Explore the integration of Preempt-RT Linux patches into Raspberry Pi Linux in this informative conference talk. Delve into the challenges and solutions for implementing hard real-time requirements on the popular single-board computer platform. Learn about the specific hardware issues encountered and how they are addressed. Gain insights from Tiejun Chen, a VMware staff engineer with extensive experience in Linux, IoT, and edge computing. Discover the motivation behind this integration, examine the Raspberry Pi hardware, and understand the realtime links involved. Analyze the source code, issues, and compelling reasons for this implementation. Review evaluation tests, including latency measurements and realtime modulation, to assess the performance of Preempt-RT on Raspberry Pi. This presentation is ideal for developers, IoT enthusiasts, and anyone interested in enhancing Raspberry Pi's capabilities for real-time applications.