#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>
#define BLYNK_PRINT Serial
#include <Servo.h>
#include <Ultrasonic.h>
#define trigPin 05
#define echoPin 04
Ultrasonic ultrasonic (05,04);
Servo servo;
int sound = 250;
void setup() {
Serial.begin (9600);
pinMode(trigPin, OUTPUT);
pinMode(echoPin, INPUT);
servo.attach(0);
//blynk
char auth [] =  "DQE0nrb27s3yAJm9CO_kYDl99yh_H7_H";
char ssid [] = "........";
char pass [] = "........";
}
void loop() {
long duration, distance;
digitalWrite(trigPin, LOW);
delayMicroseconds(2);
digitalWrite(trigPin, HIGH);
delayMicroseconds(10);
digitalWrite(trigPin, LOW);
duration = pulseIn(echoPin, HIGH);
distance = duration/ 200;
if (distance < 5) {
Serial.println("the distance is less than 5");
servo.write(90);
}
else {
servo.write(0);
}
if (distance > 60 || distance <= 0){
Serial.println("The distance is more than 60");
}
else {
Serial.print(distance);
Serial.println(" cm");
}
delay(00);
}