{"acronym":"bornhack2021","aspect_ratio":"16:9","updated_at":"2026-03-22T19:00:24.542+01:00","title":"Bornhack 2021","schedule_url":"","slug":"conferences/bornhack/2021","event_last_released_at":"2021-08-26T00:00:00.000+02:00","link":"","description":"","webgen_location":"conferences/bornhack/2021","logo_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/logo.png","images_url":"https://static.media.ccc.de/media/conferences/bornhack/2021","recordings_url":"https://cdn.media.ccc.de/events/bornhack/2021","url":"https://api.media.ccc.de/public/conferences/bornhack2021","events":[{"guid":"16294500-0034-4199-3459-52a1c354dfbb","title":"This years badge","subtitle":null,"slug":"651-this-years-badge","link":"https://bornhack.dk/bornhack-2021/program/this-years-badge/","description":"In this presentation, we will take a look at this years badge and give some hints and ideas as to how it can be hacked and/or used along with other electronic badges, like the ones from previous years.","original_language":"eng","persons":["Thomas Flummer"],"tags":["2021","651","2021","BornHack 2021 (BornHack 2021)"],"view_count":64,"promoted":false,"date":"2021-08-20T11:00:00.000+02:00","release_date":"2021-08-21T00:00:00.000+02:00","updated_at":"2025-01-04T12:30:12.609+01:00","length":974,"duration":974,"thumb_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/651-16294500-0034-4199-3459-52a1c354dfbb.jpg","poster_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/651-16294500-0034-4199-3459-52a1c354dfbb_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/651-16294500-0034-4199-3459-52a1c354dfbb.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/651-16294500-0034-4199-3459-52a1c354dfbb.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/651-this-years-badge","url":"https://api.media.ccc.de/public/events/16294500-0034-4199-3459-52a1c354dfbb","conference_title":"Bornhack 2021","conference_url":"https://api.media.ccc.de/public/conferences/bornhack2021","related":[]},{"guid":"16296444-0034-416c-1861-f96446b46b59","title":"⊥’tsh : a dependently timed drum machine language.","subtitle":null,"slug":"456-tsh-a-dependently-timed-drum-machine-language","link":"https://bornhack.dk/bornhack-2021/program/tsh-a-dependently-timed-drum-machine-language/","description":"Inspired by Niels Serups inspirational talk about unspectacular personal failures, here is one about my first excursion into the relm of dependently typed programming.\n\nWhen learning about dependent types, one is often presented with cannonical examples such as a list that is parameterized with its lenght. However, dependent types turn out to be quite useful for inferring properties about terms. An exapmle of such a property is coarsest grid needed to notate a rhythmic pattern in a drum machine, and in this talk I will explain what that means, and go over an Agda-embeded implementation of a programming language that inferres that.\n\nWith some probability, the talk will inspire some of you to start hacking on a project of your own, using Dependent Types in new and cool ways.","original_language":"eng","persons":["Joachim Tilsted Kristensen"],"tags":["2021","456","2021","BornHack 2021 (BornHack 2021)"],"view_count":153,"promoted":false,"date":"2021-08-22T17:00:00.000+02:00","release_date":"2021-08-23T00:00:00.000+02:00","updated_at":"2026-03-01T16:00:07.066+01:00","length":2547,"duration":2547,"thumb_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/456-16296444-0034-416c-1861-f96446b46b59.jpg","poster_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/456-16296444-0034-416c-1861-f96446b46b59_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/456-16296444-0034-416c-1861-f96446b46b59.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/456-16296444-0034-416c-1861-f96446b46b59.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/456-tsh-a-dependently-timed-drum-machine-language","url":"https://api.media.ccc.de/public/events/16296444-0034-416c-1861-f96446b46b59","conference_title":"Bornhack 2021","conference_url":"https://api.media.ccc.de/public/conferences/bornhack2021","related":[]},{"guid":"16299036-0034-434b-5163-505b21048ada","title":"State of the Network","subtitle":null,"slug":"481-state-of-the-network","link":"https://bornhack.dk/bornhack-2021/program/state-of-the-network/","description":"Come and meet the network team who will talk about the design and operation of the network at BornHack.","original_language":"eng","persons":["BornHack"],"tags":["2021","481","2021","BornHack 2021 (BornHack 2021)"],"view_count":171,"promoted":false,"date":"2021-08-25T17:00:00.000+02:00","release_date":"2021-08-26T00:00:00.000+02:00","updated_at":"2023-11-09T22:00:03.538+01:00","length":2354,"duration":2354,"thumb_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/481-16299036-0034-434b-5163-505b21048ada.jpg","poster_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/481-16299036-0034-434b-5163-505b21048ada_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/481-16299036-0034-434b-5163-505b21048ada.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/481-16299036-0034-434b-5163-505b21048ada.