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#include <ESP8266WiFi.h>
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#include <PubSubClient.h>
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#include <Firebase_ESP_Client.h>
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#include <AverageValue.h>
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// Konfigurasi Firebase
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#define FIREBASE_HOST "airsavvy-6e5e1-default-rtdb.firebaseio.com"
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#define FIREBASE_AUTH "AIzaSyDDmW_TPBKMVyrCKse2kI2Z4j-1ssUKAcc"
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#define USER_EMAIL "airsavvy@gmail.com"
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#define USER_PASSWORD "bismillah"
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FirebaseData fbdo;
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FirebaseAuth auth;
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FirebaseConfig config;
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// Konfigurasi Wifi
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#define WIFI_SSID "Jalak Teras"
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#define WIFI_PASSWORD "J@lakTer@s"
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// Konfigurasi MQTT
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const char* mqtt_server = "192.168.0.106"; // Sesuaikan dengan IP address broker MQTT Anda
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const char* mqtt_username = "airsavvy";
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const char* mqtt_password = "bismillah";
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// Pin sensor dan lampu
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#define MQ135_PIN A0 // A0 untuk MQ135
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#define MQ7_PIN 17 // GPIO17 (D3)
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#define LAMPU_HIJAU_PIN 2 // GPIO2 (D4)
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#define LAMPU_KUNING_PIN 3 // GPIO3 (RX0)
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#define LAMPU_MERAH_PIN 4 // GPIO4 (D2)
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#define BUZZER_PIN 5 // GPIO5 (D1)
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// Pin relay
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#define RELAY_PIN_1 12 // GPIO12 (D6)
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#define RELAY_PIN_2 13 // GPIO13 (D7)
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#define RELAY_PIN_3 14 // GPIO14 (D5)
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#define RELAY_PIN_4 15 // GPIO15 (D8)
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// Konfigurasi MQ135
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int Rload = 20000;
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float ro;
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double ppm = 414.38;
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float a_mq135 = 110.7432567;
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float b_mq135 = -2.856935538;
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const long MAX_VALUES_NUM = 10;
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AverageValue<float> averageValue(MAX_VALUES_NUM);
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// Konfigurasi MQ7
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int RL = 10000;
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float Ro = 10;
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float Vcc = 3.3;
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WiFiClient espClient;
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PubSubClient client(espClient);
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FirebaseData firebaseData;
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int mode = 0; // Default mode 0
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void setup_wifi() {
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delay(10);
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Serial.println();
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Serial.print("Connecting to ");
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Serial.println(WIFI_SSID);
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WiFi.mode(WIFI_STA);
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WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
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while (WiFi.status() != WL_CONNECTED) {
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delay(500);
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Serial.print(".");
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}
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Serial.println("");
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Serial.println("WiFi connected");
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Serial.println("IP address: ");
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Serial.println(WiFi.localIP());
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}
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void callback(char* topic, byte* payload, unsigned int length) {
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if (strcmp(topic, "control/mode") == 0) {
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mode = payload[0] - '0'; // Convert char to int
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} else if (mode == 1) {
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if (strcmp(topic, "control/relay1") == 0) {
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digitalWrite(RELAY_PIN_1, payload[0] == '1' ? HIGH : LOW);
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Firebase.RTDB.setString(&fbdo, "Relay1", payload[0] == '1' ? "OFF" : "ON");
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} else if (strcmp(topic, "control/relay2") == 0) {
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digitalWrite(RELAY_PIN_2, payload[0] == '1' ? HIGH : LOW);
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Firebase.RTDB.setString(&fbdo, "Relay2", payload[0] == '1' ? "OFF" : "ON");
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} else if (strcmp(topic, "control/relay3") == 0) {
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digitalWrite(RELAY_PIN_3, payload[0] == '1' ? HIGH : LOW);
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Firebase.RTDB.setString(&fbdo, "Relay3", payload[0] == '1' ? "OFF" : "ON");
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} else if (strcmp(topic, "control/relay4") == 0) {
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digitalWrite(RELAY_PIN_4, payload[0] == '1' ? HIGH : LOW);
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Firebase.RTDB.setString(&fbdo, "Relay4", payload[0] == '1' ? "OFF" : "ON");
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}
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}
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}
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int calibrateSensor() {
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int readings = 0;
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for (int i = 0; i < 50; i++) {
