kermmartian.z80.me - Profile | ThreadSky | a Reddit-style client for Bluesky

What do you do when you want to build a train dashboard, but you don't have a train to measure? You figure out how to parse an obscure 3D model format, derive the planes the buttons lie in, and build a papercraft prototype. z80.me/blog/tsc-das...

submitted 33 days ago • 0 comments

yes this is a Lego flex. IYKYK

submitted 38 days ago • 0 comments

Okay, that works, and the RS-422 interface spits out...something. Now how do I talk to you?

submitted 38 days ago • 0 comments

Your mission, should you choose to accept it: vote for your favorite Cemetech graphing calculator software project of 2024: www.cemetech.net/news/2025/1/... . You have plenty of options, including games, programming tools, math apps, and shells.

submitted 39 days ago • 0 comments

Am I taking crazy pills?

submitted 56 days ago • 1 comment

submitted 61 days ago • 0 comments

No thank you, we don't do that here.

submitted 64 days ago • 0 comments

Reverse-engineering, CAN bus sniffing, anticompetitive practices, and trains? How the whitehats who fixed Poland's broken trains as widely publicized earlier in the year did it: media.ccc.de/v/37c3-12142...

submitted 65 days ago • 0 comments

Caturday: the more shy of our two void kittens briefly being social (on a graphing calculator pillow).

submitted 67 days ago • 0 comments

It's quite flattering when one of the three "Godfathers of AI" (who also partially advised my Master's thesis) calls a graphing calculator project of mine "pointless-but-heroic": www.linkedin.com/posts/yann-l...

submitted 70 days ago • 0 comments

I recently finished documenting a project to identify handwritten digits directly on the TI-84 Plus CE. Draw digits with a mouse, and in 18 seconds, a CNN running on the ez80 CPU classifies them. Video (excuse the clickbait title): youtu.be/olcZdTRdnQg ; technical details: z80.me/blog/calcula...

submitted 76 days ago • 1 comment

My new monitor has arrived...

submitted 84 days ago • 1 comment

If you feel like we just posted a Projects of the Month, you're not wrong - but Cemetech's news editors were efficient with November 2024. Projects included games, math tools, a physics simulation, and even a shockingly powerful 3D renderer. November's projects: www.cemetech.net/news/2024/12...

submitted 88 days ago • 0 comments

Zephyr (left) and Acela have joined our lives and promptly made them significantly better. #cats

submitted 90 days ago • 0 comments

"Do you prefer metal or Java?" Nanowar of Steel: "Yes." github.com/NanowarOfSte...

submitted 92 days ago • 0 comments

Another Black Friday, another reminder to check camelcamelcamel.com to see that nothing is actually a deal any more.

submitted 97 days ago • 0 comments

Including my Graph3DC! Great job to the programmers and hackers of the graphing calculator community for another productive month.

submitted 99 days ago • 0 comments

Thanks to the DC chapter of the National Railroad Historical Society, I enjoyed an in-depth tour of Amtrak's Ivy City maintenance facility. I was particularly struck by the pride the folks there expressed in the quality and speed of their work and its importance in keeping the railroad running.

submitted 108 days ago • 0 comments

It's certainly a choice to say your name, credit card details, and zip code on speakerphone on a crowded Amtrak train. If that guy's credit card gets stolen, I'd start with his fellow passengers.

submitted 116 days ago • 0 comments

submitted 118 days ago • 0 comments

The rest of the world to the US, probably.

submitted 121 days ago • 0 comments

I'm porting a 3D graphing program I wrote for another platform to the ez80 TI-84 Plus CE; among today's progress was switching graph color themes to palette-swapping. Recalculating per-point RGB values and converting to RGB332 is now an instant change.

submitted 132 days ago • 1 comment

Cemetech's Minecraft 1.21+ survival server will be launching tomorrow, October 12th, at mc.cemetech.net. Come explore and build bases, cities, and machines with Cemetech! www.cemetech.net/news/2024/10...

submitted 146 days ago • 0 comments

Metro North kindly opened up their Croton Harmon facility for a great open house yesterday, a previously annual event of which I have fond childhood memories. #trains #metronorth

submitted 151 days ago • 0 comments

I hope the fx-CG100 has programmability that the released French version lacks: I would be highly disappointed if you could no longer program the Casio Prizm in C!

submitted 159 days ago • 0 comments

Today in rare #calculators that have joined my collection: a TI-Nspire CAS+ prototype, similar to the TI-Nspire CAS that was released in 2007. I'm glad they reworked the center "joystick". www.datamath.org/Graphing/NSp...

submitted 189 days ago • 0 comments

People waiting for an NYC->Boston flight make me irrationally angry, when travel from NYC to JFK + security + boarding + the flight + deplaning + travel from BOS to Boston is not only infinitely worse than just sitting on an Amtrak #train, but is also slower.

submitted 194 days ago • 0 comments

In my ongoing quest to build a #train #simulation rig, here's Part 1 of how a real power/brake controller from a UK Class 365 passenger train is making its way into my rig: z80.me/blog/tsc-pbc...

submitted 196 days ago • 0 comments

Another Projects of the Month: Cemetech's programmers worked on impressive graphing calculator and computer software in July. Check 'em out: www.cemetech.net/news/2024/8/...

submitted 202 days ago • 0 comments

It has been two years since I last posted one of these: if you (or your kid) needs a graphing calculator this year, here's what I recommend: www.youtube.com/watch?v=E_wa... #calculator #backtoschool #edtech

submitted 215 days ago • 1 comment

My UK Networker power/brake controller is now here (in bits), and I have the fun challenge of reverse-engineering the connections to its massive 48-pin milspec connector. www.cemetech.net/forum/viewto...

submitted 221 days ago • 0 comments