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/481-state-of-the-network","url":"https://api.media.ccc.de/public/events/16299036-0034-434b-5163-505b21048ada","conference_title":"Bornhack 2021","conference_url":"https://api.media.ccc.de/public/conferences/bornhack2021","related":[]},{"guid":"16297092-0034-4471-f762-b0ba5e843e69","title":"Peerhood and the Privatisation of Money","subtitle":null,"slug":"643-peerhood-and-the-privatisation-of-money","link":"https://bornhack.dk/bornhack-2021/program/peerhood-and-the-privatisation-of-money/","description":"In this talk, I introduce the digital ride-hailing apps in Indonesia, Gojek and Grab, and show how they evolved from transport to a broader platform of financial services, including the private issue of ‘e-money’ for their integrated payment systems GoPay and OVO. I examine how they advocate for the expansion of cashless so-called peer-to-peer (P2P) payment systems, and use algorithmic labour management to mobilise their driver fleets to facilitate the use of digital money by customers of the app. I argue that promoting the notion of peerhood by the companies both obfuscates how their apps configure users to participate in new hierarchical exchange relationships, as well as minimizes the companies’ role as intermediary, and how the transactional constellation of P2P camouflages the financial interests that these companies have in generating platform activity. Through this work, I show that the exchange of digital money through these ride-hailing apps constitutes far more than the financial transaction and contains much more than can be summarized in an elegant acronym.","original_language":"eng","persons":["Sunniva Sandbukt"],"tags":["2021","643","2021","BornHack 2021 (BornHack 2021)"],"view_count":60,"promoted":false,"date":"2021-08-23T11:00:00.000+02:00","release_date":"2021-08-23T00:00:00.000+02:00","updated_at":"2025-07-13T18:45:02.742+02:00","length":3120,"duration":3120,"thumb_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/643-16297092-0034-4471-f762-b0ba5e843e69.jpg","poster_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/643-16297092-0034-4471-f762-b0ba5e843e69_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/643-16297092-0034-4471-f762-b0ba5e843e69.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/643-16297092-0034-4471-f762-b0ba5e843e69.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/643-peerhood-and-the-privatisation-of-money","url":"https://api.media.ccc.de/public/events/16297092-0034-4471-f762-b0ba5e843e69","conference_title":"Bornhack 2021","conference_url":"https://api.media.ccc.de/public/conferences/bornhack2021","related":[]},{"guid":"16294680-0034-4210-45a4-75ce6b74af19","title":"Manualization - reclaiming humanity in the age of automation","subtitle":null,"slug":"445-manualization-reclaiming-humanity-in-the-age-of-automation","link":"https://bornhack.dk/bornhack-2021/program/manualization-reclaiming-humanity-in-the-age-of-automation/","description":"In general mankind seems hell-bend on automating ourselfs out of this world, celebrating the idea of humans free of the toil of labour, but also humans without a purpuse. \nEverytime we automate something, a human is loosing a job, a task, they used to be masters of, reducing their feeling of selfworth and their source of income. Automation comes with a cost: Loss of agency. \nThe only way to regain this is reverse automation - aka manualisation - not for some sort of hippie-backtrip to the stone-age, but for health and satiesfaction of humankind - and for the environment: On this burning, climatechange-ridden planet we are short of allmost everything exept one giant resource: Humans.","original_language":"eng","persons":["Anders Kjærulff"],"tags":["2021","445","2021","BornHack 2021 (BornHack 2021)"],"view_count":63,"promoted":false,"date":"2021-08-20T16:00:00.000+02:00","release_date":"2021-08-21T00:00:00.000+02:00","updated_at":"2025-11-29T19:00:04.488+01:00","length":2494,"duration":2494,"thumb_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/445-16294680-0034-4210-45a4-75ce6b74af19.jpg","poster_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/445-16294680-0034-4210-45a4-75ce6b74af19_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/445-16294680-0034-4210-45a4-75ce6b74af19.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/445-16294680-0034-4210-45a4-75ce6b74af19.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/445-manualization-reclaiming-humanity-in-the-age-of-automation","url":"https://api.media.ccc.de/public/events/16294680-0034-4210-45a4-75ce6b74af19","conference_title":"Bornhack 2021","conference_url":"https://api.media.ccc.de/public/conferences/bornhack2021","related":[]},{"guid":"16298064-0034-4433-20a7-225b15f4182b","title":"Lasers in space!","subtitle":null,"slug":"471-lasers-in-space","link":"https://bornhack.dk/bornhack-2021/program/lasers-in-space/","description":"Ever since trying the Orbital Ion Cannon from C\u0026C red alert, I've had a dream of sending a laser into space (on purpose)\n- while this certainly would be an interesting backstory, the truth is somewhat more boring...\n\nWhen making cubesats and micro satellites, the data downlink is one of the more difficult and costly things. By moving from traditional radio-based downlinks to a optical system, data can be transferred much faster and hence more science can be conducted on the satellite.\n\nThis presentation will cover the current state of the project as well as some of the challenges that has been encountered.","original_language":"eng","persons":["Henrik Flintegaard Ehlert"],"tags":["2021","471","2021","BornHack 2021 (BornHack 2021)"],"view_count":61,"promoted":false,"date":"2021-08-24T14:00:00.000+02:00","release_date":"2021-08-24T00:00:00.000+02:00","updated_at":"2025-06-13T08:00:04.503+02:00","length":2180,"duration":2180,"thumb_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/471-16298064-0034-4433-20a7-225b15f4182b.jpg","poster_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/471-16298064-0034-4433-20a7-225b15f4182b_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/471-16298064-0034-4433-20a7-225b15f4182b.