://github.com/plptools/plptools

#retrocomputing

GitHub - plptools/plptools: Tools for connection to EPOC devices

Tools for connection to EPOC devices. Contribute to plptools/plptools development by creating an account on GitHub.

GitHub
keithpound1d ago

Day 4: nostalgia

My collection of Psion PDAs from the 19080s and 1990s. I also had a Revo, but that died years ago….

#mbjune #psion #retrocomputing 📷

Show threadMichael Horne3d ago
@rpimag Printed my "all in one" #Psion Pi project case, and just need to get everything (Pi 3A+ included) transferred over. In the meantime, been 3D printing a model of our community theatre and toying with attaching Pico-controlled lamps to light it 🙂
The Last Psion | AlexMay 28

Just wrote a quick update to my blog post about using #Psion kit with #RS232 USB adapters.

I've added information about the FTDI FT232R adapter. Interestingly, it works fine with PsiWin 2.3 (usually very picky) but MCLINK in @DOSBox_Staging really doesn't like it.

The PL2303TA-based UGREEN serial adapter is still my RS232 adapter of choice. Be warned, though, as Promise have officially discontinued the chip.

https://hackaday.io/project/161291-the-last-psion/log/222358-usb-rs232-shenanigans-updated-2025-05-28

#retrocomputing

USB RS232 Shenanigans (Updated 2025-05-28) | Details | Hackaday.io

<p>I spent some time today testing out a couple of RS232 adapters with various bits of Psion software. I wanted to write a quick summary of what works and what doesn't.<strong></strong></p> <table><thead><tr><th>Software</th><th>CH340</th><th>PL2303TA</th><th>PL2303RA</th><th>FT232R</th></tr></thead><tbody><tr><td>plptools (Linux)<br></td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td></tr><tr><td>PsiWin 2.3 on XP in VirtualBox (adopted USB)<br></td><td>Yes</td><td>Yes</td><td>No</td><td>Yes</td></tr><tr><td>PsiWin 2.3 on XP in VirtualBox (via virtual serial)<br></td><td>Not tested<br></td><td>Yes</td><td>No</td><td>Yes</td></tr><tr><td>PsiWin 1.1 on XP in VirtualBox (via virtual serial)<br></td><td>Not tested<br></td><td>Yes</td><td>Yes</td><td>?</td></tr><tr><td>MCLINK or SDBG in DOSBox Staging<br></td><td>Unreliable</td><td>Yes</td><td>Yes</td><td>No</td></tr></tbody></table> <h1>Notes</h1> <h2>CH340</h2> <p>Seems to work in most places, but DOSBox and DOSBox Staging are very unreliable with it. It's very cheap and up until recently was what I recommended, but as I've tried to use SDBG for debugging on real hardware, I've needed something more reliable.</p> <h2>PL2303TA</h2> <p>Great all-rounder so far! I've been using an adapter by UGREEN with this chip in, and it's been solid.</p> <p>There's just one problem. Prolific discontinued the chip in 2020. Getting drivers to work in newer versions of Windows is a pain. This won't affect you if, like me, you're not running anything newer than Windows 7. Modified versions of older drivers are out there to make the adapter work on Windows 11. Also, stocks will probably run out in the not-too-distant future. Linux, of course, works fine with it.<br></p> <h2>PL2303RA</h2> <p>I really wanted this to work with everything. You

DnDFanaticsMay 28
Prepare to have your mind blown as we dig into the new D&D Psion class that's just been released in the latest Unearthed Arcana Playtest. https://dungeonsanddragonsfan.com/new-dnd-psion-class/ #dnd #dnd5e #dnd2024 #dungeonsanddragons #dungeonsanddragons5e #dungeonmaster #psionics #psion #wizardsofthecoast #wotc #dndbeyond #UnearthedArcana #ttrpg #TTRPGCommunity
Michael HorneMay 26
#Psion Pi project is now in ONE part as this Bambu A1 is so fast it prints out in 4.5 hours rather than 21 hours which is what Cura and Ender 3 was coming out at. #3dprinting
Show threadsmallsolarMay 18

@computersandblues @danielquinn

The solarcene system now hosts a mastodon server, gitea server, torrent client, a storage server for the #psion community, sensor network and also during the summer my #hydroponics setup! (I obviously have a lot more power during the summer (often 800-1000Wh) then in the winter (some days 50Wh)

Show threadMichael HorneMay 6
@rpimag Finished the #3dprinting of my #Psion Pi case. Just need to fix the two halves together! Raspberry Pi 3A+ under the hood. #makermonday
Show threadMichael HorneMay 3
Beauty shot. Fully assembled. Slight issue with the top insert. It's not thick enough, I think. Printing it thicker will make it less flexible, I reckon. #Psion Pi.
Show threadMichael HorneMay 3
Mid assembly of the #Psion Pi project