DIY passive stereo scanner: dual Raspberry Pi global-shutter cams + GPS for 50m 3D capture
ReedSealFoss · x · 2026-08-29
The author outlines a passive stereo scanning rig: emits nothing, uses tightly synced IMU+GPS and camera triggers, mounted on a drone to scan surfaces otherwise unreachable. His build targets 50m range with dual RPi global-shutter cameras and big lenses on a Jetson, running both cams at 1456x1088@60fps with GPIO-synced IMU/GPS triggering. He debates whether the Jetson is overkill—an Orange Pi Zero per camera, phase-synced via GPS, might suffice.
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