Hacker Con Badges

AVTOKYO 2015 · Japan · 2015

AVTOKYO 2015 Electrical Badge

Japanese ATmega328P LED attendee badge

AVTOKYO's official 2015 badge page says the conference made an electrical badge for attendees, with an AT-MEGA328P-PU, eight 5mm LEDs, two push buttons, 16 MHz crystal, resistors, capacitors, IC socket, coin-cell holder and battery, public KiCad PCB design, and public Arduino program.

AVTOKYO Japan Tokyo ATmega328P Arduino KiCad LED Through Hole TokyoHackerSpace East Asia Asia
EventAVTOKYO 2015
SeriesAVTOKYO
LocationTokyo
CountryJapan

People

Authors & Credits

badge programming

miko_dayo

The official badge page credits miko_dayo for programming and links the public AVT15 Arduino program.

Source

design collaborator and special-thanks community

TokyoHackerSpace

Listed with Emery Premeaux under Design and thanked as a community on the official badge page.

Source

event and badge-page publisher

AVTOKYO

Official publisher of the 2015 badge page and project-management credit surface.

Source

Why It Mattered

It adds Japan and East Asia to the source-backed compendium with a small through-hole AVR badge whose official page ties event, parts list, PCB files, firmware, assembly notes, and TokyoHackerSpace collaboration into one recoverable record.

Hardware

The official parts list documents the AT-MEGA328P-PU, eight 5mm LEDs, two push buttons, 16 MHz crystal, 470 ohm and 10k resistors, 0.1uF and 22pF capacitors, a 28-pin IC socket, and a coin-cell holder and battery. The source page spells the holder and battery as CR2023, so this record keeps that spelling rather than silently correcting it.

Software & Apps

The public Arduino program uses TimerOne, LED pins 6 through 13, two interrupt-driven switches, a menu with laser, POV, and not-binary modes, score display logic, and bitmap LED patterns. The official badge page links both the standalone program repository and the PCB-design repository.

Lore

The official assembly notes call out a missing R9 print on the PCB, IC socket and AT-MEGA328P-PU orientation, and LED direction. The project credits Emery Premeaux and TokyoHackerSpace for design, miko_dayo for programming, and Motohiro Matt Nakanishi / AVTOKYO for project management.

Lifecycle

Add-ons & Upgrades

firmware source archived

Arduino badge program

The official badge page links an Arduino sketch with TimerOne LED scanning, two interrupt-driven buttons, menu modes, POV output, and a not-binary game path.

Compatibility: AVTOKYO 2015 Electrical Badge

Source
hardware architecture source-backed

ATmega328P LED badge core

The official parts list centers the badge on an AT-MEGA328P-PU, eight 5mm LEDs, two push buttons, 16 MHz crystal, passives, socket, and coin-cell power.

Compatibility: AVTOKYO 2015 Electrical Badge

Source
hardware source archived

KiCad PCB design release

The official badge page links a public PCB design repository that preserves KiCad project files, schematic, board layout, Gerbers, BOM, and manufacturing PDFs.

Compatibility: AVTOKYO 2015 Electrical Badge

Source

Operational history

Issues & Camp Impact

missing rights-cleared image note

No local AVTOKYO 2015 badge photo has been added because the official page and public repositories have not been paired with explicit image reuse rights, attribution, and processing notes for a specific original badge photo or render.

The Japanese entry remains source-backed and image-free rather than copying Google Sites imagery or repository artifacts without complete image provenance.

Confidence
local project policy
Status
needs licensed original replacement
Timeframe
current catalogue build
Source note
badge.gallery image policy, AVTOKYO 2015 badge page, and AVTOKYO 2015 repositories.

Resources

AVT2015 About the Badge PDF badge document · Officially linked badge PDF from the AVTOKYO badge page. AVTOKYO 2015 Arduino program firmware source · Public Arduino sketch linked from the official badge page, documenting the LED pins, TimerOne interrupt scan, buttons, menu modes, and LED patterns. AVTOKYO 2015 KiCad tree hardware source · Repository KiCad tree containing the AVTokyo-2015 schematic, board file, netlist, project file, Gerbers, and related PDFs. AVTOKYO 2015 PCB design repository hardware source · Public DIYsciBorg repository preserving KiCad project files, schematic, board, Gerbers, BOM spreadsheet, and production PDFs. AVTOKYO 2015 badge page badge page · Official badge page documenting the electrical attendee badge, parts list, assembly notes, PCB design link, program link, project members, and special thanks. AVTOKYO 2015 outline event page · Official AVTOKYO 2015 page describing AVTOKYO as a Japanese community-oriented computer-security short conference and linking the 2015 badge section.

Sources

AVTOKYO: AVTOKYO2015 Retrieved 2026-05-15 · Official event-context source for AVTOKYO 2015 and the conference's Japanese community-security framing. AVTOKYO: AVTOKYO 2015 Badge Retrieved 2026-05-15 · Primary source for the electrical attendee badge, AT-MEGA328P-PU, LEDs, push buttons, crystal, passive components, CR2023-spelled battery items, assembly caveats, PCB/program links, and project credits. GitHub: DIYsciBorg/AVTokyo2015 Retrieved 2026-05-15 · Primary hardware repository source for KiCad files, schematic, board, Gerbers, BOM spreadsheet, and production PDFs. GitHub: AVTokyo2015 KiCAD Retrieved 2026-05-15 · Primary board-file source for the KiCad project tree and related manufacturing files. GitHub / miko_dayo: AVT15.ino Retrieved 2026-05-15 · Primary firmware source for TimerOne LED scanning, two-button input, laser, POV, and not-binary behavior.