👁️ HC-SR505 Mini PIR Motion Sensor 👁️
The HC-SR505 Mini PIR sensor is one of the smallest passive infrared motion detectors, designed for low-power and compact applications. It detects human motion within a 3–7m range and outputs a digital signal, making it easy to integrate with controllers like Arduino or Raspberry Pi.
✅ Technical Specifications:
- Model: HC-SR505.
- Sensor Type: PIR (Passive Infrared).
- Operating Voltage: 4.5V – 20V DC.
- Output: Digital (High/Low).
- Detection Angle: ~100° ± 15°.
- Detection Range: ~3 – 7 meters.
- Output Time: Fixed 8 seconds.
- Power Consumption: < 60µA.
- Dimensions: ~10 × 23 mm.
- Approximate Weight: 7 g.
🔹 Key Features:
✔ Ultra-compact and lightweight design.
✔ Very low power consumption – ideal for battery-powered devices.
✔ Detection range up to 7 meters with wide angle.
✔ Easy integration with microcontrollers.
✔ Perfect for auto-lighting and security systems.
📌 Common Applications:
- Smart lighting systems (auto ON/OFF).
- Security alarms and motion detection.
- Arduino and Raspberry Pi learning projects.
- Robotics and interactive systems.
- Home automation devices.