PIR Motion Sensor

PIR Sensor is a low priced small Passive Infrared Motion detection Sensor. Also known as IR (motion sensor) applies to projects that need to detect human or particle movement in certain range. Motion detection is used in a variety of applications and is easy to implement using PIR motion sensor. The applications which are included in PIR sensor are electromechanical system or proximity sensors for lighting and alarm sensors.

Where it can be used?

PIR Sensors is used in a wide variety of applications such as smart home, lighting control and IOT applications, security Alarm based on PIR sensors and someway it is also helpful in search and rescue operation by Human detection robots in multifunction printers, disasters etc. Being facile in use, hence can be used in diverse applications.

How it works?

It’s basic principles of working is that whenever it detects a change in Infrared radiation, it generates digital output signal. It is made up of 2slots of special material to IR, when somebody comes in sensor’s range, the former slot creates a positive differential voltage while on passing by the second slot makes it a negative deferential voltage. This change is detected in the sensor.

What it detects?

PIR Sensors is installed with such features that they can detect human or animal motion. The reason behind this is that Human’s emit infrared radiation. It comes with the mechanism that when humans come in sensing range of the PIR sensor, these changes in the radiation gets detected by the sensor resulting in the output sensor to go high.

Why to choose PIR (motion sensor)?

PIR Sensors allows you to sense motion. It always almost used in detecting whether movement has moved in or out of the sensors range. They are low in power, easy to use, inexpensive and don’t wear out. Thus, they are commonly found in gadgets and applications used in homes or businesses.

How PIR (motion sensors) Best suited?

The PIR Motion Sensors are having numerous benefits in switching your normal lightings to motion sensor lights.

Cost Savings: – By introducing the PIR motion sensor in the place of normal lights cost savings can be done to a large extent by changing how efficiently you can use your LEDs.
PIR motion sensor works in such a way that they give full power when coming in contact with a body, again reduce their power to half, when no motion is detected in the respective place, as it is dim to 20℅ with zero motion in the place.
Motion sensor are mainly useful in area where there are sustained periods of no human activity, such as car parking, lift lobby, Restrooms, office blocks etc.
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