From 0a95cd834aa16386b3288b1d763ba9defccf60c2 Mon Sep 17 00:00:00 2001
From: nadia_emiliana8 <nadiaemiliana09@gmail.com>
Date: Thu, 31 Jul 2025 12:04:45 +0700
Subject: [PATCH] kode esp

---
 kode_arduino/smart_farming.ino | 151 +++++++++++++++++++++++++++++++++
 1 file changed, 151 insertions(+)
 create mode 100644 kode_arduino/smart_farming.ino

diff --git a/kode_arduino/smart_farming.ino b/kode_arduino/smart_farming.ino
new file mode 100644
index 0000000..988611b
--- /dev/null
+++ b/kode_arduino/smart_farming.ino
@@ -0,0 +1,151 @@
+#include <WiFi.h>
+#include <Firebase_ESP_Client.h>
+#include <DHT.h>
+#include <Wire.h>
+#include <LiquidCrystal_I2C.h>
+
+// === KREDENSIAL ===
+#define WIFI_SSID "nanaaaaa"
+#define WIFI_PASSWORD "nanaaaaa"
+#define API_KEY "AIzaSyBB40eRLlP7kp52g2Hvmx3PkrkzYjuFnpo"
+#define DATABASE_URL "https://smartfarming-7bd96-default-rtdb.firebaseio.com/"
+#define LEGACY_TOKEN "ShlkXYkTpTh2o4b38tqZozBv2oLXyUSnZUUXUCslu"
+
+// === PIN ===
+#define DHTPIN 14
+#define DHTTYPE DHT11
+#define RELAY_KIPAS 26
+#define RELAY_POMPA 27
+
+// === OBJEK ===
+FirebaseData fbdo;
+FirebaseAuth auth;
+FirebaseConfig config;
+DHT dht(DHTPIN, DHTTYPE);
+LiquidCrystal_I2C lcd(0x27, 16, 2);  // Alamat I2C umum
+
+// === VARIABEL ===
+unsigned long lastUpdate = 0;
+unsigned long interval = 5000;
+float thresholdSuhu = 29.0;
+float thresholdKelembaban = 50.0;
+bool isManual = true;
+
+void setup() {
+  Serial.begin(115200);
+  dht.begin();
+
+  pinMode(RELAY_KIPAS, OUTPUT);
+  pinMode(RELAY_POMPA, OUTPUT);
+  digitalWrite(RELAY_KIPAS, HIGH);  // Active LOW
+  digitalWrite(RELAY_POMPA, HIGH);
+
+  Wire.begin(21, 22);  // LCD I2C pin SDA = 21, SCL = 22
+  lcd.init();
+  lcd.backlight();
+  lcd.setCursor(0, 0);
+  lcd.print("Menghubungkan...");
+
+  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    Serial.print(".");
+  }
+
+  lcd.clear();
+  lcd.setCursor(0, 0);
+  lcd.print("WiFi Terhubung");
+  delay(1000);
+
+  config.api_key = API_KEY;
+  config.database_url = DATABASE_URL;
+  config.signer.tokens.legacy_token = LEGACY_TOKEN;
+  Firebase.begin(&config, &auth);
+  Firebase.reconnectWiFi(true);
+
+  lcd.clear();
+}
+
+void loop() {
+  if (millis() - lastUpdate >= interval && Firebase.ready()) {
+    lastUpdate = millis();
+
+    float suhu = dht.readTemperature();
+    float kelembaban = dht.readHumidity();
+
+    // Ambil nilai kontrol manual dari Firebase
+    if (Firebase.RTDB.getBool(&fbdo, "/control/manual")) {
+      isManual = fbdo.boolData();
+      Serial.println(isManual ? "Mode: MANUAL" : "Mode: OTOMATIS");
+    } else {
+      Serial.println("Gagal ambil mode manual, pakai default (MANUAL)");
+    }
+
+    // Ambil threshold suhu & kelembaban
+    if (!isManual) {
+      if (Firebase.RTDB.getFloat(&fbdo, "/treshold/suhu")) {
+        thresholdSuhu = fbdo.floatData();
+      }
+      if (Firebase.RTDB.getFloat(&fbdo, "/treshold/kelembaban")) {
+        thresholdKelembaban = fbdo.floatData();
+      }
+    }
+
+    Serial.printf("Suhu: %.2f °C, Kelembaban: %.2f %%\n", suhu, kelembaban);
+
+    // Tampilkan ke LCD
+    lcd.setCursor(0, 0);
+    lcd.print("Suhu: ");
+    lcd.print(suhu, 1);
+    lcd.print((char)223);
+    lcd.print("C    ");
+    lcd.setCursor(0, 1);
+    lcd.print("Lembab: ");
+    lcd.print(kelembaban, 1);
+    lcd.print("%   ");
+
+    // Kirim sensor ke Firebase
+    Firebase.RTDB.setFloat(&fbdo, "/dht11/suhu", suhu);
+    Firebase.RTDB.setFloat(&fbdo, "/dht11/humidity", kelembaban);
+
+    // === MODE MANUAL ===
+    if (isManual) {
+      // Ambil status kipas & pompa dari Firebase
+      if (Firebase.RTDB.getBool(&fbdo, "/status/kipas")) {
+        bool kipas_status = fbdo.boolData();
+        digitalWrite(RELAY_KIPAS, kipas_status ? LOW : HIGH);
+        Serial.println("Kipas: " + String(kipas_status ? "ON (manual)" : "OFF"));
+      }
+      if (Firebase.RTDB.getBool(&fbdo, "/status/pompa")) {
+        bool pompa_status = fbdo.boolData();
+        digitalWrite(RELAY_POMPA, pompa_status ? LOW : HIGH);
+        Serial.println("Pompa: " + String(pompa_status ? "ON (manual)" : "OFF"));
+      }
+    }
+
+    // === MODE OTOMATIS ===
+    else {
+      // Pompa otomatis
+      if (kelembaban <= thresholdKelembaban) {
+        digitalWrite(RELAY_POMPA, LOW);
+        Firebase.RTDB.setBool(&fbdo, "/status/pompa", true);
+        Serial.println("Pompa ON (otomatis)");
+      } else {
+        digitalWrite(RELAY_POMPA, HIGH);
+        Firebase.RTDB.setBool(&fbdo, "/status/pompa", false);
+        Serial.println("Pompa OFF (otomatis)");
+      }
+
+      // Kipas otomatis
+      if (suhu >= thresholdSuhu) {
+        digitalWrite(RELAY_KIPAS, LOW);
+        Firebase.RTDB.setBool(&fbdo, "/status/kipas", true);
+        Serial.println("Kipas ON (otomatis)");
+      } else {
+        digitalWrite(RELAY_KIPAS, HIGH);
+        Firebase.RTDB.setBool(&fbdo, "/status/kipas", false);
+        Serial.println("Kipas OFF (otomatis)");
+      }
+    }
+  }
+}
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