first commit

MainCode.ino

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+#include <Wire.h>
+#include <LiquidCrystal_I2C.h>
+#include "DHT.h"
+
+// Set the LCD number of columns and rows
+int lcdColumns = 16;
+int lcdRows = 2;
+
+// Set LCD address, number of columns and rows
+// If you don't know your display address, run an I2C scanner sketch
+LiquidCrystal_I2C lcd(0x27, lcdColumns, lcdRows);
+
+// Define the DHT sensor pin
+const int dhtPin = 2;
+// Initialize DHT sensor
+DHT dht(dhtPin, DHT21);
+
+// Mendefinisikan pin sensor cahaya
+const int lightSensorPin = 3;
+// Mendefinisikan pin sensor hujan
+const int rainSensorPin = 4;
+// Mendefinisikan pin relay untuk lampu
+const int lampRelayPin = 5;
+// Mendefinisikan pin untuk mengontrol motor (IN1, IN2)
+const int motorIn1Pin = 6;
+const int motorIn2Pin = 7;
+
+// Variables to track the last state
+bool lastRainSensorValue = HIGH;
+bool lastLightSensorValue = LOW;
+bool motorRunning = false;
+
+void setup() {
+  // Initialize LCD
+  Serial.begin(9600);
+  lcd.init();
+  // Turn on LCD backlight
+  lcd.backlight();
+  dht.begin();
+  // Mengatur pin sensor hujan sebagai input
+  pinMode(rainSensorPin, INPUT);
+
+  // Mengatur pin relay untuk lampu sebagai output
+  pinMode(lampRelayPin, OUTPUT);
+  // Matikan lampu secara default
+  digitalWrite(lampRelayPin, LOW);
+
+  // Mengatur pin untuk mengontrol motor sebagai output
+  pinMode(motorIn1Pin, OUTPUT);
+  pinMode(motorIn2Pin, OUTPUT);
+  stopMotor();
+}
+
+void stopMotor() {
+  digitalWrite(motorIn1Pin, LOW);
+  digitalWrite(motorIn2Pin, LOW);
+}
+
+void loop() {
+  // Read temperature and humidity from DHT sensor
+  float temperatureC = dht.readTemperature();
+  float humidity = dht.readHumidity();
+
+  // Check if DHT sensor reading is successful
+  if (isnan(temperatureC) || isnan(humidity)) {
+    // Print error message if reading failed
+    Serial.println(F("Gagal Baca Data DHT sensor!"));
+    lcd.clear();
+    lcd.setCursor(0, 0);
+    lcd.print("Failed to read DHT");
+    lcd.setCursor(0, 1);
+    lcd.print("sensor data!");
+    delay(2000);
+    return;
+  }
+  
+  Serial.print("Kelembaban: ");
+  Serial.println(humidity);
+  Serial.print("Suhu: ");
+  Serial.println(temperatureC);
+
+  // Membaca nilai dari sensor hujan
+  int rainSensorValue = digitalRead(rainSensorPin);
+
+  // Membaca nilai dari sensor cahaya
+  int lightSensorValue = digitalRead(lightSensorPin);
+
+  // Clear LCD sebelum menampilkan data baru
+  lcd.clear();
+
+  // Check if the motor needs to run based on the sensor values and only run it once
+  if (!motorRunning && (rainSensorValue == LOW || lightSensorValue == HIGH)) {
+    // Putar motor searah jarum jam (clockwise)
+    digitalWrite(motorIn1Pin, HIGH);
+    digitalWrite(motorIn2Pin, LOW);
+    delay(2000); // Gerakkan motor selama 2 detik
+    stopMotor();
+    motorRunning = true; // Set motor running flag
+    lcd.setCursor(9, 0);
+    lcd.print("M: CW "); // Print status motor
+  } else if (!motorRunning && (rainSensorValue != LOW && lightSensorValue != HIGH)) {
+    // Putar motor berlawanan arah jarum jam (counter-clockwise)
+    digitalWrite(motorIn1Pin, LOW);
+    digitalWrite(motorIn2Pin, HIGH);
+    delay(2000); // Gerakkan motor selama 2 detik
+    stopMotor();
+    motorRunning = true; // Set motor running flag
+    lcd.setCursor(9, 0);
+    lcd.print("M: CCW "); // Print status motor
+  }
+
+  // Kontrol lampu berdasarkan kondisi suhu, hujan, dan cahaya
+  if (temperatureC < 25 || rainSensorValue == LOW || lightSensorValue == HIGH) {
+    // Hidupkan lampu jika suhu < 45, atau hujan terdeteksi, atau cuaca gelap
+    digitalWrite(lampRelayPin, LOW);
+    lcd.setCursor(8, 1);
+    lcd.print("L: ON"); // Print status lampu
+  } else {
+    // Matikan lampu jika kondisi lain
+    digitalWrite(lampRelayPin, HIGH);
+    lcd.setCursor(8, 1);
+    lcd.print("L: OFF"); // Print status lampu
+  }
+
+  // Tampilkan status suhu, hujan, lampu, dan motor di LCD
+  lcd.setCursor(0, 0);
+  lcd.print("Suhu:");
+  lcd.print(temperatureC);
+  lcd.print("C");
+
+  lcd.setCursor(0, 1);
+  lcd.print("Rain:");
+  if (rainSensorValue == LOW) {
+    lcd.print("Yes");
+  } else {
+    lcd.print("No");
+  }
+
+  // Reset the motorRunning flag if conditions have changed
+  if ((lastRainSensorValue != rainSensorValue) || (lastLightSensorValue != lightSensorValue)) {
+    motorRunning = false;
+  }
+
+  // Update the last sensor values
+  lastRainSensorValue = rainSensorValue;
+  lastLightSensorValue = lightSensorValue;
+
+  delay(2000);
+}

Penyesuian.ino

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+/***
+ * TA Putri
+ * Sesuaikan parameter suhu untuk otomasi lampu, Line 113
+ * delay perputaran motor menyesuaikan dengan panjang tali yang ditarik/diulur. Line 96 dan 105
+ */