#include <LiquidCrystal.h>
#include <IRremote.h>
#define PIN_TRIG 3
#define PIN_ECHO 2
#define PIN_RECEIVER 4 
bool bit_on = false;
IRrecv receiver(PIN_RECEIVER);
LiquidCrystal lcd(12, 11, 10, 9, 8, 7);
void setup() {
  Serial.begin(9600);
  pinMode(PIN_TRIG, OUTPUT);
  pinMode(PIN_ECHO, INPUT);
  lcd.begin(16, 2);
  // you can now interact with the LCD, e.g.:
  lcd.print("   power off");
  delay(1000);
  lcd.clear();
  receiver.enableIRIn(); // Start the receiver
}

void loop() {
  // Start a new measurement:
 if(bit_on == true){ 
//=======================  
  digitalWrite(PIN_TRIG, HIGH);
  delayMicroseconds(10);
  digitalWrite(PIN_TRIG, LOW);

  // Read the result:
  int duration = pulseIn(PIN_ECHO, HIGH);
  //lcd.print("  distance meter  ");
  lcd.setCursor(0,1);
  lcd.print("Distance ");
  lcd.print(duration / 58);
  lcd.print("   ");
  lcd.setCursor(14,1);
  lcd.print("cm");
  
  if (receiver.decode()) {
    translateIR();
    receiver.resume();  // Receive the next value
  }
  delay(1000);}
//=========================  
else{
  
  lcd.setCursor(0,0);
  lcd.print("   power off");
  if (receiver.decode()) {
    translateIR();
    receiver.resume();  // Receive the next value
  }
}
}
void translateIR()
{
  // Takes command based on IR code received
  switch (receiver.decodedIRData.command) {
    case 48:
      Serial.println("POWER");
      bit_on = !bit_on;
      lcd.clear();
      break;}}