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Mäh W.

@maehw@chaos.social
mastodon 4.5.15
  • Open on chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

430 Followers
833 Following
50 Posts
Joined May 02, 2021

Posts

Open post
maehw
Mäh W. @maehw@chaos.social · Jul 04, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social

Anyone in Europe got a spare Tag Connect TC2050-IDC-NL they'd sell to me? When new, they seem to cost a fortune. Ali* also does not seem that cheap.

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maehw
Mäh W. @maehw@chaos.social · Jun 30, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social

Auch thematisch anknüpfend an meinen letzten Toot zu einem Vortrag vom einem Chaos-Event — Sehe zeitnah mal dazu gekommen, einen Talk von der #gpn24 nachzuschauen:

https://media.ccc.de/v/gpn24-452-kindgerechte-systemarchitektur-die-open-source-musikbox-tonberry-pico / https://cfp.gulas.ch/gpn24/talk/BBRNHH/

"Kindgerechte Systemarchitektur: Die Open Source-Musikbox “TonBERRY picoTonieboxen sind beliebt, zwingen aber in ein geschlossenes Ökosystem. Der TonBERRY pico ist ein freier und quelloffener Nachbau auf Basis des Raspberry Pi Pico W. In diesem Talk zeigen wir (...)”

Empfehlenswert!

chaos.social

chaos.social

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Open post
maehw
Mäh W. @maehw@chaos.social · Jun 30, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @maehw@chaos.social
Mhhh. mitmproxy actuality works.
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Open post
maehw
Mäh W. @maehw@chaos.social · Jun 30, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @maehw@chaos.social
Okay, at least the app did not get an update, so there's no other way than pulling the update from the Bilbo backend. Unless, it has been embedded already but only needed to be officially released... which is unlikely. I'd love to see someone diving into the relevant API calls and finding it out for us. https://chaos.social/@maehw/116613723290758508
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Open post
maehw
Mäh W. @maehw@chaos.social · Jun 30, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Oh noes, what have they done? Better sounds for the Star Wars sets? Initial sounds for the upcoming Pokemon sets? Enabled the microphone? Will the firmware be downloaded from the Bilbo backend — or did they integrate another assets file into the APK? Finally, OTA could be sniffed (BLE-wise), I guess. #LEGO #SmartPlay #SmartBrick #reverseEngineering #ble #Android #apk
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maehw
Mäh W. @maehw@chaos.social · Jun 06, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social

I found the opposite of Palantir.

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Open post
maehw
Mäh W. @maehw@chaos.social · Jun 04, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social

#gpn24 fomo. Wäre dieses Jahr sehr gerne das erste Mal auf die #gpn gekommen, aber es gab leider eine zeitliche Überschneidung. Viel Freude allen, die teilnehmen können.

chaos.social

chaos.social

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Open post
maehw
Mäh W. @maehw@chaos.social · Jun 04, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @maehw@chaos.social
»(...) none of this is permanent: The power boost from training only lasts until the Smart Brick is removed from that pokémon (or its battery dies), so you can’t train up a squad over time.« — So technically, this reads like training experience must be stored in the brick"s RAM. However, there'd be potential to store it in the brick's external SPI flash. "Lego’s Smart Play Pokémon can train and battle, but don’t do the one thing I wish they could" — https://mastodon.social/@verge/116680792649219507
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Open post
maehw
Mäh W. @maehw@chaos.social · Jun 04, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social

Oh, I had expected #LEGO to make it official next month, but they already did: after Star Wars, Pokémon is the next theme with #SmartPlay features. 12 sets ready to pre-order. "Cheapest" 'all-in-one' (imem including the #SmartBrick) set is 'Training House with Pikachu' for $69.99, "cheapest" 'compatible' is 'Jigglypuff Concert' for $14.99. If you have money and love Pokémon, there's 'Venusaur, Charizard and Blastoise' for $649.99 — no Smart Play.

