Bringing Up the LSM6DSL IMU on Raspberry Pi: DT Overlays, IIO, FIFO, and the No-IRQ Reality
Published at December 4, 2025 · 7 min read
A deep, practical walkthrough of integrating the LSM6DSL IMU with Raspberry Pi 5 using I²C: Device Tree overlays, IIO buffer behavior, FIFO frames, debugging probe failures, and implementing a user-space polling fallback when no IRQ is available.