HC-SR501 PIR Motion Sensor Module – Infrared Pyroelectric Detector for Arduino, Raspberry Pi, and DIY Electronics Projects
HC-SR501 PIR Motion Sensor Module – Infrared Pyroelectric Detector for Arduino, Raspberry Pi, and DIY Electronics Projects
The HC-SR501 Infrared PIR Motion Sensor Module is a highly sensitive and energy-efficient motion detection device that uses pyroelectric infrared technology to detect movement from humans or animals. This compact sensor is widely used in Arduino, Raspberry Pi, and other microcontroller-based projects for automation, security systems, and motion-activated devices.
Designed with adjustable sensitivity and delay time, the HC-SR501 offers excellent flexibility for a wide range of indoor applications. It detects infrared radiation emitted by moving objects, triggering a digital HIGH signal that can easily interface with microcontrollers.
Key Features:
Detection Range: 3 to 7 meters (adjustable)
Detection Angle: 100° horizontal
Power Supply Voltage: 4.5V to 20V DC
Output Type: Digital (HIGH/LOW) signal
Trigger Modes:
Repeatable trigger (H mode)
Non-repeatable trigger (L mode)
Adjustable Delay Time: 5 seconds to 300 seconds
Sensitivity Adjustment: Easily adjustable via onboard potentiometer
Low Power Consumption: Ideal for battery-powered applications
Stable Performance: Built-in voltage regulator and dual IR sensors for reliable operation
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PCB Layout & Design Rules:
- All diagrams must be clear and properly labeled.
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- Files will be delivered in Gerber and/or PDF format as requested.
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