BornHack 2021 DIY Badge
Electronics-side DIY expansion badge
A deliberately minimal DIY badge focused on simple electronics, SAO, Qwiic/STEMMA QT, and component-level exploration rather than preloaded compute.
Tag dossier
Qwiic
Badge records tagged with Qwiic, across Denmark, Netherlands, United Kingdom, United States.
BornHack 2022 Game On
RP2040 CircuitPython gaming badge
A game-controller-shaped BornHack badge built around RP2040, CircuitPython, a color LCD, and expansion connectors.
MCH2022 Badge
ESP32, RP2040, FPGA game-console badge
A game-console-shaped badge with ESP32, RP2040 board management, iCE40 FPGA graphics, Bosch sensors, BadgePython, Hatchery apps, SAO/Qwiic/PMOD expansion, and WebUSB FPGA workflows.
OSHCamp 2023 Badge
WiFi room-sensor name badge
A WiFi badge for Open Source Hardware Camp 2023, designed as a name badge, solder-paste workshop board, USB-UART adapter, qwiic/STEMMA QT sensor host, and post-event Tasmota room sensor.
HackerHotel 2024 Telegraph Badge
ESP32-C6 e-paper telegraph puzzle badge
An interactive Victorian-telegraph-themed puzzle badge inspired by the Cooke and Wheatstone telegraph.
Aerospace Village DC33 Aranya ESP32 Badge Board
SpiderOak workshop ESP32-S3 messaging board
Aerospace Village's DEF CON 33 workshop schedule documented a SpiderOak Aranya hands-on workshop where up to 20 attendees received free ESP32 badge-board hardware, flashed a distributed wireless messaging application, and kept the board afterward.
BornHack 2025 Circle Badge
LoRa and Meshtastic badge
A circular ESP32-C3 badge focused on LoRa, Meshtastic, WiFi, BLE, RGB LEDs, external antenna use, and expansion connectors.