Explore the hardware components and extensibility options of the Swagbadge in this conference talk from linux.conf.au 2021. Delve into the design goals, component selection, and various ways to enhance the badge's functionality. Learn about the onboard microcontroller, Simple Add-Ons (SAOs), and protoboards. Discover the Tux SAO and other extensions available for purchase or DIY projects to elevate your badge experience. Gain insights into the ESP32 microcontroller, OLED displays, sliders, PCB sculpting techniques, and addon headers. Understand the challenges faced during development and the reasoning behind specific design choices.