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/471-16298064-0034-4433-20a7-225b15f4182b.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/471-lasers-in-space","url":"https://api.media.ccc.de/public/events/16298064-0034-4433-20a7-225b15f4182b","conference_title":"Bornhack 2021","conference_url":"https://api.media.ccc.de/public/conferences/bornhack2021","related":[]},{"guid":"16297164-0034-395b-622f-4bc8bc147cfa","title":"Cactus Comments: Web Comments built on Matrix","subtitle":null,"slug":"666-cactus-comments-web-comments-built-on-matrix","link":"https://bornhack.dk/bornhack-2021/program/cactus-comments-web-comments-built-on-matrix/","description":"Cactus Comments is a federated comment system for the open web built on Matrix.\nIt is GPLv3 licensed, written in Elm, and we host a public backend that's free (as in beer) to use.\n\nCheck it out and play with the demo at: https://cactus.chat","original_language":"eng","persons":["a2"],"tags":["2021","666","2021","BornHack 2021 (BornHack 2021)"],"view_count":101,"promoted":false,"date":"2021-08-23T13:00:00.000+02:00","release_date":"2021-08-23T00:00:00.000+02:00","updated_at":"2026-02-21T10:15:06.132+01:00","length":346,"duration":346,"thumb_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/666-16297164-0034-395b-622f-4bc8bc147cfa.jpg","poster_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/666-16297164-0034-395b-622f-4bc8bc147cfa_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/666-16297164-0034-395b-622f-4bc8bc147cfa.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/666-16297164-0034-395b-622f-4bc8bc147cfa.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/666-cactus-comments-web-comments-built-on-matrix","url":"https://api.media.ccc.de/public/events/16297164-0034-395b-622f-4bc8bc147cfa","conference_title":"Bornhack 2021","conference_url":"https://api.media.ccc.de/public/conferences/bornhack2021","related":[]},{"guid":"16294572-0034-446e-5a2a-92d0f054197a","title":"HMB: OCR reading 407 schematics from 1990","subtitle":null,"slug":"444-hmb-ocr-reading-407-schematics-from-1990","link":"https://bornhack.dk/bornhack-2021/program/hmb-ocr-reading-407-schematics-from-1990/","description":"Preservation of a unique computer is contingent on digitization of 407 pages of schematics, but is OCR reading schematics possible?","original_language":"eng","persons":["Poul-Henning Kamp"],"tags":["2021","444","2021","BornHack 2021 (BornHack 2021)"],"view_count":70,"promoted":false,"date":"2021-08-20T13:00:00.000+02:00","release_date":"2021-08-21T00:00:00.000+02:00","updated_at":"2024-11-07T02:00:02.254+01:00","length":2924,"duration":2924,"thumb_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/444-16294572-0034-446e-5a2a-92d0f054197a.jpg","poster_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/444-16294572-0034-446e-5a2a-92d0f054197a_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/444-16294572-0034-446e-5a2a-92d0f054197a.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/444-16294572-0034-446e-5a2a-92d0f054197a.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/444-hmb-ocr-reading-407-schematics-from-1990","url":"https://api.media.ccc.de/public/events/16294572-0034-446e-5a2a-92d0f054197a","conference_title":"Bornhack 2021","conference_url":"https://api.media.ccc.de/public/conferences/bornhack2021","related":[]},{"guid":"16295472-0034-4034-cb3d-ae27a114a418","title":"Open source tools for IC developement","subtitle":null,"slug":"448-open-source-tools-for-ic-developement","link":"https://bornhack.dk/bornhack-2021/program/open-source-tools-for-ic-developement/","description":"Kicad has set new standards for PBC developments. Kicad is open source and community driven. \nThe open source model enables more users and drives the democratization of technology. \nToday you can do full FPGA designs base on open source tools. But we are not stopping here. \nQ3/2020 Skywater and Google released an open source PDK and offers free IC prototype fabrication for every body that will release their design under open source terms. \nLet me give a status, insight and perspective","original_language":"eng","persons":["Jørgen Kragh Jakobsen"],"tags":["2021","448","2021","BornHack 2021 (BornHack 2021)"],"view_count":77,"promoted":false,"date":"2021-08-21T14:00:00.000+02:00","release_date":"2021-08-22T00:00:00.000+02:00","updated_at":"2026-03-08T20:30:06.169+01:00","length":2938,"duration":2938,"thumb_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/448-16295472-0034-4034-cb3d-ae27a114a418.jpg","poster_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/448-16295472-0034-4034-cb3d-ae27a114a418_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/448-16295472-0034-4034-cb3d-ae27a114a418.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/448-16295472-0034-4034-cb3d-ae27a114a418.