A security rover should be a mobile camera and alert platform, not a confrontation machine.
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A Raspberry Pi security robot is best treated as a mobile camera, light and alert platform. It can patrol a garage, workshop or yard, but it should not confront people or use unsafe deterrents.
Focus on reliable video, night lighting, docking and remote control. Add object detection after the camera stream and alerts are stable.
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Indoor wheels, bright LED and dock near an outlet.
Bigger wheels, weather cover and slower movement.
Use alerts carefully and follow local rules. A light and phone notification are safer defaults.
No. Motion alerts and remote viewing are enough for the first version.
Only with weather protection, larger wheels and conservative power design.
Start with this prompt prefilled, then let RoboHub generate the live parts list, wiring plan, CAD and firmware.