Servo ESP32 Simulator di Wokwi - Jurnalku by Fajar Himawan

 

Servo ESP32 - CODING 1

Servo ESP32 - CODING 2

Servo Arduino Uno - CODING 3

Coding 3:

#define  ECHO_PIN 3

#define  TRIG_PIN 2

#define pinBuzzer 5

#include <Servo.h>

Servo myservo;

int rotasi = 90;

int interval = 0;

float readDistanceCM(){

  digitalWrite(TRIG_PIN, LOW);

  delayMicroseconds(2);

  digitalWrite(TRIG_PIN, HIGH);

  delayMicroseconds(10);

  digitalWrite(TRIG_PIN, LOW);

  int duration = pulseIn(ECHO_PIN, HIGH);

  return duration * 0.034/2;

}

void soundBuzzer(){

  if(interval < 500){

    tone(pinBuzzer, 250);

  }else

  if(interval > 500){

    tone(pinBuzzer, 100,800);

  };

}

void setup() {

  // put your setup code here, to run once:

  pinMode(TRIG_PIN, OUTPUT);

  pinMode(ECHO_PIN, INPUT);

  Serial.begin(115200);

  pinMode(pinBuzzer, OUTPUT);

  myservo.attach(9);

  myservo.write(90);

}

void loop() {

  // put your main code here, to run repeatedly:

 tutupPalang();

 interval +=100;

 if(interval>1000) interval = 0;

}

void tutupPalang(){

  float jarak = readDistanceCM();

  if(jarak > 0 && jarak < 100 ){

    soundBuzzer();

    tutup();

  }else{

    buka();

    noTone(pinBuzzer);

  }

}

void tutup(){

  if(rotasi <= 90){

    myservo.write(rotasi);

    delay(100);

    rotasi--;

  }

  if(rotasi <= 0 ) rotasi = 0;

}

void buka(){

  if(rotasi <= 90){

    myservo.write(rotasi);

    delay(100);

    rotasi+=4;

  }

  if(rotasi >= 90 ) rotasi = 90;

}

Panduan Belajar Robotika Dengan Wokwi