int led = 13;

int sensor = 2;

int state = LOW;

int val = 0;

void setup() {

pinMode(led, OUTPUT);

pinMode(sensor, INPUT);

Serial.begin(9600);

}

void loop(){

val = digitalRead(sensor);

if (val == HIGH) {

digitalWrite(led, HIGH);

delay(100);

if (state == LOW) {

Serial.println("Hareket

Basladi");

state = HIGH;

}

}

else {

digitalWrite(led, LOW);

delay(200);

if (state == HIGH){

Serial.println("Hareket

Durdu");

state = LOW;

}

#include <Servo.h>

Servo motor;

int pot = A0;

void setup() {

motor.attach(5);

pinMode(pot, INPUT);

}

void loop() {

int potokunan = analogRead(pot);

int aci = map(potokunan, 0, 1023, 0, 180);

motor.write(aci);

delay(10);

}

const int trigger_pin = 12;

const int echo_pin = 13;

const int buzzer = 2;

const int mled = 3;

const int yled = 4;

const int sled = 5;

const int kled = 6;

int sure;

int mesafe;

void setup()

{ pinMode(kled, OUTPUT);

pinMode(sled, OUTPUT);

pinMode(yled, OUTPUT);

pinMode(mled, OUTPUT);

pinMode(buzzer, OUTPUT);

pinMode(trigger_pin, OUTPUT);

pinMode(echo_pin, INPUT);

Serial.begin(9600);}

void loop()

{ digitalWrite(trigger_pin, HIGH);

delayMicroseconds(1000);

digitalWrite(trigger_pin, LOW);

sure = pulseIn(echo_pin, HIGH);

mesafe = (sure / 2) / 28.5;

if (mesafe <= 10) { digitalWrite(kled, HIGH);

digitalWrite(buzzer, HIGH);

delay(50);

digitalWrite(kled, LOW);

digitalWrite(buzzer, LOW);

delay(250); }

else if (mesafe <= 25)

{ digitalWrite(sled, HIGH);

digitalWrite(buzzer, HIGH);

delay(50);

digitalWrite(sled, LOW);

digitalWrite(buzzer, LOW);

delay(500); }

else if (mesafe <= 50) {

digitalWrite(yled, HIGH);

digitalWrite(buzzer, HIGH);

delay(50);

digitalWrite(yled, LOW);

digitalWrite(buzzer, LOW);

delay(750); }

else {

digitalWrite(mled, HIGH);

delay(1000);

digitalWrite(mled, LOW);

delay(1000);

}

}