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Make a home automation system using PIR Sensor with Led interfacing with Arduino uno

Category: Arduino Compatible Kits Tags: Arduino Uno, Home Automation System, PIR Sensor

Description
Reviews (0)

KIT INCLUDES:

HARDWARE REQUIRED

SOFTWARE REQUIRED

Arduino IDE

You can download it from this link: https://www.arduino.cc/en/Main/Software

SPECIFICATIONS

PIR SENSOR

A PIR(Passive Infrared) sensor is a motion detector which detects the heat (infrared) emitted naturally by humans and animals. When a person in the field of vision of the sensor moves, the sensor detects a sudden change in infrared energy and the sensor is triggered (activated).They are commonly used in security lighting and alarm systems in an indoor environment. The PIR sensors have a range of approximately 6 meters, depending on conditions. The sensor adjusts to slowly changing conditions that occur normally within the environment, but shows a high-output response when a sudden change takes place

Operating Voltage: 5V – 20V
Power Consumption: 65mA
TTL output: 3.3V, 0V
Delay time: Adjustable (.3->5min)
Lock time: 0.2 sec
Trigger methods: L – disable repeat trigger, H enable repeat trigger
Sensing range: less than 120 degree, within 7 meters
Operating Temperature: – 15 ~ +70

PIN DESCRIPTION

led

PIR MOTION SENSOR

CIRCUIT DESCRIPTION

Connecting the PIR Sensor to Arduino

-The PIR Sensor Has Screen Printed: + – Out

-Hook The + To 5v, – To Ground And Out To Pin 7

-The Take the LED and Put Power to Pin 8 and Ground To Ground.

CODE

Click to open the code or copy the link:

https://docs.google.com/document/d/e/2PACX-1vQOu0nn7Nc41mOuRSWrFURwL6PoJ6r7uCIXpeSvVDMGk3sI_xzL7PpLM_BSkVMMyGmsC2HCAM6NfAAn/pub

WORKING

When the motion detect by motion sensor, data will be process and circuit will be completed and LED starts glowing.

All the body generate some heat energy in the form of infrared which is invisible to human eyes.But,It can be detected by electronic sensor. These type of sensor is made up of crystalline material that is Pyroelectric. In this project, we are using P.I.R. Motion Sensor Module as an infrared sensor that generates electric charge when exposed in heat and sends a signal to Arduino. According to level of the infrared in front of sensor, Arduino gives the output and glows the L.E.D.A simple program is running on Arduino which checks sensor if anything is moved or new object has been detected.

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