Jon Jones
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jon-jones.bsky.social
Jon Jones
@jon-jones.bsky.social
110 followers 330 following 74 posts
General lurker on social media. Partial to science, technology, trains, London tube & vintage/retro computers. (Z80 is my cat nip) Not worth following.

Honestly: Don't follow me!

He/Him
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jon-jones.bsky.social
My Harlequin is finally working!
November 1, 2025 at 7:02 PM
jon-jones.bsky.social
Mine have arrived✅
Front covers of C64Reloaded's Spectrum & Amstrad 2026 calendars.
October 31, 2025 at 10:00 PM
jon-jones.bsky.social
Another successful build! Plasmode's Z280 board! #rc2014 #z80 #z280
Z280 SBC with Rc2014's LCD module showing the system has booted in RomWBW. Text output of Z280 SBC booting into RomWBW
October 25, 2025 at 6:41 PM
jon-jones.bsky.social
Do mighty trees grow
Assembler Tynemouth Minstrel 4th computer on blue silicone soldering matt. Photo of TV screen showing the power on screen of the Tynemouth Minstrel 4th. The on screen text text says: "ZX81 BASIC FOR MINSTREL 4TH V1.4"
October 5, 2025 at 3:47 PM
jon-jones.bsky.social
From tiny acorns...
Tynemouth Minstrel 4th PCB and all the discrete components laid out on a blue silicon soldering mat.
October 5, 2025 at 3:45 PM
jon-jones.bsky.social
2 more Dino Boards built. EZ80 & 2MB linear memory. #rc2014
Dino Boards EZ80 board assembled with empty chip sockets. Dino Boards 2MB linear memory module assembled with empty chip sockets.
August 16, 2025 at 8:20 PM
jon-jones.bsky.social
@freeze-zx.bsky.social
Rear of a cardboard A5 envelope with a small "Thank you❤️" sticker over the flap. Front cover of new FreeezeZX magazine
August 7, 2025 at 12:30 PM
jon-jones.bsky.social
And now all the sockets in place. I *think* That's all the soldering done.
Harlequin 128 board with all components & IC sockets soldered. IC sockets are all unpopulated.
August 1, 2025 at 12:11 PM
jon-jones.bsky.social
And all the resistors are correctly oriented.
Part of the Harlequin PCB showing the resistors all oriented the same way. Another part of the Harlequin PCB showing the resistors all oriented the same way.
July 31, 2025 at 7:47 PM
jon-jones.bsky.social
I spent a lot of time getting those transistors aligned!
Close up of a row of 8 transistors on the Harlequin 128 board. The transistors are neatly aligned.
July 31, 2025 at 7:44 PM
jon-jones.bsky.social
Half way through building a Harlequin:
Harlequin 128 PCB kit from Byte Delight half assembled. The IC sockets are all missing but all other components are installed.
July 31, 2025 at 7:42 PM
jon-jones.bsky.social
And the resistor staircase wasn't too hard at all!
Image of resistor staircase on rc2014 mini picasso
April 19, 2025 at 4:04 PM
jon-jones.bsky.social
Good news: Built my rc2014 MiniPicasso! #rc2014
Assembled images of rc2014 mini picasso
April 19, 2025 at 4:03 PM
jon-jones.bsky.social
Also bought the Picasso #RC2014 kit from Z80Kits. I selected "Lucky Dip" for the colour: I wonder which one I've got!
Z80 Kits Picasso module still in its delivery packaging.
April 10, 2025 at 7:35 PM
jon-jones.bsky.social
Mine's arrived! Thank you!
Picture of back page of Amstrad CPV themed calendar showing all 12 pictures.
December 20, 2024 at 1:53 PM
jon-jones.bsky.social
Rosco M68k classic board built and successfully booted. Serial terminal showing Rosco 68k classic booting and starting Enhanced Basic
December 7, 2024 at 9:22 PM
jon-jones.bsky.social
I bought a Rosco 6502 board in their Black Friday sale. Couple of hours of soldering and it works first time.
Boot output of Rosco 6502 board Rosco 6502 board up and running
December 7, 2024 at 2:30 PM