Issue dossier

The README warns that the DEF CON 32 received version had D9 misplaced, leaving USB 5V directly connected to the battery; the repository says the current revision fixes the problem.

A linkable camp-impact record with badge context, severity, evidence confidence, and source notes.

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first-run diode errata · primary README · documented fixed-revision note

The catalogue preserves the battery/USB safety erratum and does not treat all Hackbat boards as identical to the fixed public revision.

Badge
Hackbat DEF CON 32 Badge
Category
first-run diode errata
Severity
warning
Confidence
primary README
Status
documented fixed-revision note
Timeframe
DEF CON 32 first-run badge distribution
Source note
Hackbat DEF CON 32 README diode-placement warning.

Evidence

Related Resources

badge documentation

Hackbat DEF CON 32 README

Primary documentation source for ESP32-C3 WROOM, OLED, four WS2812 smart LEDs, six buttons, AA-cell case support, Arduino IDE or ESP-IDF programming, JLCPCB production-file use, and the D9 erratum.

Badge: Hackbat DEF CON 32 Badge

project page

Hackbat project page

Hackaday.io project source stating that the Hackbat Badge was designed specially for DEFCON32 and summarizing the ESP32-C3, Wi-Fi/Bluetooth, LEDs, OLED, and first-run D9 diode warning.

Badge: Hackbat DEF CON 32 Badge

Source trail

Evidence Sources

GitHub / theHackbat · retrieved 2026-05-15

DEFCON32 Badge README

Primary hardware documentation source for ESP32-C3 WROOM, OLED, WS2812 LEDs, buttons, AA-cell case, programming options, production-file workflow, and the fixed-revision note.

Badge: Hackbat DEF CON 32 Badge

Hackaday.io / theHackbat · retrieved 2026-05-15

Hackbat Badge

Project-owner source describing the Hackbat Badge as designed specially for DEFCON32 and warning DEF CON recipients about the D9 diode placement issue.

Badge: Hackbat DEF CON 32 Badge