Explore strategies for efficient root-cause analysis in electronics debugging through this 31-minute Hackaday conference talk by Daniel Samarin. Learn about essential tools, infrastructure, and techniques to quickly identify issues across firmware, circuits, connections, and mechanical components. Discover how to differentiate between various problem sources and focus efforts on the correct solutions. Gain insights into using logic analyzers, continuity tests, test points, and specialized tools like stethoscopes and vibration sensors. Understand when debugging is appropriate and when alternative approaches may be more suitable.