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/448-open-source-tools-for-ic-developement","url":"https://api.media.ccc.de/public/events/16295472-0034-4034-cb3d-ae27a114a418","conference_title":"Bornhack 2021","conference_url":"https://api.media.ccc.de/public/conferences/bornhack2021","related":[]},{"guid":"16297176-0034-407f-bf58-cf54b024af09","title":"Save the historic computer collection of the Update Computer Club!","subtitle":null,"slug":"667-save-the-historic-computer-collection-of-the-update-computer-club","link":"https://bornhack.dk/bornhack-2021/program/save-the-historic-computer-collection-of-the-update-computer-club/","description":"The Update Computer Club was founded in 1983 as a student club at Uppsala University. It aims at connecting people who are interested in all kinds of computer related topics such as hardware, software, running modern or historic computers, computer architechtures, operating systems, or programming. Over the years the club has collected a large amount of historic hardware that documents the history of computing in Sweden. The collection includes a DECSYSTEM-2060, a Cray Y-MP EL, a Symbolics 3650, and a (mostly) working PDP-12. With the upcoming move of the Uppsala University IT department to a new building Update is at risk of losing its rooms, and therefore its collection. We need your help to preserve this bit of computing history!","original_language":"eng","persons":["zeltophil"],"tags":["2021","667","2021","BornHack 2021 (BornHack 2021)"],"view_count":124,"promoted":false,"date":"2021-08-23T13:20:00.000+02:00","release_date":"2021-08-23T00:00:00.000+02:00","updated_at":"2026-03-19T19:15:06.800+01:00","length":338,"duration":338,"thumb_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/667-16297176-0034-407f-bf58-cf54b024af09.jpg","poster_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/667-16297176-0034-407f-bf58-cf54b024af09_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/667-16297176-0034-407f-bf58-cf54b024af09.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/667-16297176-0034-407f-bf58-cf54b024af09.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/667-save-the-historic-computer-collection-of-the-update-computer-club","url":"https://api.media.ccc.de/public/events/16297176-0034-407f-bf58-cf54b024af09","conference_title":"Bornhack 2021","conference_url":"https://api.media.ccc.de/public/conferences/bornhack2021","related":[]},{"guid":"16297272-0034-423b-8576-7b9739041348","title":"The Danish Comet - The first Danish microcomputer!","subtitle":null,"slug":"466-the-danish-comet-the-first-danish-microcomputer","link":"https://bornhack.dk/bornhack-2021/program/the-danish-comet-the-first-danish-microcomputer/","description":"Mike is currently working on a book who aims to uncover the story behind a rare Danish built and designed series of computers called the \"ICL Comet\", and yes ... you might wonder, \"ICL is not a danish company\" - and you would be right, the machine was sold by ICL, but build, designed and produced by different small Danish Companies.\n\nI have spent three years collecting sources for this books, and the project just exploded in scale and that in itself has become a great story, which I am going to tell you about.\n\nIf you like old computers you most definitely want to attend to my talk!","original_language":"eng","persons":["Mikkel Mikjær Christensen"],"tags":["2021","466","2021","BornHack 2021 (BornHack 2021)"],"view_count":66,"promoted":false,"date":"2021-08-23T16:00:00.000+02:00","release_date":"2021-08-24T00:00:00.000+02:00","updated_at":"2026-02-13T19:45:09.687+01:00","length":2910,"duration":2910,"thumb_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/466-16297272-0034-423b-8576-7b9739041348.jpg","poster_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/466-16297272-0034-423b-8576-7b9739041348_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/466-16297272-0034-423b-8576-7b9739041348.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/466-16297272-0034-423b-8576-7b9739041348.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/466-the-danish-comet-the-first-danish-microcomputer","url":"https://api.media.ccc.de/public/events/16297272-0034-423b-8576-7b9739041348","conference_title":"Bornhack 2021","conference_url":"https://api.media.ccc.de/public/conferences/bornhack2021","related":[]},{"guid":"16294716-0034-418d-9074-31d08024c17b","title":"Start your own ISP (Or just learn how an ISP works)","subtitle":null,"slug":"446-start-your-own-isp-or-just-learn-how-an-isp-works","link":"https://bornhack.dk/bornhack-2021/program/start-your-own-isp-or-just-learn-how-an-isp-works/","description":"This talk goes through the steps needed to create their own Internet Service Provider, from the hardware, to regulatory requirements, to software setups.\n\nThe talk also goes through just how an Internet Service Provider works in general, and will feature overview of the different technologies / protocols needed.","original_language":"eng","persons":["William Ben Embarek"],"tags":["2021","446","2021","BornHack 2021 (BornHack 2021)"],"view_count":643,"promoted":false,"date":"2021-08-20T17:00:00.000+02:00","release_date":"2021-08-21T00:00:00.000+02:00","updated_at":"2026-03-22T19:00:24.539+01:00","length":1294,"duration":1294,"thumb_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/446-16294716-0034-418d-9074-31d08024c17b.jpg","poster_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/446-16294716-0034-418d-9074-31d08024c17b_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/446-16294716-0034-418d-9074-31d08024c17b.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/446-16294716-0034-418d-9074-31d08024c17b.