'Mikey Myers Halloween' Arduino project

1/* 'Mikey Myers Halloween' project
2
3    Componenets:
4                  -  Arduino Nano
5                  - Ultrasonic sensor
6                  - Servo  motor
7                  - Breadboard
8                  - Some jumper wires
9
10    Created on 7 November 2022 by c010blind3ngineer
11*/
12
13#include <Servo.h>
14
15#define  trigPin 7
16#define echoPin 8
17
18Servo myServo;
19const int servoPin = 9;
20int  servoPos = 90;
21
22void setup() {
23  Serial.begin(9600);
24  myServo.attach(servoPin);
25  pinMode(trigPin, OUTPUT);
26  pinMode(echoPin, INPUT);
27}
28
29void loop()  {
30  long duration, distance;
31  digitalWrite(trigPin, LOW);
32  delayMicroseconds(2);
33  digitalWrite(trigPin, HIGH);
34  delayMicroseconds(10);
35  digitalWrite(trigPin,  LOW);
36  duration = pulseIn(echoPin, HIGH);
37  distance = duration / 58;
38
39  if (distance >= 200 || distance <= 0) {
40    Serial.println("Out of range");
41  }
42  if (distance <= 40) {
43    myServo.write(45);
44    delay(500);
45    myServo.write(servoPos);
46  }
47
48  Serial.print(distance);
49  Serial.println("  cm");
50  delay(250);
51
52}
53