Issue dossier

The badge README notes the badge lacks an on/off switch and tells owners to unplug the battery when not using it; the minibadge README warns that the 5 V rail may actually be battery voltage and asks minibadge makers to be conservative with power draw.

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

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power and minibadge caveat · primary documentation · documented

The record preserves operational and add-on-design constraints rather than presenting the badge as a frictionless reference platform.

Badge
SAINTCON 2018 ESP32 Badge
Category
power and minibadge caveat
Severity
note
Confidence
primary documentation
Status
documented
Timeframe
badge operation and minibadge design
Source note
SAINTCON 2018 badge README and minibadges README.

Evidence

Related Resources

badge documentation

SAINTCON 2018 badge README

Primary badge documentation for ESP32, MicroPython, 8x32 LED matrix, three buttons, twelve minibadge spots, rechargeable battery, flashing, charging, menu behavior, Wi-Fi configuration, Hacker Challenge score, and uPyCraft editing.

Badge: SAINTCON 2018 ESP32 Badge

firmware source

SAINTCON 2018 main.py

Primary MicroPython source for display states, I2C buses, button handling, minibadge polling, brightness events, Wi-Fi setup, and Hacker Challenge score updates.

Badge: SAINTCON 2018 ESP32 Badge

official badge page

SAINTCON 2018 badge page

Official badge page documenting the 2018 electronic badge, compukidmike design credit, expanded minibadge support, I2C support, repository link, and included female minibadge headers.

Badge: SAINTCON 2018 ESP32 Badge

Source trail

Evidence Sources

GitHub / compukidmike · retrieved 2026-05-15

Saintcon2018 Badge README

Primary technical source for ESP32/MicroPython hardware, LED matrix, buttons, rechargeable battery, flashing, Wi-Fi configuration, display/menu behavior, and editable MicroPython workflow.

Badge: SAINTCON 2018 ESP32 Badge

GitHub / compukidmike · retrieved 2026-05-15

Saintcon2018 main.py

Firmware source for display states, I2C buses, minibadge polling, brightness event messages, Wi-Fi setup, and Hacker Challenge score updates.

Badge: SAINTCON 2018 ESP32 Badge

GitHub / compukidmike · retrieved 2026-05-15

compukidmike/Saintcon2018

Public repository source for the badge source code, build sheet, firmware image, hardware files, Gerbers, schematic, BOM, and minibadge documentation.

Badge: SAINTCON 2018 ESP32 Badge

UtahSAINT / SAINTCON · retrieved 2026-05-15

Conference Badge

Primary official badge source for the electronic badge announcement, compukidmike credit, expanded minibadge support, I2C support, repository link, and included female minibadge headers.

Badge: SAINTCON 2018 ESP32 Badge