https://www.lego.com/en-us/themes/pokemon

#Pokemon #SmartBrick

chaos.social

chaos.social

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Open post
maehw
Mäh W. @maehw@chaos.social · May 16, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @RueNahcMohr@infosec.exchange
@RueNahcMohr@infosec.exchange @infosecdj@infosec.exchange might be as the brick does have a microphone and a loudspeaker both connected to the ASIC as it seems.
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Open post
maehw
Mäh W. @maehw@chaos.social · May 16, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @ibigfoot@chaos.social
@ibigfoot@chaos.social @lisa@social.telemetrydeck.com @stadtaugsburg@mastodon.social gibt's den Podcast auch frei als Link für den Podcatcher?
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Open post
maehw
Mäh W. @maehw@chaos.social · May 08, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social

Silicon die shots of the #LEGO #SmartBrick appeared! Thanks @infosecdj@infosec.exchange for the amazing work!

@infosecdj@infosec.exchange

chaos.social

chaos.social

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Open post
maehw
Mäh W. @maehw@chaos.social · May 08, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social

Hallo zusammen. Ich würde gerne ganz legal zwei #Fotos von #Shutterstock kaufen, habe aber keinen Account und kein Abo — und möchte das für zwei Fotos auch nicht. Hat von euch wer und würde mir gegen Geld zwei Fotos von deren Kontinent abdrücken können? Nicht für Print sondern Web benötigt bzw. auch eine öffentliche Präsentation mit Aufzeichnung.

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Open post
maehw
Mäh W. @maehw@chaos.social · May 06, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @c0c0bird@chaos.social
@c0c0bird tolles Foto! Dachte erst, das sei gezeichnet.
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Open post
maehw
Mäh W. @maehw@chaos.social · May 06, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @BR24@ard.social
@BR24@ard.social *fremdschäm*
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Open post
maehw
Mäh W. @maehw@chaos.social · May 06, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @dd0ul@mastodon.radio
@dd0ul@mastodon.radio @BR24@ard.social erzähl‽
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Open post
maehw
Mäh W. @maehw@chaos.social · May 02, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @leinelab@chaos.social
@leinelab genial! 😀
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Open post
maehw
Mäh W. @maehw@chaos.social · Apr 29, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social

Maybe, there's some other folks using the #Saleae logic analyzers here (or their UI + decoders aka analyzers). So I thought, I could share this question here as well:

🧵 ❓ "Adding a missing SPI chip select signal / decoding a single device without CS"

https://discuss.saleae.com/t/adding-a-missing-spi-chip-select-signal-decoding-a-single-device-without-cs/3714

#logicAnalyzer #hardwareHacking #spi

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maehw
Mäh W. @maehw@chaos.social · Apr 28, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @maehw@chaos.social
The MOSI_or_MISO and MISO_or_MOSI labelling of the channels is obsolete btw. It's perfectly clear which one is which. 🤓
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maehw
Mäh W. @maehw@chaos.social · Apr 28, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social

Some day I will find more time to look at the logic analyzer traces of #LEGO #SmartBrick. While the extension "SPI Flash" by Adafruit did not work, "SPI Memory Analyzer" by Thomas Poms does a good job in decoding the communication with the Winbond SPI flash. In the current trace I've only seen 'Read Data' (0x03) and two "unknown" commands which the HLA is unable to decode: "Power-down" (0xB9) and "Release Power-down" (0xAB). Makes sense to me as the ROFS (read-only filesystem) serves assets.

chaos.social

chaos.social

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Open post
maehw
Mäh W. @maehw@chaos.social · Apr 28, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @badger3@troet.cafe
@badger3 geht gar nicht.
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maehw
Mäh W. @maehw@chaos.social · Apr 26, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @rrwo@infosec.exchange
@rrwo That's the idea. 😆
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Open post
maehw
Mäh W. @maehw@chaos.social · Apr 24, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @greg@icosahedron.website
@greg @0xKaishakunin still works for me. At least this looks like some script.
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Open post
maehw
Mäh W. @maehw@chaos.social · Apr 23, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social

Woohoo, jetzt wird es "ernst". 😃

>Hi! Wir freuen uns dir mitzuteilen, dass wir deine Einreichung “Hacking LEGO Smart Play – was steckt hinter den „magischen Steinen“?” für
TDF5 akzeptiert haben.

