توضیحات
HC-SR501 PIR Motion Sensor Module
HC-SR501 auto-senses light for various applications (in house, basement, outdoor, warehouse, garage, etc,) for ventilator control, alarm, etc.
Features:
- Automatic infrared detection (LHI778 probe design)
Output goes high when objects enter the sensing range, and automatically returns to low when object leaves - Optional photosensitive control
- Optional temperature compensation
- Trigger mode jumper
- L: Non-repeatable / delay mode: sensor goes low after the delay, regardless of the presence of the object.
- H: Repeatable: sensor stays high as long as any object is detected during the delay time.
- Wide operating voltage range
- Micro-amp power
- Output high signal: easy to achieve docking with the various types of circuit.
- Infrared technology (LHI778 probe design)
- high sensitivity | high reliability
- widely used especially for battery-powered products.
Specifications:
| Voltage | ۴٫۸ V – ۲۰ V |
| Current (idle) | <50 µA |
| Logic output | ۳٫۳ V / 0 V |
| Delay time | ۰٫۳ s – ۲۰۰ s, custom up to 10 min |
| Lock time | ۲٫۵ s (default) |
| Trigger | repeat : L = disable , H = enable |
| Sensing range | <120 °, within 7 m |
| Temperature | – ۱۵ ~ +۷۰ °C |
| Dimension | ۳۲ x 24 mmscrew-screw 28 mm, M2 Lens diameter: 23 mm |
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