Lötworkshop-Vortrag
Talk source for the surprise-badge framing and eHaserl lore.
Evidence index
Primary docs, public wikis, repositories, talks, press writeups, and first-hand notes used to support badge pages.
Talk source for the surprise-badge framing and eHaserl lore.
Talk source for RCA story, badge, and puzzle resolution.
Public badge talk listing Niek and Sebastius as speakers.
Post-event lifecycle source for firmware, Hatchery, BLE, companion app, sensor, and reuse evolution.
Talk on development and challenges.
Camp 2015 talk listing Sec, RFguy, and schneider as speakers for hardware, software, and creation-history context.
Primary public evidence for a ZeTeCo 2017 badge and the manufacturing/assembly story.
Primary talk source for badge purpose, biosensors, BLE, extension space, and camp app/interh4cktion workflow.
C3VOC Frag die Teams interview listing schneider, Sec, and Andi.
Camp 2011 talk source listing kiu, s, and Stefan 'Sec' Zehl as speakers.
28C3 follow-up talk listing lilafisch and Stefan 'Sec' Zehl.
Current muCCC history note tying eHaserl into the club's camp-badge lineage.
Software source checkout path documented by the EH2010 badge wiki.
Official schedule source for the Dec. 27-30 event days and venue-room context.
Earlier public source tying Hackin7 to development of a DEFCON SG SDR badge and documenting the intended FM/SDR scope before preorder publication.
First-hand community preorder source for DEFCON SG pickup, HFSDR kit contents, SMA/antenna/encoder/screen/LED parts, 50-60 SGD pricing, RF up to 300 MHz, onboard FM demodulation, waterfall/FFT display, LiPo charger, reprogrammability, and repository link.
Primary source for internal antenna tuning, external antenna/SMA workflow, and soldering warnings.
Primary case add-on source for 32C3 case kits, DXF files, SMA clearance, simple laser-cut cases, and 3D enclosure links.
Primary software guide for Linux, Windows, Mac, Android, GNU Radio, Gqrx, SDR#, RF Analyzer, udev, and HKRF-OLD caveats.
Primary wiki entry for HOWTOs, firmware-update note, HackRF-compatible SDR statement, and sitemap.
Primary firmware revision history from REV 01 through REV 05.
Primary hardware overview for RF path, Wimax transceiver, mixer, 2.5 GHz PCB antenna, LCD, joystick, audio connector, and dual Micro-USB behavior.
Primary troubleshooting record for flash station, HackRF boot modes, USB ID compatibility, autosuspend, soldering, battery, and antenna issues.
Official source for the r2con event, September 6-9, 2017 Barcelona context, and the scheduled r2con badge talk by NighterMan.
Official mirror corroborating the event page and badge-talk context.
Technical writeup source for KL27P64M48SF2, NXH2261UK NFMI, badge-type byte behavior, UART/SWD paths, firmware build changes, and chameleon firmware.
Attendee writeup source for observed controls, LEDs, challenge entry model, PCB blueprint analysis, and secret hardware challenge behavior.
Primary source-code archive; the technical archive labels the badge code as public domain.
Primary documentation archive source; the archive page states that schematic and Gerber documentation is Creative Commons Attribution licensed.
Primary technical archive source for the public documentation, source-code, BOM, process-video links, licensing notes, contributor acknowledgements, and official project framing.
Public fundraising and camp-context source for the 2017 edition.
Primary source for the security-conference scope, intended audience, and collaboration purpose between blue and red teams.
Primary source for the June 11-12, 2026 Gdynia dates, Pomeranian Science and Technology Park venue, hybrid event mode, red-team/blue-team framing, and registration path.
Primary identity-badge evidence: the Conference Badges section says all people on the conference floor must have a visible badge at all times.