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 Watch Full Detailed video 👇🏻 Diagram in Video👆 //Arduino Code// //YouTube: Harish Projects //Order Electronic Parts & Project kit:  HarishProjects.com // #include <Servo.h> Servo servo1; const int trigPin = 12; const int echoPin = 11; long duration; int distance=0; int potPin = A0; //input pin int soil=0; int fsoil; void setup()  {   Serial.begin(9600); //Serial.print("Humidity"); pinMode(trigPin, OUTPUT);  pinMode(echoPin, INPUT);  servo1.attach(8); } void loop()  { //YouTube: Harish Projects //Order Electronic Parts & Project kit:  HarishProjects.com //      int soil=0;   for(int i=0;i<2;i++)   { digitalWrite(trigPin, LOW); delayMicroseconds(7); digitalWrite(trigPin, HIGH); delayMicroseconds(10); digitalWrite(trigPin, LOW); delayMicroseconds(10); duration = pulseIn(echoPin, HIGH); distance= duration*0.034/2+distance; delay(10);   }   distance=distance/2;   Serial.println(distance); if (distance <20 && distance>1) {   delay(1000); for(int i

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 Full Making video Link - https://youtu.be/nz6UnFjr__g

//Arduino Code//


const int trigPin = 12;
const int echoPin = 13;

const int LED1 = A0;
const int LED2 = A1;
const int LED3 = A2;
const int LED4 = A3;
const int LED5 = A4;
const int LED6 = A5;
const int LED7 = 2;

int duration = 0;
int distance = 0;

void setup() 
{
  pinMode(trigPin , OUTPUT);
  pinMode(echoPin , INPUT);
  
  pinMode(LED1 , OUTPUT);
  pinMode(LED2 , OUTPUT);
  pinMode(LED3 , OUTPUT);
  pinMode(LED4 , OUTPUT);
  pinMode(LED5 , OUTPUT);
  pinMode(LED6 , OUTPUT);
  pinMode(LED7 , OUTPUT);
  
  Serial.begin(9600);

}

void loop()
{
 digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);  
  duration = pulseIn(echoPin, HIGH);
  distance = duration/58.2;

  if ( distance <= 7 )
  {
    digitalWrite(LED1, HIGH);
  }
  else
  {
    digitalWrite(LED1, LOW);
  }
  if ( distance <= 14 )
  {
    digitalWrite(LED2, HIGH);
  }
  else
  {
    digitalWrite(LED2, LOW);
  }
  if ( distance <= 21 )
  {
    digitalWrite(LED3, HIGH);
  }
  else
  {
    digitalWrite(LED3, LOW);
  }
  if ( distance <= 28 )
  {
    digitalWrite(LED4, HIGH);
  }
  else
  {
    digitalWrite(LED4, LOW);
  }
  if ( distance <= 35 )
  {
    digitalWrite(LED5, HIGH);
  }
  else
  {
    digitalWrite(LED5, LOW);
  }
  if ( distance <= 42 )
  {
    digitalWrite(LED6, HIGH);
  }
  else
  {
    digitalWrite(LED6, LOW);
  }
  if ( distance <= 49 )
  {
    digitalWrite(LED7, HIGH);
  }
  else
  {
    digitalWrite(LED7, LOW);
  }
  delay(100);
}

//Project Diagram//


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