Alat Memberi Pakan Otomatis

 #define BLYNK_TEMPLATE_ID "TMPL6ivjZK_aX"
#define BLYNK_TEMPLATE_NAME "SENSORSERVO"
#define BLYNK_AUTH_TOKEN "3u4ePh3EbLXcbiCTU3dtLOClbNmjOJB7"

#define BLYNK_PRINT Serial

#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>
#include <Servo.h>
#include <TimeLib.h>
#include <WidgetRTC.h>

#define TRIGGERPIN D1
#define ECHOPIN D2
#define SERVOPIN D3

char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "lab-robotika";
char pass[] = "lab-robotika";

BlynkTimer timer;
WidgetRTC rtc;
Servo myServo;

bool hasFedMorning = false;
bool hasFedEvening = false;

unsigned long startTime = 0;
bool isServoRunning = false;

int servoPosition = 0; // Posisi default servo

// Fungsi untuk mengatur posisi servo dari aplikasi Blynk
BLYNK_WRITE(V1) {
  int buttonState = param.asInt();
  if (buttonState == 1) { // Jika tombol ditekan
    myServo.write(180);  // Servo bergerak ke posisi 180 derajat
    Serial.println("Servo opened (180 degrees)");
  } else { // Jika tombol dilepas
    myServo.write(0);    // Servo kembali ke posisi 0 derajat
    Serial.println("Servo closed (0 degrees)");
  }
}

// Fungsi untuk mengirim jarak ke aplikasi Blynk
void sendDistanceToBlynk() {
  long duration, distance;

  digitalWrite(TRIGGERPIN, LOW);
  delayMicroseconds(2);
  digitalWrite(TRIGGERPIN, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIGGERPIN, LOW);

  duration = pulseIn(ECHOPIN, HIGH);
  distance = duration * 0.034 / 2;

  Serial.print("Distance: ");
  Serial.print(distance);
  Serial.println(" cm");

  Blynk.virtualWrite(V0, distance);
}

void runServoForOneMinute() {
  unsigned long currentTime = millis();
  if (currentTime - startTime < 60000) { // Jika waktu berjalan kurang dari 1 menit
    myServo.write(180); // Gerakkan servo ke posisi 180 derajat
    delay(500);         // Tunggu 0,5 detik
    myServo.write(0);   // Kembalikan servo ke posisi 0 derajat
    delay(500);         // Tunggu 0,5 detik
  } else {
    isServoRunning = false; // Hentikan gerakan servo
    Serial.println("Servo stopped after 1 minute.");
  }
}

// Fungsi untuk memeriksa waktu
void checkFeedingTime() {
  int currentHour = hour();
  int currentMinute = minute();

  // Jika waktu 08:00 dan belum memberi makan
  if (currentHour == 8 && currentMinute == 0 && !hasFedMorning) {
    startTime = millis();
    isServoRunning = true;
    hasFedMorning = true;
    Serial.println("Servo started at 08:00.");
  }

  // Reset flag pagi setelah 08:01
  if (currentHour == 8 && currentMinute > 1) {
    hasFedMorning = false;
  }

  // Jika waktu 17:00 dan belum memberi makan
  if (currentHour == 17  && currentMinute == 0 && !hasFedEvening) {
    startTime = millis();
    isServoRunning = true;
    hasFedEvening = true; // Tandai pemberian makan sore selesai
    Serial.println("Servo started at 17:00.");
  }

  // Reset flag sore setelah 17:01
  if (currentHour == 17 && currentMinute > 1) {
    hasFedEvening = false;
  }
}

// Fungsi sinkronisasi waktu
BLYNK_CONNECTED() {
  Blynk.syncAll(); // Sinkronisasi waktu
  rtc.begin();     // Mulai RTC bawaan Blynk
}

void setup() {
  Serial.begin(9600);

  pinMode(TRIGGERPIN, OUTPUT);
  pinMode(ECHOPIN, INPUT);

  myServo.attach(SERVOPIN);
  myServo.write(0); // Posisi awal servo

  Blynk.begin(auth, ssid, pass);
  Serial.println("Blynk connected");

  timer.setInterval(60000L, checkFeedingTime); // Periksa waktu setiap 1 menit
  timer.setInterval(1000L, sendDistanceToBlynk); // Kirim jarak setiap 1 detik
  timer.setInterval(1000L, []() {
    if (isServoRunning) {
      runServoForOneMinute();
    }
  });
}

void loop() {
  Blynk.run();
  timer.run();
}