PIR Motion Sensor Module 2 Pcs Human Presence Detector Energy Saving Auto Switch for Microcontrollers

2 Pcs Semiconductor Pyroelectric PIR IR Sensor Human Detector for Microprocessors Automatic Switch Overview Pack of two solidstate pyroelectric passive infrared sensors designed to detect human presence and provide a switchable output for microprocessorbased projects. Suitable for integration into automatic switching, occupancy sensing, and motiontriggered control systems. Key benefits Detects human infrared emissions to trigger automatic responses, reducing the need for manual switching. Designed for direct integration with microprocessors and microcontroller projects, simplifying prototyping and development. Solidstate semiconductor construction for consistent, repeatable detection in typical indoor environments. Dual pack provides redundancy or the ability to deploy in multiple locations without additional . What this product solves Automates lights, fans, or small appliances when human presence is detected, reducing wasted energy from manual operation. Adds motionbased input to control systems without complex signal processing or additional sensors. Speeds up development by providing a readymade infrared detection element that outputs a usable control signal for automatic switching. Features and attributes Function: Passive infrared detection of human movement and presence, with output suitable for automatic switch applications. Compatibility: Intended for use with microprocessors and microcontroller platforms in embedded projects and prototypes. Construction: Semiconductor pyroelectric sensor element for reliable infrared sensing. Package: Two identical sensor units supplied for use in multiple circuits or for backup deployment. Performance: Designed to produce a clear detection signal for microprocessor input, enabling quick response in control logic. Practical applications Automatic lighting: Trigger corridor, stairway, or closet lighting to turn on only when people are present. Occupancybased control: Integrate into HVAC or ventilation controls to enable demanddriven operation in rooms and offices. Motiontriggered switching: Use as a sensor input for security systems, timed appliances, or interactive installations. Why choose this sensor Simple integration into microprocessor projects to add human presence awareness. Two units per pack allow flexible deployment for prototypes, small installations, or maintenance spares. Straightforward functionality that supports automatic switching use cases without requiring extensive hardware changes. Compatibility note Suitable for projects that accept standard sensor input signals from passive infrared detectors. Verify voltage and interface requirements in your specific microprocessor or controller documentation before connecting. Suitable for DIY, prototyping, and embedded system applications where reliable human presence detection is needed.