Circuiteffectsprojects

 Hello friends

Circuit diagram

Arduino Code

    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);

  }

}

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