Jib Sensor

#include <LiquidCrystal.h>

LiquidCrystal lcd( 8, 9, 4, 5, 6, 7 );

int pingPin = 2;
int redLED = 3;
int greenLED = 12;
int blueLED = 11;

void setup() {

   pinMode(redLED, OUTPUT);
   pinMode(greenLED, OUTPUT);
   pinMode(blueLED, OUTPUT);

  // set up the LCD's number of columns and rows:
  lcd.begin(16, 2);
  //lcd.setCursor(2, 0);
  //lcd.print("COMPANYY NAME);
  //lcd.setCursor(3, 1);
  //lcd.print("Jib Sensor");
  //delay(5000);

}

void loop(){
  // establish variables for duration of the ping,
  // and the distance result in inches and centimeters:
  long duration, inches, cm;

  // The PING))) is triggered by a HIGH pulse of 2 or more microseconds.
  // Give a short LOW pulse beforehand to ensure a clean HIGH pulse:
  pinMode(pingPin, OUTPUT);
  digitalWrite(pingPin, LOW);
  delayMicroseconds(2);
  digitalWrite(pingPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(pingPin, LOW);

  // The same pin is used to read the signal from the PING))): a HIGH
  // pulse whose duration is the time (in microseconds) from the sending
  // of the ping to the reception of its echo off of an object.
  pinMode(pingPin, INPUT);
  duration = pulseIn(pingPin, HIGH);

  // convert the time into a human readable distance
  inches = microsecondsToInches(duration);
  cm = microsecondsToCentimeters(duration);

  //High Warning
  if (inches > 6 && inches < 18){
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("Caution - HIGH");
    lcd.setCursor(0, 1);
    lcd.print(inches);
    lcd.print(" in");
    setColor(255, 255, 0); //Yellow
    delay(1500);
    setColor(0, 0, 0); //Off
    delay(500);

  }

      //High DANGER
else if (inches < 6){
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("TOO HIGH!");
    lcd.setCursor(0, 1);
    lcd.print(inches);
    lcd.print(" in");
    setColor(255, 0, 0);  //Red
    delay(150);
    setColor(0, 0, 0);  //Off

  }

      //Low Warning
else if (inches < 48 && inches >60){
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("Caution - LOW");
    lcd.setCursor(0, 1);
    lcd.print(inches);
    lcd.print(" in");
    setColor(255, 255, 0);  //Yellow
    delay(1500);
    setColor(0, 0, 0);  //Off
    delay(500);

  }

    //Low DANGER
else if (inches > 60){
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("TOO LOW!");
    lcd.setCursor(0, 1);
    lcd.print(inches);
    lcd.print(" in");
    setColor(255, 0, 0);  //Red
    delay(150);
    setColor(0, 0, 0);  //Off

  }

  else {

  // clear lcd content
  lcd.clear();
  // set the cursor to column 0, line 0
  // (note: line 1 is the second row, since counting begins with 0):
  lcd.setCursor(0, 0);
  lcd.print("Current Distance");
  lcd.setCursor(0, 1);
  lcd.print(inches);
  lcd.print(" in");
  setColor(0, 255, 0);  //Green
  }

  //delay(100);

}

long microsecondsToInches(long microseconds){
  // According to Parallax's datasheet for the PING))), there are
  // 73.746 microseconds per inch (i.e. sound travels at 1130 feet per
  // second).  This gives the distance travelled by the ping, outbound
  // and return, so we divide by 2 to get the distance of the obstacle.
  return microseconds / 74 / 2;}

long microsecondsToCentimeters(long microseconds){
  // The speed of sound is 340 m/s or 29 microseconds per centimeter.
  // The ping travels out and back, so to find the distance of the
  // object we take half of the distance travelled.
  return microseconds / 29 / 2;}

  void setColor(int red, int green, int blue)
{
  analogWrite(redLED, red);
  analogWrite(greenLED, green);
  analogWrite(blueLED, blue);
}