HC-SR505 is mini PIR (Passive Infra Red) motion sensor module, which as the name implies used for detecting the motion of a body in front of it. The device works based on infrared technology and it can automatic control by itself with high sensitivity and high reliability. Because of the minimum size and low-power operation mode, it widely used in battery-powered applications.
Applications
- Motion alarm
- Automatic lighting system
- Theft protection
- Staircase lighting system
- Hobby projects
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