Gerne Input im Vorfeld, falls es wünsche gibt. 🙃

#tdf5 #hacking #LEGO #SmartPlay #SmartBrick

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Open post
maehw
Mäh W. @maehw@chaos.social · Apr 22, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @maehw@chaos.social
Or maybe .docx and .xlsx. 🫠
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maehw
Mäh W. @maehw@chaos.social · Apr 22, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social

Top level domains .exe, .bin, .json — when?

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maehw
Mäh W. @maehw@chaos.social · Apr 20, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social

Is there a chance anyone here has a EMDVK9305SOC — an eval board for the EM Microelectronic EM9305 ("em | bleu") Bluetooth microcontroller/SoC which they don't need anymore? Or a logic analyzer trace of the SPI HCI programming (and optionally also including the UART of the USB/serial interfaces) the NVM with some blinky example using `blengine`?

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maehw
Mäh W. @maehw@chaos.social · Apr 19, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @fluepke@chaos.social
@fluepke Hatte die Idee auch schon. Und auch angefangen mit der Umsetzung. Inspiriert von https://github.com/Staacks/gbinterceptor — liegt vielleicht sogar noch lokal auf einem Rechner. Weil scheinbar nichts veröffentlicht. Kann mich aber an den Stand nicht mehr erinnern. Vermutlich eines von vielen unfertigen Projekten.
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maehw
Mäh W. @maehw@chaos.social · Apr 17, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @maehw@chaos.social
Looks like I will try my best with Perfetto, its Protobuf format and the Python library. I was able to play around with it and it seems to prove at least the basics that I need. And it feels very convenient so far. 8/
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maehw
Mäh W. @maehw@chaos.social · Apr 16, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @maehw@chaos.social
Oh, I remember that I have seen this one before: WaveDrom (https://wavedrom.com/tutorial.html) But I'd say this is for short digital signal snippets only. And seems to require synchronous data and not something timestamp-based. 7/
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maehw
Mäh W. @maehw@chaos.social · Apr 16, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @maehw@chaos.social
Finally found am example for the static state diagram thingie. My states would have names instead of numbers. But the core idea is represented. 6/
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maehw
Mäh W. @maehw@chaos.social · Apr 16, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @maehw@chaos.social
MathWorks' Simulink also seems to have a nice Logic Analyzer. Best case an existing tool is FLOSS... 5/
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maehw
Mäh W. @maehw@chaos.social · Apr 16, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @maehw@chaos.social
Saleae Logic is another great tool — to display digital (binary; high/low) and "analog" waveforms. And markers... which comes closer to what I need for events but basically for single channels only. It has a nice UI where it can blend in decoded data. I guess I want things from various worlds. 4/
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maehw
Mäh W. @maehw@chaos.social · Apr 16, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @maehw@chaos.social
For the state timeline.. as mentioned before: I don't want to visualise tasks that can be ready/blocked, waiting, sleeping, idle, ... — I need completely arbitrary state enums per state variable. PlantUML offers a lot of flexibility, but I'd need to break down the time scale to many snippets and stitch them together. But what to use for the waveform? And Perfetto UI trace viewer seems to be made for processes, too. I've also got some VHDL testbench viewer in mind, but can't recall any name. 3/
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maehw
Mäh W. @maehw@chaos.social · Apr 16, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @maehw@chaos.social
For the static view as in classical UML state diagram. But the transitions more like from a "Sankey diagram" to get a feeling how likely one state is followed by another. And I need this for all states of my system. 2/
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maehw
Mäh W. @maehw@chaos.social · Apr 16, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social

Hi! I an looking for help on visualising multiple system states of a complex distributed system over time. I don't want to reinvent the wheel if I don't have to. I want to visualise arbitrary system states — not only OS tasks. And additionally, also event data and waveform data. I want to zoom into the data on the timeline. I'm addition to the time dimension, another view with the state transitions seen works be great – with transitions arrow thickness being weighed by frequency.

