@tomfleet

Hardware Developer @inMusicBrands Technical Writer @Hacksterio Mainly making things that make music.

 Cambridge, UK
Joined April 2007
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5.1KMedia
Laying out any project featuring a USART serial port.
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Interesting timing, because, see, this is maybe the only really viable option for a universal "tamper detection" system. jaseg.de/blog/paper-sampling…
Michael W.
@MichaelskywalOct 15
1/16 You can see inside a circuit board without cutting it open. Send a fast step into a USB port and listen for the echoes. Every bump is a spot where the layout changes, and its delay says where. That's TDR, radar for PCBs. I simulated it on a real Raspberry Pi board 🧵
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Man, potato waffles have changed up the look of things in recent years.
Yashiro
@yashiro_ldSep 27
わ、わぁ🤤
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oh...
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This is a fun little board. NRF52 MCU, a RGB LED, white led with a colour sensor, and what I'm pretty sure is a BMA253 accelerometer. Had DeepSeek whip up a web serial interface over BLE, to poke about, and have most of the features working.
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It's from a product made by @Sphero, called Specdrums. The idea is you tap the device on a coloured pad, and the sensor gives a nearest match reading within a preset pallete. Long discontinued, I got DeepSeek to decompile the old apps libraries, and got it talking.
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With batteries long swollen, and all product support long gone, seemed like a fun use of an evening to start picking the black box apart, just because it was easier than beeping out the schematic!
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Need some help from the hive mind, please gang? Does anyone recognize this connector system? 2mm pitch, with these red clips, that can be placed as a unique keying system (aka TPA - "terminal positioning assurance") . Any suggestions on a MFG / something compatible would be greatly appreciated!
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Could we please not use the EAS for stuff that would be better delivered as a bullet point on a BBC evening news? Pretty stupid to risk getting anyone at all desensitized to the sound of "oh shit here come the nukes!"
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that looks more like a dry roast to me, maybe a broil.
saraaaaaaa 💽
@saraaa7447Aug 13
I think I literally fried my CPU
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Another reason why the British plug reigns supreme - you can't do stuff like this with it. (And thus, your average person now require one less loicesnse)
cursed_connectors
@cursedconnectorAug 1
Fun factoid #38373: this is actually what the holes in the US plug prongs are for! -10 points for fumbling the heatshrink though.
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Missed a trick by not calling this egregious. Would have looked nice in type next to Juicero on the shelf.
Ritwik Pavan
@ritwikpavanJul 30
NEW: Cheffy just launched a robot that cracks and cooks your eggs. Egor automates breakfast by cooking eggs 7 ways, while Toastr syncs your toast so everything finishes together. -Automatically cracks eggs with no shells or mess -Cooks eggs 7 ways, from sunny-side up to hard boiled -Makes up to 2 fried eggs or 6 boiled eggs at once -Schedule breakfast ASAP, on a timer, or for a specific time -Steam-finishes over-easy, over-medium, and over-hard eggs without flipping -Toastr syncs toast timing with the eggs Bundle priced at $349.
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in my defence, I naively assumed this would be a lot easier to put into pictures than it was. also, totally unrelated, if you want to crash a background remover, throw a Klein bottle, or some other non-orientable surface at it.
Mathieu
@miniapeurJul 26
another day at the topological factory
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where-is-the-fucking-patchbay.jpg
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Brian Roemmele
@BrianRoemmeleJul 24
Testing out my HAL 9000. Interesting…
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Please keep the "vision" models away from pharmaceutical application's. Pill counting is a long, long done thing. It does not need, nor should consider the implementation of anything not absolutely deterministic. youtu.be/95PBMcPgkvE?t=78
SkalskiP
@skalskip92Jul 10
GPT 5.6 Sol is the best "vision" model OpenAI ever released massive gains in object detection and counting. still very strong in OCR ↓ deep GPT 5.6 dive
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Good Faces@good_faces_botJul 23
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just me?
Retro Tech Dreams@RetroTechDreamsJul 22
NASA's Virtual Interface Environment Workstation (VIEW) from 1985
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Alright if we can figure out conductive filament enough to get a suitably conductive path to allow this to work... You could be using a multi-material printer to embed the sensing array within the print body!
Christian Holz
@cholzJul 22
Come to our #SIGGRAPH2026 talk today: Our method turns existing 3D objects into multi-touch sensors, without modifying the interior. From a scan, we sample surface-intrinsic curves that conform to mutual-cap layouts, and optimize their intersections for coverage & fabrication.
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There will be *questions* when we see the development of the Evolved Magnetics field of research, and get told that the perfect magnet actually has like 7 sides. en.wikipedia.org/wiki/Evolve…
Yashiro
@yashiro_ldJul 22
Replying to @lyuka_jp
論文から読める範囲では、非一様有理基底スプライン（NURBS）を設計変数にした最適化計算の数値解という感じですね👀COMSOL使ってるっぽいです👀
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