상황
An Arduino reads an LDR for ambient light and a PIR for motion. If it's dark and motion is detected, the light turns on for 5 minutes, then turns off. Otherwise, no action is taken.
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01
Is the ambient light below threshold (dark)?
02
Is motion detected by the PIR sensor?
Use this flowchart when designing a simple, event-driven smart lighting system that reacts to room occupancy only in low-light conditions.