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Electronics prototyping is way too easy and there's no reason you can't do it (camp2023)
Manage episode 458495564 series 3630079
Inhalt bereitgestellt von CCC media team. Alle Podcast-Inhalte, einschließlich Episoden, Grafiken und Podcast-Beschreibungen, werden direkt von CCC media team oder seinem Podcast-Plattformpartner hochgeladen und bereitgestellt. Wenn Sie glauben, dass jemand Ihr urheberrechtlich geschütztes Werk ohne Ihre Erlaubnis nutzt, können Sie dem hier beschriebenen Verfahren folgen https://de.player.fm/legal.
Hardware is hard, right? Wrong. Building electronics prototypes has never been easier, and people who have been afraid to do it have nothing to fear. I'll tell you about how I build fancy high end devices with minimal, extremely cheap equipment, how it all works, and how you can do it too. We'll find out how to trick your body into making your hands not shake. We'll look at reflow soldering, the way the electronics assembly industry cheats in every possible way to save time, cost, and effort, and how we can do the same, but better, by hand. In 2015, someone was wrong on the Internet. To prove a point, I started teaching people how to prototype electronics. By now, I've taken thousands of people from zero to one boards built, and I think I've proved my point. Building electronic prototypes is easy. It has to be, because machines have to do it, and machines are terrible at what they do and have no idea when they've done it wrong. Humans can do better, more precise, and often faster. It just takes a bit of technique, a bit of practice, and a lot of courage. I'll take you through it, show you some fancy boards prototyped that way, and try to give you the confidence to attempt prototyping your own designs. about this event: https://pretalx.c3voc.de/camp2023/talk/8B9QES/
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177 Episoden
Electronics prototyping is way too easy and there's no reason you can't do it (camp2023)
Chaos Computer Club - Chaos Communication Camp 2023 (high quality mp4)
Manage episode 458495564 series 3630079
Inhalt bereitgestellt von CCC media team. Alle Podcast-Inhalte, einschließlich Episoden, Grafiken und Podcast-Beschreibungen, werden direkt von CCC media team oder seinem Podcast-Plattformpartner hochgeladen und bereitgestellt. Wenn Sie glauben, dass jemand Ihr urheberrechtlich geschütztes Werk ohne Ihre Erlaubnis nutzt, können Sie dem hier beschriebenen Verfahren folgen https://de.player.fm/legal.
Hardware is hard, right? Wrong. Building electronics prototypes has never been easier, and people who have been afraid to do it have nothing to fear. I'll tell you about how I build fancy high end devices with minimal, extremely cheap equipment, how it all works, and how you can do it too. We'll find out how to trick your body into making your hands not shake. We'll look at reflow soldering, the way the electronics assembly industry cheats in every possible way to save time, cost, and effort, and how we can do the same, but better, by hand. In 2015, someone was wrong on the Internet. To prove a point, I started teaching people how to prototype electronics. By now, I've taken thousands of people from zero to one boards built, and I think I've proved my point. Building electronic prototypes is easy. It has to be, because machines have to do it, and machines are terrible at what they do and have no idea when they've done it wrong. Humans can do better, more precise, and often faster. It just takes a bit of technique, a bit of practice, and a lot of courage. I'll take you through it, show you some fancy boards prototyped that way, and try to give you the confidence to attempt prototyping your own designs. about this event: https://pretalx.c3voc.de/camp2023/talk/8B9QES/
…
continue reading
177 Episoden
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Chaos Computer Club - Chaos Communication Camp 2023 (high quality mp4)

Award ceremony for the winners of the night before. Award ceremony for the winners of the night before. We'll present the winning entries. about this event: https://pretalx.c3voc.de/camp2023/talk/LJQF7F/
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Chaos Computer Club - Chaos Communication Camp 2023 (high quality mp4)

A heartfelt farewell about this event: https://pretalx.c3voc.de/camp2023/talk/NXDM8Z/
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Chaos Computer Club - Chaos Communication Camp 2023 (high quality mp4)

1 #CCCamp23 Review (camp2023) 54:47
Zahlen, Daten, Fakten. Natürlich wie immer ohne Gewähr. Die #CCCamp23 Review Session - Damit auch DU weißt, was du verpasst hast. Eine stark willkürliche Auswahl von großartigen Dingen auf dem Camp. about this event: https://pretalx.c3voc.de/camp2023/talk/ACVRNU/
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Chaos Computer Club - Chaos Communication Camp 2023 (high quality mp4)