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/446-start-your-own-isp-or-just-learn-how-an-isp-works","url":"https://api.media.ccc.de/public/events/16294716-0034-418d-9074-31d08024c17b","conference_title":"Bornhack 2021","conference_url":"https://api.media.ccc.de/public/conferences/bornhack2021","related":[]},{"guid":"16295364-0034-414e-ea6e-1ff7d624a59a","title":"Power Supply stability and risks","subtitle":null,"slug":"652-power-supply-stability-and-risks","link":"https://bornhack.dk/bornhack-2021/program/power-supply-stability-and-risks/","description":"This talk is about the stability of powersupplies for digital and analog electronics, and of radios or wireless transceivers controlled by such electronics.\nA brief overview of topologies will be given, using a bottom-up approach, so that software and hardware combinations controlling such powersystems and reasons of powercycling can be understood. Integrated circuits with DC/DC converters and linear regulators like low-dropout regulators (LDO) are reviewed, and several common generic chips and more custom solutions that can be found. The talk focussed on concepts, understanding specifications and sometimes, the lack of spcification in a manufacturer datasheet.\n\nThe concept of a powersupply crash, hickup, and digital electronic 'latch-up' is discussed. Scenario's to reach such state using software are explored.\n\nHands-on ways to test a powersupply are provided, using electronic loads. Hands-on testing of powersupplies, from tens of milliwatts to a few hundred watts are provided.\nInfluence of temperature and related cooling of powersupplies is discussed, as well as noise performance and step response.","original_language":"eng","persons":["Mark-Jan Bastian"],"tags":["2021","652","2021","BornHack 2021 (BornHack 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2021)"],"view_count":62,"promoted":false,"date":"2021-08-20T18:00:00.000+02:00","release_date":"2021-08-21T00:00:00.000+02:00","updated_at":"2023-04-06T01:45:02.376+02:00","length":2359,"duration":2359,"thumb_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/657-16294752-0034-4586-6ffa-1169fbc472f9.jpg","poster_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/657-16294752-0034-4586-6ffa-1169fbc472f9_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/657-16294752-0034-4586-6ffa-1169fbc472f9.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/657-16294752-0034-4586-6ffa-1169fbc472f9.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/657-nikolaj-sonne-talk","url":"https://api.media.ccc.de/public/events/16294752-0034-4586-6ffa-1169fbc472f9","conference_title":"Bornhack 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Why is it that these people work, sweat and give away their ingenious ideas? The paradox has focussed on the general idea that individual ownership is central to the understanding of relations between people.\nThis talk will present a different approach based on the magic properties of distributed objects (free software) and the concepts of; territory, authority and rights. There will be talked about sacred canoes, embedded Linux systems and how diverse objects like pieces of art, software code and garden fences bring magic into our life.","original_language":"eng","persons":["Gregers Baur-Petersen"],"tags":["2021","452","2021","BornHack 2021 (BornHack 2021)"],"view_count":56,"promoted":false,"date":"2021-08-21T16:00:00.000+02:00","release_date":"2021-08-22T00:00:00.000+02:00","updated_at":"2026-01-26T19:00:16.797+01:00","length":2117,"duration":2117,"thumb_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/452-16295544-0034-4108-26bb-b48c62241299.jpg","poster_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/452-16295544-0034-4108-26bb-b48c62241299_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/452-16295544-0034-4108-26bb-b48c62241299.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/452-16295544-0034-4108-26bb-b48c62241299.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/452-the-magic-of-distributed-objects","url":"https://api.media.ccc.de/public/events/16295544-0034-4108-26bb-b48c62241299","conference_title":"Bornhack 2021","conference_url":"https://api.media.ccc.de/public/conferences/bornhack2021","related":[]},{"guid":"16294608-0034-4410-1b22-32759c343fb8","title":"How to open source your code properly","subtitle":null,"slug":"440-how-to-open-source-your-code-properly","link":"https://bornhack.dk/bornhack-2021/program/how-to-open-source-your-code-properly/","description":"Publishing your code as open source software has a lot of pitfalls. Especially if you are using other peoples code. The result is that there is a lot of code out there which is not properly published, resulting in legal risks for those who use it.\nThis talks gives an introduction into open source, open source licenses, using open source, combining open source licenses, and last, how to prepare your code to publish it as open source. Next to the theory, I will give hints for your real live situations, and end with a small show case how you can put the theory in practice.","original_language":"eng","persons":["Carina Haupt"],"tags":["2021","440","2021","BornHack 2021 (BornHack 2021)"],"view_count":243,"promoted":false,"date":"2021-08-20T14:00:00.000+02:00","release_date":"2021-08-21T00:00:00.000+02:00","updated_at":"2026-02-23T10:00:06.818+01:00","length":3329,"duration":3329,"thumb_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/440-16294608-0034-4410-1b22-32759c343fb8.jpg","poster_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/440-16294608-0034-4410-1b22-32759c343fb8_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/440-16294608-0034-4410-1b22-32759c343fb8.