HackGDL 2025 Minino Badge
ESP32-S3 Minino badge for BLE, Wi-Fi, OLED, and badge apps
HackGDL 2025's official Electronic Cats event badge was an ESP32-S3 Minino-platform badge with BLE, Wi-Fi, USB-C, four buttons, three NeoPixels, an OLED screen, buzzer, three-AAA battery holder, SAO connector, case, and ready-to-use badge apps.