Add-on dossier

Dual SAO electrical interface

A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.

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DEF CON 34 Badge pre-event spec

add-on connector

The official DC34 SAO specification documents 3.0 V VDD, 100 mA tested total supply across both SAOs, GPIO pins, I2C devices at 0x3C and 0x19, and mirrored unkeyed 6-pin SAO headers.

Badge
DEF CON 34 Badge
Type
add-on connector
Status
pre-event spec
Compatibility
DEF CON 34 Badge
Source
https://media.defcon.org/DEF%20CON%2034/DEF%20CON%2034%20badge/DEF%20CON%2034%20SAO%20Spec%20Sheet.pdf

Badge context

Related Resources

badge specification

DEF CON 34 SAO specification

Official media-server PDF documenting DC34 SAO electrical and mechanical constraints, including 3.0 V VDD, two-AA badge power, USB-C power-bank behavior, GPIO wake interrupt, I2C addresses, and mirrored 6-pin SAO header dimensions.

Badge: DEF CON 34 Badge

event page

DEF CON 34 homepage

Official DEF CON source for August 6-9, 2026 dates, LVCC West Hall location, Agency theme, and preregistration news linking to the official ticket page.

Badge: DEF CON 34 Badge

official social update

DEF CON 34 badge alert

Official DEF CON update stating that DEF CON 34 is an electronic badge year, that more details are coming, and that the public SAO spec sheet is pre-event support for add-on makers.

Badge: DEF CON 34 Badge

registration page

DEF CON 34 ticket page

Official shop source stating that preregistration guarantees a DEF CON 34 Human badge, that badges must be picked up onsite, and that onsite registration begins Thursday, August 6, 2026.

Badge: DEF CON 34 Badge

Source trail

Evidence Sources

DEF CON · retrieved 2026-05-15

DEF CON 34

Official homepage source for DEF CON 34 dates, LVCC West Hall location, Agency theme, and preregistration news.

Badge: DEF CON 34 Badge

DEF CON Media Server · retrieved 2026-05-15

DC34 Badge SAO Electrical Spec

Official badge-spec PDF source for 3.0 V SAO VDD, dual-SAO supply limit, two-AA badge power, USB-C continuous-power behavior, GPIO wake interrupt, I2C addresses, and SAO header mechanical constraints.

Badge: DEF CON 34 Badge