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/440-16294608-0034-4410-1b22-32759c343fb8.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/440-how-to-open-source-your-code-properly","url":"https://api.media.ccc.de/public/events/16294608-0034-4410-1b22-32759c343fb8","conference_title":"Bornhack 2021","conference_url":"https://api.media.ccc.de/public/conferences/bornhack2021","related":[]},{"guid":"16294644-0034-4454-33bc-53087034480a","title":"Why nothing is free if it costs your email - behind the scenes of email marketing","subtitle":null,"slug":"442-why-nothing-is-free-if-it-costs-your-email-behind-the-scenes-of-email-marketing","link":"https://bornhack.dk/bornhack-2021/program/why-nothing-is-free-if-it-costs-your-email-behind-the-scenes-of-email-marketing/","description":"It's amazing, what you can get for \"free\" if you just submit your name and email.\nIn this talk I'm going to give you a tour behind the scenes of a couple of popular email marketing platforms and show you HOW MUCH information it's possible to gather about the behavior of your email list subscribers, and why paying with your email can be far from free.\nI'm also going to give you a couple of tips on how to protect your privacy when submitting your email to join a webinar or get an ebook.\nWith the launch of iOS 15 Apple is taking steps to protect their users from this extensive email tracking, I'm going to give you an overview of what to expect from those features both as an iPhone user and an email marketer.","original_language":"eng","persons":["Merete Stenner"],"tags":["2021","442","2021","BornHack 2021 (BornHack 2021)"],"view_count":233,"promoted":false,"date":"2021-08-20T15:00:00.000+02:00","release_date":"2021-08-21T00:00:00.000+02:00","updated_at":"2026-01-04T20:15:20.903+01:00","length":2437,"duration":2437,"thumb_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/442-16294644-0034-4454-33bc-53087034480a.jpg","poster_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/442-16294644-0034-4454-33bc-53087034480a_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/442-16294644-0034-4454-33bc-53087034480a.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/442-16294644-0034-4454-33bc-53087034480a.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/442-why-nothing-is-free-if-it-costs-your-email-behind-the-scenes-of-email-marketing","url":"https://api.media.ccc.de/public/events/16294644-0034-4454-33bc-53087034480a","conference_title":"Bornhack 2021","conference_url":"https://api.media.ccc.de/public/conferences/bornhack2021","related":[]},{"guid":"16298028-0034-456f-3cb8-8c3f4ae4bb59","title":"Building your own flame effect","subtitle":null,"slug":"469-building-your-own-flame-effect","link":"https://bornhack.dk/bornhack-2021/program/building-your-own-flame-effect/","description":"Ever wanted to build and control a 3-5 meter high flame ? Even higher ? Than this is the talk for you!\nWant to know how to build it safely, not blow up yourself in the process and enjoy making your own flame effects to be used on hackercamps/steampunk events/festivals ?\nIt (re)-uses readily available materials and improvements can be made to suit your own requirements.","original_language":"eng","persons":["Hobbybob / Dimitri"],"tags":["2021","469","2021","BornHack 2021 (BornHack 2021)"],"view_count":128,"promoted":false,"date":"2021-08-24T13:00:00.000+02:00","release_date":"2021-08-24T00:00:00.000+02:00","updated_at":"2025-12-21T08:00:04.103+01:00","length":2716,"duration":2716,"thumb_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/469-16298028-0034-456f-3cb8-8c3f4ae4bb59.jpg","poster_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/469-16298028-0034-456f-3cb8-8c3f4ae4bb59_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/469-16298028-0034-456f-3cb8-8c3f4ae4bb59.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/469-16298028-0034-456f-3cb8-8c3f4ae4bb59.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/469-building-your-own-flame-effect","url":"https://api.media.ccc.de/public/events/16298028-0034-456f-3cb8-8c3f4ae4bb59","conference_title":"Bornhack 2021","conference_url":"https://api.media.ccc.de/public/conferences/bornhack2021","related":[]},{"guid":"16295508-0034-4111-d91a-cc07c7c44f08","title":"Ubuntu Touch for the casual user","subtitle":null,"slug":"447-ubuntu-touch-for-the-casual-user","link":"https://bornhack.dk/bornhack-2021/program/ubuntu-touch-for-the-casual-user/","description":"This is a talk for anyone who wants to know why you would want to use a mobile OS that is not Android or iOS, and what can happen if you decide to try your luck with Ubuntu Touch. It is the story of one casual user's experiences. It's aimed at low to intermediate levels of technical knowledge, meaning that even if you have never experimented with mobile OSses at all, just used them as a normal user, you will be able to understand it. If you are wondering whether you know enough to understand this talk, you probably will!","original_language":"eng","persons":["Moem"],"tags":["2021","447","2021","BornHack 2021 (BornHack 2021)"],"view_count":142,"promoted":false,"date":"2021-08-21T15:00:00.000+02:00","release_date":"2021-08-22T00:00:00.000+02:00","updated_at":"2025-09-10T17:30:03.976+02:00","length":917,"duration":917,"thumb_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/447-16295508-0034-4111-d91a-cc07c7c44f08.jpg","poster_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/447-16295508-0034-4111-d91a-cc07c7c44f08_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/447-16295508-0034-4111-d91a-cc07c7c44f08.