Description M5Stack PIR Motion Sensor is a compact PIR motion sensor module built for simple human motion detection in M5Stack and Grove-based projects. Using passive pyroelectric infrared sensing, the M5Stack PIR Motion Sensor reacts to infrared changes caused by people or warm moving objects, making the M5Stack PIR Motion Sensor a practical option for low-power triggers, room presence sensing, and motion activated lighting. If you need a PIR motion sensor that is easy to wire and easy to program, the M5Stack PIR Motion Sensor is a strong fit. The combination of direct digital output, low standby current, and clean Grove connectivity makes the M5Stack PIR Motion Sensor suitable for human motion detection, motion activated lighting, entry alarms, and compact smart security sensor projects. Features M5Stack PIR Motion Sensor for direct human motion detection. PIR motion sensor based on passive pyroelectric infrared detection. Digital high-level trigger output when motion is detected. Approximate 2-second trigger hold for stable repeated sensing behavior. Grove interface for fast connection to M5Stack hosts and microcontrollers. Works well for motion activated lighting, alarms, and smart security sensor nodes. Supports UIFlow and Arduino workflows in the M5Stack ecosystem. Specifications Item Details Brand M5Stack Model PIR Motion Sensor SKU U004 Main Function Human motion detection with digital trigger output Sensor Type PIR motion sensor Detection Distance Up to 500cm Sensing Range < 100° Delay Time Approx. 2s Quiescent Current < 60uA Operating Temperature -20 to 80°C Interface Grove / digital output Product Size 32 x 24 x 12mm Net Weight 5g Applications Motion activated lighting for hallways, closets, and room triggers. Smart security sensor projects for occupancy alarms and entry detection. Human motion detection in smart appliances and auto wake-up logic. Interactive devices that need a simple PIR motion sensor trigger. M5Stack controller projects using Grove wiring and digital event input. Product List PIR Motion Sensor x1 Grove cable x1 Other Content Resources PIR Motion Sensor Product Documentation PIR Motion Sensor Manual PDF PIR Motion Sensor Schematic Preview UIFlow Arduino FAQ What does the M5Stack PIR Motion Sensor detect?The M5Stack PIR Motion Sensor is used for human motion detection. It senses infrared changes from people or warm moving objects and outputs a high signal when motion is detected. Is this a good sensor for motion activated lighting?Yes. The M5Stack PIR Motion Sensor is a practical PIR motion sensor for motion activated lighting, because it offers simple digital triggering and low standby current. Can it be used as a smart security sensor?Yes. The M5Stack PIR Motion Sensor works well as a compact smart security sensor for entry alerts, occupancy triggers, and motion-based automation.