Motion Activated Automatic Room Light Using Mini PIR Sensor and Arduino Nano

Hello Friends welcome back to Techno-E-Solution, In this Video I'll show you how to make Room Light Automatic, The room light get automatically turn on when you someone enters in the room & get turn off after 15 sec when nobuddy in the room. so for making this project I'm going to use Mini PIR sensor also you can use PIR sensor. To Control AC Load I'm using a single channel relay module. I provide the complete details of the project like circuit diagram & Arduino code with demonstration Video.

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Step 1: MATERIAL REQUIRED

For making this project we need some components :-

Step 2: CIRCUIT DIAGRAM

Follow the circuit diagram for making a connection. I make this circuit in Easy EDA software.

Note:- Take the help of electrition to connect AC Load (Bulb), because it should be dangerous.

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Step 3: ARDUINO CODE

Simply Copy the following code & upload in your Arduino IDE software.

/*
 * Hello Friends Welcome To Techno-E-Solution
 * Here is the Code For Automatic Room Light Using Arduino
 */
 
#define PIR 4
#define Relay 6

void setup() 
{
 Serial.begin (9600);
 pinMode (PIR, INPUT_PULLUP);
 pinMode (Relay, OUTPUT); 
}

void loop() 
{
  int motion = digitalRead (PIR);
  if (motion)
  {
    Serial.println ("Motion Detected");
    digitalWrite (Relay,HIGH);
  }
  else 
  {
    Serial.println ("All Stable");
    digitalWrite (Relay,LOW); 
  }
  delay (100);
  }<br>

PIR_Light.ino
Download

Step 4: DEMONSTRATION

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