1 Project Blinkenlights (camp2023) 1:32:47
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The complete story of Project Blinkenlights: achievements, failures, technology and its cultural impact In 2001, the Chaos Computer Club surprised the world with a simple but impressive interactive light installation on a building in the heart of Berlin: Blinkenlights illuminated 144 windows forming a huge but low-resolution pixel matrix on the facade of House of the Teacher at Alexanderplatz. But this was just the beginning. Much bigger follow-ups took place in Paris and Toronto and in between a lot of other things happenend. This talk shows it all: what worked, what did not work, the good ideas, the bad ideas and all that jazz. This year at Camp, we celebrate Blinkenlights history with another interactive light installation at the Camp. about this event: https://pretalx.c3voc.de/camp2023/talk/E7XGY9/…
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Chaos Computer Club - Chaos Communication Camp 2023 (high quality mp4)

Chaos Family Cadus e.V. about this event: https://pretalx.c3voc.de/camp2023/talk/1668/
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Chaos Computer Club - Chaos Communication Camp 2023 (high quality mp4)

In this talk Holger Levsen will give an overview about reproducible builds, the past, the presence and the future. How it started with a small BoF at DebConf13 (and before), how it grew from being a Debian effort to something many projects work on together, until in 2021 it was mentioned in an executive order of the president of the United States. And of course the talk will not end there but rather outline where we are today and where we still need to be going, until we'll all be running 100% reproducible software, verified by many. In this talk Holger Levsen will give an overview about reproducible builds, the past, the presence and the future. How it started with a small BoF at DebConf13 (and before), how it grew from being a Debian effort to something many projects work on together, until in 2021 it was mentioned in an executive order of the president of the United States. And of course the talk will not end there but rather outline where we are today and where we still need to be going, until we'll all be running 100% reproducible software, verified by many. And while Holger's day to day work and this talk will have a Debian focus, reproducible builds in other project will be featured and not be left behind as Holger has been involved in Reproducible Builds since 2014 and has been working on reproducing Arch Linux, coreboot, Fedora, FreeBSD, NetBSD, OpenWrt and others. Other important software projects will also be covered and last not least Holger will also explain why you'll want verifiable S BOMs and not just SBOMs. So what is this talk about exactly again? "A build is reproducible if given the same source code, build environment and build instructions, any party can recreate bit-by-bit identical copies of all specified artifacts." (https://reproducible-builds.org/docs/definition) about this event: https://pretalx.c3voc.de/camp2023/talk/J7SDTF/…
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Chaos Computer Club - Chaos Communication Camp 2023 (high quality mp4)

Exploration of the sensor hardware and programming of the flow3r badge. In particular the pressure sensor BMP581 and acceleration/gyrometer BMI270. I will give a quick introduction into the Bosch MEMS technology and sensors. Next I want to show some very basic steps how to use MicroPython on flow3r to play with LEDs and sensors. about this event: https://pretalx.c3voc.de/camp2023/talk/Z3CPTN/…
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Chaos Computer Club - Chaos Communication Camp 2023 (high quality mp4)

Dass wir bald von Superintelligenzen beherrscht werden, die wie ChatGPT Texte generieren, ist unwahrscheinlich. Aber es gibt offene Fragen: zu Wissensgerechtigkeit, Teilhabe und Monopolisierung durch Konzerne. Künstliche Intelligenz ist eine Projektionsfläche. Jetzt wird alles anders! Dabei ist die Beschäftigung damit, wie Maschinen Aufgaben erledigen, von denen wir bisher dachten, dass sie nur Menschen bewältigen können, fast so alt wie Computer selbst. Und auch die Probleme damit, wie Technik eingesetzt wird, sind ähnlich geblieben. Welche Zukunft darf es sein: Gerecht und frei zugänglich für alle, oder doch lieber in den Händen von wenigen? Es gibt offene Fragen: Wer produziert Wissen unter welchen Rahmenbedingungen? Ist das gerecht? Wie können wir uns als Menschen um mehr Gerechtigkeit bemühen und verhindern, dass die Macht der wirtschaftlichen Giganten unter dem Label "KI" noch weiter wächst? Ein Gedankenanstoß zur politischen und gesellschaftlichen Dimension des Hype-Themas der vergangenen Monate. about this event: https://pretalx.c3voc.de/camp2023/talk/EJBDYN/…
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Chaos Computer Club - Chaos Communication Camp 2023 (high quality mp4)

