PIR Motion Sensor Detector Module HC-SR501

The PIR Motion Sensor Detector Module HC SR501 allows you to sense motion. It is almost always used to detect the motion of a human body within the sensor’s range. It is often referred to as using “PIR”, “Pyroelectric”, “Passive Infrared” and “IR Motion” sensors.

If you want to build a device that is used to detect sense motion and almost always used to detect whether a human has moved in or out of the sensor range. Then this Sensor is needed for you. you can buy this sensor from inventkart.com at a reasonable price.

The module has an onboard pyroelectric sensor, conditioning circuitry, and a dome-shaped Fresnel lens. It has a delay time adjustment Potentiometer and sensitivity adjustment Potentiometer. Compatible with ARDUINO, RASPBERRY PI, AVR, PIC, 8051, etc.

The PIR Motion Sensor Detector Module HC-SR501 is a small, versatile electronic component widely used in various applications, ranging from security systems to automation. With its compact size and low power consumption, the HC-SR501 offers remarkable capabilities in detecting motion through changes in infrared radiation within its detection range.

At its core, the HC-SR501 operates based on the principles of passive infrared technology. It comprises a pyroelectric sensor that detects changes in infrared levels emitted by objects within its field of view. When an object moves across its detection range, the sensor registers variations in the received infrared radiation, triggering the module’s output signal.

One of the key features of the HC-SR501 module is its adjustable sensitivity and time delay settings. Users can fine-tune these parameters to suit specific application requirements. Sensitivity adjustment allows users to control the module’s responsiveness to motion, while the time delay setting determines how long the output signal remains active after detecting motion. This flexibility makes the HC-SR501 adaptable to a wide range of scenarios, from detecting subtle movements in indoor environments to monitoring larger areas outdoors.

Installation and integration of the HC-SR501 module are relatively straightforward. The module typically consists of three pins for power supply (VCC and GND) and output (OUT). By connecting it to a suitable power source, such as a microcontroller or a power supply unit, and configuring the output signal interface, users can seamlessly incorporate the module into their projects or systems.

In practical applications, the HC-SR501 module finds extensive use in security systems, where it serves as a motion detector to trigger alarms or activate surveillance cameras upon detecting intrusions. Its ability to operate effectively in various lighting conditions, coupled with adjustable sensitivity, ensures reliable performance in diverse environments.

Moreover, the HC-SR501 module plays a vital role in home automation setups, enabling automated lighting control, energy-saving measures, and occupancy-based systems. By integrating the module with smart home platforms or microcontroller boards like Arduino, users can create intelligent systems that respond to human presence or movement, enhancing both convenience and energy efficiency.

Beyond security and automation, the HC-SR501 module finds applications in fields such as robotics, wildlife monitoring, and industrial automation. Its compact form factor, low power consumption, and reliable performance make it a preferred choice for motion-sensing tasks in these domains.

In conclusion, the PIR Motion Sensor Detector Module HC-SR501 stands as a versatile and efficient solution for motion detection applications. With its passive infrared technology, adjustable sensitivity, and easy integration capabilities, the module empowers users to create sophisticated systems for security, automation, and beyond. Whether deployed in homes, offices, or industrial settings, the HC-SR501 module continues to prove its value as a reliable motion-sensing solution in diverse environments.

To know more about how to interface the PIR sensor with raspberry Pi Click here!

Note: The Product is available in two colors Blue and Green, therefore you may get any one of them.

Circuit Diagram of PIR Sensor With Arduino:

 Features :

1. Infrared Sensor with Control Circuit Board
2. The Sensitivity and Holding Time are adjustable.
3. Blockade time: 2.5s (Default)
4. Sensitive Setting: Turn to Right, Distance Increases (About 7M); Turn to Left, Distance Reduce (About 3M)
5. Time Setting: Turn to Right, Time Increases (About 200S); Turn to Left, Time Reduce (About 5S).

Package Includes :