Save Big on Coursera Plus. 7,000+ courses at $160 off. Limited Time Only! Grab it Learn the complete process of creating electronic conference badges in this 46-minute DEF CON talk that covers everything from initial concept development to mass production. Explore GPIO implementation, circuit design fundamentals, and firmware development while gaining hands-on experience with breadboarding and component assembly. Discover essential documentation practices, understand layer management, and master Gerber file generation. Get practical insights into budgeting, sourcing components, and selecting accessories to enhance badge functionality. Follow along with live demonstrations and real-world examples that illustrate the entire badge-making journey from simple prototypes to fully realized conference badges.