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You are here: Home » Arduino : Light ON One By One Following Foot Steps on Hallway

By Abhishek Ghosh May 12, 2018 1:24 am Updated on May 12, 2018

Arduino : Light ON One By One Following Foot Steps on Hallway

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This idea is good for automatic turning on and off multiple lights one by one while a person is walking staircase or walking through a passage or hallway. As IR Obstacle Sensors has physical limits, we can not use if the passage is wide like a road – it will fail for physical reasons. Human is not much thick too! In our previous guides – Arduino IR Obstacle Detection Sensor For Dimming LED and Arduino LED Switch On By Push Button Switch Off By IR Obstacle Sensor, we turned LED off facing obstacle.

Arduino Light ON One By One Following Foot Steps on Hallway

 

Arduino : Light ON One By One Following Foot Steps on Staircase

 

We can reverse the action i.e. TURN ON LED facing obstacle by minimum modification :

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int LED = 13;
int obstaclePin = 7;  
int hasObstacle = HIGH;
 
void setup() {
  pinMode(LED, OUTPUT);
  pinMode(obstaclePin, INPUT);
}
void loop() {
  hasObstacle = digitalRead(obstaclePin);
  if (hasObstacle == HIGH)
  {
    digitalWrite(LED, HIGH);
  }
  else
  {
    digitalWrite(LED, LOW);
  }
  delay(200);
}

With Arduino, We Can Turn Light ON One By One Following Foot Steps on Staircase or Hallway. So As the Person Leave a Position, Light Turns Off. That is possible if we use multiple IR Obstacle Detection Sensors and multiple LEDs as model and in real, instead of LED, AC light with relay module.

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With four IR Obstacle Sensors and 6 LEDs, circuit diagram is practically same like older guide. Only each LED and IR will use different pins.

With four IR Obstacle Sensors and 6 LEDs, our code will go like this :

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int ir1=2;
int ir2=3;
int ir3=4;
int ir4=5;
int led1=6;
int led2=7;
int led3=8;
int led4=9;
int led5=10;
int led6=11;
int proxy1=0;
int proxy2=0;
int proxy3=0;
int proxy4=0;
void setup()
{
pinMode(ir1,INPUT);
pinMode(ir2,INPUT);
pinMode(ir3,INPUT);
pinMode(ir4,INPUT);
pinMode(led1,OUTPUT);
pinMode(led2,OUTPUT);
pinMode(led3,OUTPUT);
pinMode(led4,OUTPUT);
pinMode(led5,OUTPUT);
pinMode(led6,OUTPUT);
}
void loop(){
proxy1=digitalRead(ir1);
proxy2=digitalRead(ir2);
proxy3=digitalRead(ir3);
proxy4=digitalRead(ir4);
if(proxy1==HIGH)
{
digitalWrite(led1,LOW);
digitalWrite(led2,LOW);
digitalWrite(led3,LOW);
}
else
{
digitalWrite(led1,HIGH);
digitalWrite(led2,HIGH);
digitalWrite(led3,HIGH);
}
if(proxy2==HIGH)
{
digitalWrite(led2,LOW);
digitalWrite(led3,LOW);
digitalWrite(led4,LOW);
}
else
{
digitalWrite(led2,HIGH);
digitalWrite(led3,HIGH);
digitalWrite(led4,HIGH);
}
if(proxy3==HIGH)
{
digitalWrite(led3,LOW);
digitalWrite(led4,LOW);
digitalWrite(led5,LOW);
}
else
{
digitalWrite(led3,HIGH);
digitalWrite(led4,HIGH);
digitalWrite(led5,HIGH);
}
if(proxy4==HIGH)
{
digitalWrite(led4,LOW);
digitalWrite(led5,LOW);
digitalWrite(led6,LOW);
}
else
{
digitalWrite(led4,HIGH);
digitalWrite(led5,HIGH);
digitalWrite(led6,HIGH);
}
}

Tagged With arduino staircase light , arduino turn on led one by one , paperuri:(6c03cdb89bf238ddbbcf4940a001a0b3)

This Article Has Been Shared 623 Times!

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Abhishek Ghosh

About Abhishek Ghosh

Abhishek Ghosh is a Businessman, Orthopaedic Surgeon, Author and Blogger. You can keep touch with him on Twitter - @AbhishekCTRL.

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About This Article

Cite this article as: Abhishek Ghosh, "Arduino : Light ON One By One Following Foot Steps on Hallway," in The Customize Windows, May 12, 2018, January 24, 2021, https://thecustomizewindows.com/2018/05/arduino-light-on-one-by-one-following-foot-steps-on-hallway/.

Source:The Customize Windows, JiMA.in

 

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