HC-SR501 motion sensor PIR

Description

HC-SR501 motion sensor PIR

Description:

The HC-SR501 Passive Infrared (PIR) Motion Sensor is a highly effective electronic component designed for motion detection in various applications. It utilizes infrared radiation emitted by living beings to detect movement, making it an integral part of security systems, automated lighting, and energy-efficient solutions. The HC-SR501 is renowned for its simplicity and reliability, making it a popular choice for DIY electronics enthusiasts and professionals alike.

Key Features:

1. Passive Infrared Technology: The HC-SR501 employs passive infrared technology to detect changes in infrared radiation caused by moving objects, particularly warm-bodied living beings.
2. Motion Sensing: Designed for accurate motion detection within its field of view, making it ideal for security applications and automation systems.
3. Adjustable Sensitivity and Delay: Users can easily adjust both sensitivity and delay time, providing flexibility for different applications and minimizing false alarms.
4. Easy Integration: With a straightforward three-pin interface (VCC, OUT, GND), the HC-SR501 is easy to integrate into a wide range of electronic projects.
5. Wide Operating Voltage Range: Compatible with various voltage levels, typically operating between 4.5V and 20V, allowing flexibility in different electronic circuits.
6. Low Power Consumption: Designed for energy efficiency, the sensor minimizes power consumption, making it suitable for battery-operated devices.
7. Compact Design: The compact and lightweight design facilitates easy installation in various locations, enhancing its versatility.
8. Trigger Output: The sensor provides a digital output signal (HIGH or LOW) upon detecting motion, simplifying its integration with microcontrollers and other digital systems.

Specifications:

1. Operating Voltage: 4.5V to 20V DC.
2. Current Consumption: <50µA in standby mode, and around 50mA in active mode.
3. Detection Distance: Adjustable, typically up to 7 meters.
4. Detection Angle: Approximately 120 degrees.
5. Delay Time: Adjustable, typically ranging from 5 seconds to 300 seconds.
6. Output Signal: Digital HIGH (3.3V) when motion is detected, digital LOW (0V) in standby mode.
7. Trigger Mode: Repeatable (default) or non-repeatable, depending on application requirements.
8. Dimensions: Compact design, varying based on manufacturers, typically around 3.2 cm x 2.4 cm.