Travis Goodspeed
@travisgoodspeed
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Merchant of Dead Trees and Licensed Proselytizer of the Gospel of the Weird Machines with Pwnage, PoC, and Secular Rock.
Ain't no place I'd rather be.
Joined October 2009
Howdy y'all! In this friendly little tweety-box thread, I'd like to share my new project with you. It's called the GoodWatch, and it will be next month at Shmoocon. 1/n
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I have a custom TLS/HTTPS client that I expect is vulnerable to something, but I don't pay enough attention to TLS to know exactly what. Is there an HTTPS server that I can query, which would test the client and give me some leads on which problems might be exploitable?
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New writeup for #BGGP6 !! What's the smallest Wireshark dissector? What's the most annoying Wireshark dissector? Find out here: https://t.co/VMlMXuGXsz
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Norberto Collado has completed v1 of the FujiNet WiFi Adapter hardware card for #Heathkit #H89 systems. Now to bring-up the firmware and software. #retrocomputing
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Oh, and as I mentioned elsewhere, the hardcover is on sale on Amazon for only $14 which I think is quite a bargain!
amazon.com
Science Comics: Computers: How Digital Hardware Works
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As I've mentioned elsewhere, I have a book coming out today. Some of you may be wondering, “why the hell would anyone write a comic book about computer architecture?” As it happens, I did a talk at a small conference a few months ago explaining why. https://t.co/DAGxoDounV
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I hacked the Nokia Beacon router and it was really educational across multiple hardware hacking techniques!
spaceraccoon.dev
The Nokia Beacon 1 proved to be an interesting journey covering the full spectrum of techniques from hardware debug interfaces to firmware extraction and finally both static and dynamic analysis. I...
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Interesting article in the September 2025 edition of "IEEE Aerospace and Electronic Systems Magazine" shows it's possible to use signals from LEO satellites like Starlink and Iridium for navigation and timing. They managed to get to ~7m of positioning accuracy without GPS.
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"Give Grandma a wave: window seventeen vertically, window two hundred and forty-seven horizontally" cartoon from "Krokodil" Soviet satirical magazine, 1969.
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99% of the size of your favorite ICs is only there because you have a hard time soldering parts with a pitch of less than 0.4mm.
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10月4日、5日に東京ビッグサイトにて開催されるMaker Faire Tokyo 2025にて卓上MRIを展示します。4日の16時から「自作MRI入門」というタイトルでプレゼンをします！ご興味ある方はぜひお越しください🦌 場所：I-01-07 #MFTokyo2025
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I am so heartbroken for Dylan and Johanna. They are going through the worst nightmare imaginable. They are two of the most loving people I know. If you can support them, please do. Let them feel the love and support of their community. Everything helps. https://t.co/pDYvMt2F63
gofundme.com
On behalf of the Shea family, we have created this page of su… Debra Kavaler Wysopal needs your support for Supporting the Shea Family in Loving Memory of Caspian
Its painful to write this sad note. My close friends Dylan & Jo have lost their child, Caspian. Some may know Dylan from the hacker community as a member of cDc. The family is facing significant medical & funeral costs. A GoFundMe has been set up to help. Every donation or share
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Its painful to write this sad note. My close friends Dylan & Jo have lost their child, Caspian. Some may know Dylan from the hacker community as a member of cDc. The family is facing significant medical & funeral costs. A GoFundMe has been set up to help. Every donation or share
gofundme.com
On behalf of the Shea family, we have created this page of su… Debra Kavaler Wysopal needs your support for Supporting the Shea Family in Loving Memory of Caspian
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Life Hack Keep a 40 year old refrigerator in your garage so you have a working one when the one you bought earlier this year breaks down
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I am adding Analog Waveform support into my Waveform viewer. Looking for examples of mixed signal VCD files, or mixed-signal simulators that can dump VCD traces.
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I just posted ROM photos of Iskra's EMZ1001 on Github. GoodASM supports this architecture and MaskRomTool can read the bits, but I've not yet figured out the bit layout or ordering. If you'd like to be the first to solve it, feel free! @balcco
https://t.co/tCqZgg3KTJ
github.com
ROM Photographs for ISKRA EMZ1001 and AMI S2000. Contribute to travisgoodspeed/emz1001roms development by creating an account on GitHub.
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I’m proud of this one. I brought a solar telescope to Florida to capture a Falcon 9 rocket launch transiting the sun. While these have been captured before, never with the details of the sun’s chromosphere, which makes this one the first! See the video or get the print below 👇
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If you're soldering BGA components on a flex PCB and don't have an x-ray machine to check proper joints, you can just leave a window in the ground pour to look at the pins afterwards
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