SmartElex AM312 PIR Motion Sensor
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SmartElex AM312 PIR Motion Sensor The SmartElex AM312 PIR Motion Sensor is a compact passive infrared sensor designed to detect human motion by sensing changes in infrared radiation. It helps automate systems by triggering actions only when movement is detected, making projects more energy efficient and responsive. This sensor is well suited for students, makers, engineers, educators, and startups who are working on electronics projects that require reliable motion detection in a small, low-power form factor. This PIR motion sensor is ideal for robotics, IoT devices, security systems, and automation projects, especially where battery-powered operation is important. It can be easily interfaced with popular development platforms such as Arduino, Raspberry Pi, and ESP32, allowing quick integration into prototypes and functional systems. Common applications include motion-activated lighting, smart alarms, occupancy detection, and low-power IoT monitoring solutions, where stable performance and simple integration are essential. Features: Compact PIR sensor for reliable human motion detection Detects movement using changes in infrared radiation Ultra-low power consumption suitable for battery-powered projects Digital output for easy interfacing with microcontrollers Fast response time for real-time motion detection Compatible with Arduino, Raspberry Pi, ESP32, and similar boards
- Compact AM312 PIR motion sensor for human detection
- Ultra-low power consumption for battery-powered projects
- Detects motion within a 3–5 meter range
- Digital high/low output for easy microcontroller interfacing
- Works with Arduino, Raspberry Pi, and ESP32
- Ideal for IoT, security, and automation applications
- Item Type Motion Sensor
- Model PIR Motion Sensor
- Model No. AM312
- Voltage Rating (V) 2.7 to 12
- Current Consumption (mA) <0.1
- Sensing Distance 3–5 meters (lens dependent)
- Sensing Angle Up to 100° cone
- Delay Time ~2 seconds
- Output Type Digital (High / Low)
- Operating Temperature (°C) -20 to +60
- Length (mm) 11
- Width (mm) 7
- Height (mm) 4
- Weight (g) 3