1 Nerds touching grass (camp2023) 21:09
16 years after the international Hackspace revolution, we are finding ourself in the midst of a global crisis with a search for answers. At Bio-Hack-Spaces we create mycelium based build materials, research new ways of growing (or foraging) our own food, build technological bridges to nudge nature in our desired direction or tinker on devices that help us to better understand our surroundings. 16 Years ago, a series of talks by Johl and Pylon on Hackspace Design Patterns sparked an international revolution. Within a few months tens of new Hackspaces were founded all over the world. And while the fun lasted for a while, we are now in the midst of a global crisis, that its least is urgently asking for mitigation strategies. At Bio-Hack-Spaces we create mycelium based build materials, research new ways of growing (or foraging) our own food, build technological bridges to nudge nature in our desired direction or tinker on devices that help us to better understand our surroundings. The Biopunk movement is in almost every regard comparable to the old school hacker movement. It is about resilience, creativity and autonomy. And yet, there is one fundamental difference: While you bend a computer to your will, you can only politely ask anything that lives. So in that sense, Biopunk is about understanding that we aren’t separated from nature, we are nature. And nature will teach us something that society needs more than anything else: the ability to listen. about this event: https://pretalx.c3voc.de/camp2023/talk/FBQJAG/…
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Chaos Computer Club - Chaos Communication Camp 2023 (high quality mp4)

Menschen Fahren aus der Stadt aufs Land. Da fährt (sonntags) kein Bus, deshalb bringen sie ihr Auto mit. Dieser Talk erklärt, wie man vermeidet, dass der Ausflug ins Grüne zum Fiasko wird und wie sich auf dem Land der Strassenverkehr von Staedten unterscheidet. about this event: https://pretalx.c3voc.de/camp2023/talk/VYGPCZ/…
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Chaos Computer Club - Chaos Communication Camp 2023 (high quality mp4)

Passwords suck, Multi Factor Authentication is hip, everyone wants to use it, but most methods rely on some kind of generated One-Time passcode, which are as vulnerable to phishing as the passwords they should help protect. Other possible factors, like app-based authentication also bring similar design flaws to the table A good alternative to insecure factors is the FIDO2 Standard, also sometimes referred to as WebAuthn, and its latest addition, passkeys. This presentation will demonstrate the functionality of FIDO2/WebAuthn and compare it to other possible (multiple) factors. It will also demo setup and some basic configuration. Special emphasis will be brought to passwordless authentication and the benefits and drawbacks of passkeys. about this event: https://pretalx.c3voc.de/camp2023/talk/R3ETSG/…
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Chaos Computer Club - Chaos Communication Camp 2023 (high quality mp4)

Chaos Family Jugend Hackt about this event: https://pretalx.c3voc.de/camp2023/talk/2648/
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Chaos Computer Club - Chaos Communication Camp 2023 (high quality mp4)

1 Bootloader Crimes (camp2023) 21:23
Sometimes Windows can't be avoided, usually to run or dissect some weird piece of software. Fortunately, we have virtual machines for that, but installing or maintaining such an image is always a hassle. I built a web-tool based on open-source tools to make the experience of building such images much more enjoyable and discovered some interesting quirks and ways to run and install Windows. about this event: https://pretalx.c3voc.de/camp2023/talk/LLV8KV/…
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Chaos Computer Club - Chaos Communication Camp 2023 (high quality mp4)

The energy consumption of datacenters is increasing exponentially. Local community heating is required to heat houses. The talk will give an overview of the existing problems and examples how data centers can be integrated into green power generation to heating concepts producing data center services en passant. 3% of global electricity consumption today and are projected to touch 4% by 2030. The average hyperscale facility consumes 20-50MW annually – theoretically enough electricity to power up to 37,000 homes[1]. Newer concepts reduce the energy for cooling to zero and integrate the datacenter into photovoltaic energy sources and local community heating as a sink[2]. Open source concepts allow to run a local cloud zone in this location regaining control of citizen data. [1] https://datacentremagazine.com/articles/efficiency-to-loom-large-for-data-centre-industry-in-2023 [2] https://www.ala-magazin.de/_thumbnails_/1680_2_JH-Computers_BHKW.jpg)](http://www.ala-magazin.de/ala-magazin/artikel/2021/jh-computers-gmbh.php about this event: https://pretalx.c3voc.de/camp2023/talk/KXXKKX/…
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Chaos Computer Club - Chaos Communication Camp 2023 (high quality mp4)

Microcontrollers are used in numerous applications and even in security-relevant areas, for example in form of hardware security tokens or crypto wallets. Hence, the non-volatile flash memory of microcontrollers contains sensitive assets such as cryptographic secrets or intellectual property, that need to be protected from being read out by adversaries. In order to prevent illegal extraction through the integrated debug interface, dedicated protection features are in place. In this talk, we take a look at an attack vector that we call *flash erase suppression*. This attack vector leverages that many microcontrollers allow to deactivate their debug interface protection under the condition that the entire flash memory is erased first. The attack suppresses this mass erase with a glitch whereby its contents are preserved and accessible through the activated debug interface. This type of attack was first presented by Schink et al. at CHES 2021, but only received little attention so far. The talk provides an introduction to this attack vector and gives a foretaste of a comprehensive analysis that will be published soon. The attack will be demonstrated live on stage with an exemplary microcontroller. about this event: https://pretalx.c3voc.de/camp2023/talk/AS9MQY/…
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