#include <Servo.h>
#include <LiquidCrystal.h>

int czujnik = 8;
int buzzer = 7;
Servo arm;
int pos = 0;
LiquidCrystal lcd(12, 11, 10, 9, 13, 4);

void setup()
 {
arm.attach(3,0,270);

lcd.begin(16, 2);
  

Serial.begin(9600);
pinMode(czujnik, INPUT);
Serial.println("Test czujnika");
pinMode(7, OUTPUT);


}

void loop() {
  int ruch = digitalRead(czujnik);

  if (ruch == HIGH)
  {   
lcd.clear();    
lcd.println("ruch!");
digitalWrite(7, HIGH);
tone(7,264);

for(pos = 0; pos <= 270; pos +=1){
  arm.write(pos);
}

 }
 else
{
 
 lcd.setCursor(0, 0);
  lcd.println("Nie wykryto ruchu ");
  noTone(7);
  arm.write(pos=0);
  
}
delay(500);
}