:BoostOK: 🧵
1/

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maehw
Mäh W. @maehw@chaos.social · Apr 13, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @balloob@fosstodon.org
@balloob no waaaaaay! 😄🙃
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maehw
Mäh W. @maehw@chaos.social · Apr 11, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @whitequark@social.treehouse.systems
@whitequark the big one is the custom ASIC and the other one should be the external flash. Do you know about https://github.com/nanash1/smart_brick ? I think they did a great job and this way I didn't have to beep out the PCB myself. Expect for the missing CS line maybe. BTW, when I read the SoC's datasheet, I wondered why they had external flash at all if it already has half a Megabyte internally. Firmware got too big? Guess we'll see soon.
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maehw
Mäh W. @maehw@chaos.social · Apr 11, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @whitequark@social.treehouse.systems
@whitequark yeah, I'd love to see that being done. What's your plan of how to do it? I think you'd need to un-power or desolder the Bluetooth SoC as this one connects the the CS signals and hence should be the bus master. Or desolder the flash? It's so teeny tiny... I can't do it. You could have it from my second PCB.
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maehw
Mäh W. @maehw@chaos.social · Apr 11, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @whitequark@social.treehouse.systems
@whitequark someone had identified it as a Winbond SPI flash (to be confirmed, I guess).
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maehw
Mäh W. @maehw@chaos.social · Apr 11, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @maehw@chaos.social
@whitequark You'll probably also try to power it with a DC power supply instead of the battery, right?
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maehw
Mäh W. @maehw@chaos.social · Apr 11, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @whitequark@social.treehouse.systems
@whitequark Great to see that you got yourself a #LEGO #SmartBrick. Curious to know what set you got yourself. And eben more curious if you can get JTAG working... or find the relevant test pins. Yesterday, I started sniffing the SPI bus. Unfortunately, the ASIC Chip Select pin was not identified in the test pad matrix when I last looked up published schematics.
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maehw
Mäh W. @maehw@chaos.social · Apr 09, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @blinry@chaos.social
@blinry also been there last summer. A great place, indeed! https://chaos.social/@maehw/115010881143545672
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maehw
Mäh W. @maehw@chaos.social · Apr 06, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @hackmas@chaos.social
@hackmas in eurem Profil steht "Tickets? TBD" btw 😉
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maehw
Mäh W. @maehw@chaos.social · Mar 20, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @acsawdey@fosstodon.org
@acsawdey @infosecdj independently had the same thought!
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maehw
Mäh W. @maehw@chaos.social · Mar 06, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @adafruit@fosstodon.org
@adafruit@fosstodon.org nice work! What tools did you use for your analysis? I am looking forward to your further work, i.e. "What We Didn’t Capture". Especially smart tag contents and the brick-to-brick protocol. #LEGO #SmartPlay #SmartBrick #ReverseEngineering #HardwareHacking
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maehw
Mäh W. @maehw@chaos.social · Feb 11, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Woohoo! My DiyIrTower PCBs have arrived! ("Do-it-yourself infrared serial communication tower (compatible with LEGO IR serial tower)") See also: https://github.com/maehw/DiyIrTower https://github.com/maehw/WebPBrick/ #WebPBrick #KiCad #OpenHardware #electronics
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maehw
Mäh W. @maehw@chaos.social · Jan 29, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @stacksmashing@infosec.exchange
@stacksmashing@infosec.exchange @tavisco@bolha.us kind of funny that 16 byte width seems to be the expected default (yes, it makes sense address-wise; but could also be 32 bytes, etc.).
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maehw
Mäh W. @maehw@chaos.social · Jan 28, 2026
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @stacksmashing@infosec.exchange
@stacksmashing@infosec.exchange do you have an idea why there is an additional external flash even though there's alway 1 MByte of flash in the uC itself... which may be harder to access than dumping an external flash?
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maehw
Mäh W. @maehw@chaos.social · Dec 05, 2025
Mäh W.
@maehw@chaos.social

👨‍💻 I am interested in wired & radio communication, DSP, (embedded) software dev & engineering, FOSS, reverse engineering, IT security, space, programmable and non-programmable bricks, old and new computer technology, robots, machine embroidery & other things. Living in 🇩🇪. Speaking 🇩🇪/🇬🇧/💻 and understanding a little bit of 🇫🇷.

chaos.social
Replying to @Matrix11@chaos.social
@Matrix11@chaos.social @FabLabMuc@muenchen.social nice. How did you cut the foam? With a laser or a hot wire or something else?
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