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/447-16295508-0034-4111-d91a-cc07c7c44f08.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/447-ubuntu-touch-for-the-casual-user","url":"https://api.media.ccc.de/public/events/16295508-0034-4111-d91a-cc07c7c44f08","conference_title":"Bornhack 2021","conference_url":"https://api.media.ccc.de/public/conferences/bornhack2021","related":[]},{"guid":"16296228-0034-4488-8d8e-b508f3340ada","title":"AMA med heavy-metal politikeren: Stinus Lindgreen svarer på alt","subtitle":null,"slug":"654-ama-med-heavy-metal-politikeren-stinus-lindgreen-svarer-pa-alt","link":"https://bornhack.dk/bornhack-2021/program/ama-med-heavy-metal-politikeren-stinus-lindgreen-svarer-pa-alt/","description":"Stinus Lindgreen, folketingsmedlem for Radikale Venstre, er ikke en hvilken som helst politiker - han er kandidat i Bioinformatik fra Københavns Universitet og Bachelor i Datalogi, og har tidligere arbejdet som forsker for Steno Diabetes Center og Carlsberg Laboratorierne. Idag er han ordfører for Etik, forskningsordfører, It-ordfører, ordfører vedr. nordisk samarbejde, Psykiatriordfører, Sundhedsordfører, Teknologiordfører og Ældreordfører, men mon ikke publikum er mest interesserede i hans forhold til IT og teknologi?\n\nSøndag den 22. kl. 11 har BornHack mulighed for at stille ham spørgsmål om alt - hans holdninger til IT-politik, Coronapas eller vaccinationer - eller hans favorit metal-bands?\n\nAMA'en forgår over Jitsi, da Stinus lige er blevet far igen og er på barsel.\n\nHvis publikum ikke har nogen spørgsmål, klarer Anders Kjærulff den del.","original_language":"eng","persons":["Stinus Lindgreen"],"tags":["2021","654","2021","BornHack 2021 (BornHack 2021)"],"view_count":12,"promoted":false,"date":"2021-08-22T11:00:00.000+02:00","release_date":"2021-08-22T00:00:00.000+02:00","updated_at":"2024-08-14T02:15:02.514+02:00","length":2614,"duration":2614,"thumb_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/654-16296228-0034-4488-8d8e-b508f3340ada.jpg","poster_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/654-16296228-0034-4488-8d8e-b508f3340ada_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/654-16296228-0034-4488-8d8e-b508f3340ada.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/654-16296228-0034-4488-8d8e-b508f3340ada.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/654-ama-med-heavy-metal-politikeren-stinus-lindgreen-svarer-pa-alt","url":"https://api.media.ccc.de/public/events/16296228-0034-4488-8d8e-b508f3340ada","conference_title":"Bornhack 2021","conference_url":"https://api.media.ccc.de/public/conferences/bornhack2021","related":[]},{"guid":"16298892-0034-3935-ddc9-c4284e54204a","title":"Getting Started in Network and Security","subtitle":null,"slug":"477-getting-started-in-network-and-security","link":"https://bornhack.dk/bornhack-2021/program/getting-started-in-network-and-security/","description":"I have for a few decades worked in networking and security, and everything seems to have grown.\n\nI will try to lay out a path for people who wants to get into networking and security, with some references to pentesting, software security, and related areas. Where to start and which skills you should start learning.\n\nI will use my existing courses as a guide. These are taught as part of the of the Diploma in IT Security at KEA Kompetence\nhttps://kompetence.kea.dk/uddannelser/it/diplom-i-it-sikkerhed\n\nNote: I will reference book resources, but if you are on a tight budget lots of other resources may be used instead.\n\nRelated links:\nhttps://zencurity.gitbook.io/kea-it-sikkerhed/ lecture plans and book references \nhttps://github.com/kramse/security-courses all my training and educational materials, including exercises booklets with small exercises that you can do with virtual machines like Debian and Kali Linux using lots of open source tools.","original_language":"eng","persons":["Kramse"],"tags":["2021","477","2021","BornHack 2021 (BornHack 2021)"],"view_count":1045,"promoted":false,"date":"2021-08-25T13:00:00.000+02:00","release_date":"2021-08-25T00:00:00.000+02:00","updated_at":"2025-10-21T22:30:07.645+02:00","length":2891,"duration":2891,"thumb_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/477-16298892-0034-3935-ddc9-c4284e54204a.jpg","poster_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/477-16298892-0034-3935-ddc9-c4284e54204a_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/477-16298892-0034-3935-ddc9-c4284e54204a.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/477-16298892-0034-3935-ddc9-c4284e54204a.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/477-getting-started-in-network-and-security","url":"https://api.media.ccc.de/public/events/16298892-0034-3935-ddc9-c4284e54204a","conference_title":"Bornhack 2021","conference_url":"https://api.media.ccc.de/public/conferences/bornhack2021","related":[]},{"guid":"16296300-0034-4492-c1ce-2a0af7e4fc0b","title":"Ansigtsgenkendelse, kunstig intelligens og logningsbekendtgørelse","subtitle":null,"slug":"606-ansigtsgenkendelse-logningsbekendtgrelse-og-kunstig-intelligens","link":"https://bornhack.dk/bornhack-2021/program/ansigtsgenkendelse-logningsbekendtgrelse-og-kunstig-intelligens/","description":"This event is a Panel Discussion in Danish.