AM312 human sensor module is a compact digital intelligent automatic control device based on passive infrared PIR technology. It offers high sensitivity and reliable operation with low power consumption, and features internal digital signal processing and direct high or low level output. Key benefits - High sensitivity and reliable motion detection - Low power consumption for energy efficiency - Small form factor suitable for compact devices - Internal digital signal processing for stable sensing and reduced false triggers - Direct high level or low level output for easy interfacing with microcontrollers and control circuits Function and compatibility - Designed for use in automatic induction devices that respond to occupancy or movement - Commonly used in automatic control of lights, ventilation, and other occupancy-based systems Performance highlights - Based on passive infrared sensing - Anti-interference characteristics for improved reliability - Simple integration with standard logic levels Size and form factor - Small module suitable for tight enclosures and compact assemblies Use scenarios - Corridor or stairwell lighting activated by presence - Office or classroom automatic lighting and fan control - Smart home or small business installations for energy saving through occupancy-based automation