Hardware

Building hardware - easier than ever - harder than it should be

Building electronics has never been easier, cheaper, or more accessible than the last few years. It's also becoming a precious skill in a world where commercially made electronics are the latest victim of enshittification and vibe coding. And yet, while removing technical and financial barriers to building things, we've not come as far as we should have in removing social barriers. The electronics and engineering industry and the cultures around them are hostile to newcomers and self-taught practitioners, for no good reason at all. I've been teaching advanced electronics manufacturing skills to absolute beginners for a decade now, and they've consistently succeeded at acquiring them. I'm here to tell you why it's not as hard as it seems, how to get into it, and why more people who think they can't should try.
Electronics is easier and more fun to get into than it's ever been before. All the tools and resources are easily accessible and super cheap or free. There's an enormous amount of things to build from and build on. It's also never been more important to be able to build and understand electronics, as assholes running corporations are wasting their workers' unpaid overtime on making all the electronics in our lives shittier, more full of ads, slop, and spyware, and more frustrating to use. Encountering a device that works for you instead of against you is a breath of fresh air. Building one is an act of resistance and power. Not depending on the whims of corporate assholes is freedom. However, the culture around electronics and the electronics industry is one of exclusion and gatekeeping. It doesn't need to be. It would be stupidly easy to make things better, and we should. I've been teaching absolute beginners advanced electronics manufacturing skills for many years now. It's absolutely shocking how much more diverse the people who I teach are compared to the industry. The "hardware is hard" meme is true in some cases but toxic when worn as a badge of pride or a warning to people attempting it. I will tell you why designing and building electronics is not nearly as hard as it seems, how it's almost never been easier to get into it, and why it's very important that people who think or have been told they can't do it should be doing more of it. I'll tell you my experiences of what building devices is like, show and tell a few useful skills, and tell the story of how trying to prove someone wrong on the internet turned into a decade of teaching people with zero experience how to handle the most complex electronic components at all sorts of community events.

Weitere Infos

Live Stream https://streaming.media.ccc.de/39c3/one
Format Talk
Sprache Englisch

Weitere Sessions

27.12.25
Hardware
Kauz
Fuse
OpenAutoLab, an open source machine, that is capable of processing contemporary color and black-and-white films for analogue photography, is being presented here. It made its first public appearance at 37C3 and was already seen there in action, but had no organized talk or proper presentation. Now it is better documented, waits to be built by more people and to be further developed by the community. This talk is about motivation behind developing OpenAutoLab and about the technical decisions ...
27.12.25
Hardware
Harald "LaF0rge" Welte
Zero
Like 39C3, the last CCC camp (2023) and congress (38C3) have seen volunteer-driven deployments of legacy ISDN and POTS networks using a mixture of actual legacy telephon tech and custom open source software. This talk explains how this is achieved, and why this work plays an important role in preserving parts of our digital communications heritage.
27.12.25
Hardware
Michael Weiner
Zero
This project transforms a classic rotary phone into a mobile device. Previous talks have analyzed various aspects of analogue phone technology, such as rotary pulse detection or ringing voltage generation. Now this project helps you get rid of the cable: it equips the classic German FeTAp 611 with battery power and a flyback SMPS based ringing voltage generator - but still maintains the classical look and feel. The talk demonstrates the journey of bridging analog and digital worlds, explaining ...
27.12.25
Hardware
Antonio Vázquez Blanco (Antón)
One
Despite how widely used the ESP32 is, its Bluetooth stack remains closed source. Let’s dive into the low-level workings of a proprietary Bluetooth peripheral. Whether you are interested in reverse engineering, Bluetooth security, or just enjoy poking at undocumented hardware, this talk may inspire you to dig deeper.
27.12.25
Hardware
elfy
Zero
A 595€ wheelchair remote that sends a handful of Bluetooth commands. A 99.99€ app feature that does exactly what the 595€ hardware does. A speed upgrade from 6 to 8.5 km/h locked behind a 99.99€ paywall - because apparently catching the bus is a premium feature. Welcome to the wonderful world of DRM in assistive devices, where already expensive basic mobility costs extra and comes with in-app purchases! And because hackers gonna hack, this just could not be left alone.
27.12.25
Hardware
Oliver Ettlin
Ground
With PTP 1588, AES67, and SMPTE 2110, we can transmit synchronous audio and video with sub-millisecond latency over the asynchronous medium Ethernet. But how do you make hundreds of devices agree on the exact same nanosecond on a medium that was never meant to care about time? Precision Time Protocol (IEEE 1588) tries to do just that. It's the invisible backbone of realtime media standards like AES67 and SMPTE 2110, proprietary technologies such as Dante, and even critical systems powering ...
27.12.25
Hardware
One
Almost everyone has a household appliance at home, whether it's a washing machine, dishwasher, or dryer. Despite their ubiquity, little is publicly documented about how these devices actually work or how their internal components communicate. This talk takes a closer look at proprietary bus systems, hidden diagnostic interfaces, and approaches to cloud-less integration of appliances from two well-known manufacturers into modern home automation systems.