This video about Home Security System | security alarm system for home
Motion Sensor
Price Rs1950
230v Alarm
Price Rs1450
Shop :-
South West Engineering
Aluthgama
(WhatsApp msg Only - 0726825927 )
A motion sensor is a device used to detect movement or motion in its surroundings. It's commonly used in various applications, such as security systems, home automation, and even in some industrial processes. The primary purpose of a motion sensor is to sense changes in its environment and trigger a response based on those changes.
There are several types of motion sensors, each utilizing different technologies to detect motion:
1. Passive Infrared (PIR) Sensors: PIR sensors detect changes in infrared radiation emitted by objects. They work by sensing the heat emitted by living beings and other objects. When a warm object moves across the sensor's field of view, it triggers a response, such as turning on a light or activating an alarm.
2. Ultrasonic Sensors: Ultrasonic sensors emit high-frequency sound waves and measure the time it takes for the waves to bounce back after hitting an object. Changes in the time it takes for the waves to return indicate motion. These sensors are often used in automatic doors, parking sensors, and occupancy detection.
3. Microwave Sensors: Microwave sensors emit microwaves and measure the reflection of those waves. When an object moves within the sensor's range, it disrupts the microwave pattern, triggering the sensor. These sensors are used in automatic doors, motion-activated lights, and some security systems.
4. Dual Technology Sensors: These sensors combine two different technologies, such as PIR and microwave or PIR and ultrasonic, to reduce false alarms and increase accuracy. Both technologies must detect motion to trigger the sensor.
5. Image and Video-based Sensors: These sensors use cameras or image sensors to capture visual information. Advanced algorithms analyze the images for changes in pixels, identifying motion based on these changes. These sensors are often used in security cameras and smart surveillance systems.
6. Laser Sensors: Laser-based motion sensors emit laser beams and detect changes in the reflection pattern caused by moving objects. These sensors are used in applications where precise motion detection is required.
Motion sensors are commonly integrated into various devices, such as security systems to detect intruders, lighting systems to activate lights when someone enters a room, and smart home devices to automate actions based on occupancy. They play a crucial role in improving convenience, security, and energy efficiency in various settings.
Motion Sensor
Price Rs1950
230v Alarm
Price Rs1450
Shop :-
South West Engineering
Aluthgama
(WhatsApp msg Only - 0718949183 )
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