\n\nAnsigtsgenkendelse i Føtex og Superbrugsen?\nKunstig intelligens, der skal tale med udsatte børn? \nOg en helt ny logningsbekendtgørelse, der er på vej og som ifølge IT-politisk forening de facto er værre, end den vi har haft før?\n\nDet er de tre emmer, BornHack gerne vil diskutere med\nPia Tesdorph, databeskyttelsesrådgiver, Henrik Kramshøj, etisk hacker og datalog, Karen Melchior, medlem af Europaparlamentet for radikale, Mads Samsing, næstformand i HK kommunal og dig!\nDebatten modereres af Anders Kjærulff","original_language":"eng","persons":["Henrik Kramselund","Karen Melchior","Mads Samsing","Pia Tesdorf"],"tags":["2021","606","2021","BornHack 2021 (BornHack 2021)"],"view_count":37,"promoted":false,"date":"2021-08-22T13:00:00.000+02:00","release_date":"2021-08-23T00:00:00.000+02:00","updated_at":"2025-11-13T18:45:04.915+01:00","length":5329,"duration":5329,"thumb_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/606-16296300-0034-4492-c1ce-2a0af7e4fc0b.jpg","poster_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/606-16296300-0034-4492-c1ce-2a0af7e4fc0b_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/606-16296300-0034-4492-c1ce-2a0af7e4fc0b.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/606-16296300-0034-4492-c1ce-2a0af7e4fc0b.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/606-ansigtsgenkendelse-logningsbekendtgrelse-og-kunstig-intelligens","url":"https://api.media.ccc.de/public/events/16296300-0034-4492-c1ce-2a0af7e4fc0b","conference_title":"Bornhack 2021","conference_url":"https://api.media.ccc.de/public/conferences/bornhack2021","related":[]},{"guid":"16299072-0034-4275-8e48-55e001444ee8","title":"Goodbye World","subtitle":null,"slug":"554-goodbye-world","link":"https://bornhack.dk/bornhack-2021/program/goodbye-world/","description":"BornHack 2021 is almost over at this point. We would like to say farewell for now and see you again at the next event in 2022.\n\nWe will walk over what we believe has worked and what we believe should change the next event. This is an excellent opportunity to submit ideas for BornHack 2022 while the memories are still fresh.","original_language":"eng","persons":["BornHack"],"tags":["2021","554","2021","BornHack 2021 (BornHack 2021)"],"view_count":177,"promoted":false,"date":"2021-08-25T18:00:00.000+02:00","release_date":"2021-08-26T00:00:00.000+02:00","updated_at":"2024-08-02T01:15:02.708+02:00","length":1572,"duration":1572,"thumb_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/554-16299072-0034-4275-8e48-55e001444ee8.jpg","poster_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/554-16299072-0034-4275-8e48-55e001444ee8_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/554-16299072-0034-4275-8e48-55e001444ee8.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/554-16299072-0034-4275-8e48-55e001444ee8.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/554-goodbye-world","url":"https://api.media.ccc.de/public/events/16299072-0034-4275-8e48-55e001444ee8","conference_title":"Bornhack 2021","conference_url":"https://api.media.ccc.de/public/conferences/bornhack2021","related":[]},{"guid":"16298136-0034-4612-ac8f-fef033f4d0ca","title":"Reproducible Buster, Bullseye \u0026 Bookworm - where we come from and where we are going","subtitle":null,"slug":"470-reproducible-buster-bullseye-bookworm-where-we-come-from-and-where-we-are-going","link":"https://bornhack.dk/bornhack-2021/program/reproducible-buster-bullseye-bookworm-where-we-come-from-and-where-we-are-going/","description":"In this talk Holger Levsen will give an update on Reproducible Builds of Debian and beyond. He’ll briefly sum up the status in Buster, then present developments in and for Bullseye and give an outlook on Bookworm, what’s planned, being built and wished for!\n\nBullseye will be the third Debian release since work on Reproducible Builds of Debian has really started: we started with the beginning of the Stretch cycle, then continued for Buster and we are still not done with our work on Bullseye, though hopefully at the time of the talk we will be. And then of course we will continue for Bookworm and beyond!\n\nThe last paragraph might leave you wondering, what exactly has changed, where we are, why we still are not “there” yet and what our immediate plans are. So come and see this talk!","original_language":"eng","persons":["Holger Levsen"],"tags":["2021","470","2021","BornHack 2021 (BornHack 2021)"],"view_count":114,"promoted":false,"date":"2021-08-24T16:00:00.000+02:00","release_date":"2021-08-24T00:00:00.000+02:00","updated_at":"2024-08-06T14:15:03.643+02:00","length":1804,"duration":1804,"thumb_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/470-16298136-0034-4612-ac8f-fef033f4d0ca.jpg","poster_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/470-16298136-0034-4612-ac8f-fef033f4d0ca_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/470-16298136-0034-4612-ac8f-fef033f4d0ca.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/470-16298136-0034-4612-ac8f-fef033f4d0ca.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/470-reproducible-buster-bullseye-bookworm-where-we-come-from-and-where-we-are-going","url":"https://api.media.ccc.de/public/events/16298136-0034-4612-ac8f-fef033f4d0ca","conference_title":"Bornhack 2021","conference_url":"https://api.media.ccc.de/public/conferences/bornhack2021","related":[]}]}