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int sensorValue = analogRead(MQ7_PIN);
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float Rs = (Vcc * RL / (sensorValue * (Vcc / 1023.0))) - RL;
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readings += Rs;
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delay(500);
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}
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readings /= 50;
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int Ro = readings / 3.5; // Rasio Rs/Ro dalam udara bersih adalah 3.5 untuk MQ-7
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return Ro;
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}
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void setup() {
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Serial.begin(9600);
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// Koneksi Wifi
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setup_wifi();
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// Koneksi ke Firebase
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config.api_key = FIREBASE_AUTH;
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config.database_url = FIREBASE_HOST;
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auth.user.email = USER_EMAIL;
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auth.user.password = USER_PASSWORD;
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Firebase.reconnectNetwork(true);
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fbdo.setBSSLBufferSize(4096, 1024);
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fbdo.setResponseSize(2048);
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Firebase.begin(&config, &auth);
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Firebase.setDoubleDigits(5);
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config.timeout.serverResponse = 10 * 1000;
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// Setting mode pin
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pinMode(LAMPU_HIJAU_PIN, OUTPUT);
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pinMode(LAMPU_KUNING_PIN, OUTPUT);
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pinMode(LAMPU_MERAH_PIN, OUTPUT);
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pinMode(BUZZER_PIN, OUTPUT);
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pinMode(RELAY_PIN_1, OUTPUT);
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pinMode(RELAY_PIN_2, OUTPUT);
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pinMode(RELAY_PIN_3, OUTPUT);
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pinMode(RELAY_PIN_4, OUTPUT);
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// Kalibrasi nilai Ro untuk MQ135
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int adcRaw;
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float rs;
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for (int i = 0; i < 10; i++) {
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adcRaw = analogRead(MQ135_PIN);
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rs = ((1024.0 * Rload) / adcRaw) - Rload;
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ro += rs * exp(log(a_mq135 / ppm) / b_mq135); // Hitung nilai Ro
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delay(2000); // Jeda 2 detik
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}
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ro /= 10.0; // Ambil rata-rata dari 10 pengukuran Ro
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Serial.print("Ro: ");
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Serial.println(ro);
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// Inisialisasi dan kalibrasi sensor MQ7
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Ro = calibrateSensor(); // Kalibrasi sensor untuk mendapatkan nilai Ro
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// Set callback dan koneksi ke broker MQTT
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client.setServer(mqtt_server, 1883);
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client.setCallback(callback);
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Serial.println("Setup Selesai");
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}
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void loop() {
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if (!client.connected()) {
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reconnect();
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}
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client.loop();
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// Membaca nilai dari sensor MQ135 untuk CO2
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int adcRaw = analogRead(MQ135_PIN);
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float rs = ((1024.0 * Rload) / adcRaw) - Rload;
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float rsro = rs / ro;
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float co2ppm = a_mq135 * pow((float)rs / (float)ro, b_mq135);
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averageValue.push(co2ppm);
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// Membaca nilai dari sensor MQ7 untuk CO
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float sensorValue = analogRead(MQ7_PIN);
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float Rs = (Vcc * RL / (sensorValue * (Vcc / 1023.0))) - RL;
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float ratio = Rs / Ro;
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float ppm_mq7 = (pow(10, ((log10(ratio) - 0.08) / -0.42))) * 100;
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// Menentukan kategori kualitas udara untuk CO2
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String kategoriCO2;
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float avgCO2ppm = averageValue.average();
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if (avgCO2ppm >= 0 && avgCO2ppm <= 600) {
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kategoriCO2 = "Baik";
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} else if (avgCO2ppm > 600 && avgCO2ppm <= 1000) {
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kategoriCO2 = "Kurang Baik";
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} else if (avgCO2ppm > 1000) {
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kategoriCO2 = "Buruk";
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}
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// Menentukan kategori kualitas udara untuk CO
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String kategoriCO;
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if (ppm_mq7 >= 0 && ppm_mq7 <= 9) {
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kategoriCO = "Baik";
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} else if (ppm_mq7 > 9 && ppm_mq7 <= 24) {
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kategoriCO = "Kurang Baik";
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} else if (ppm_mq7 > 24) {
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kategoriCO = "Buruk";
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}
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// Menyalakan lampu dan relay berdasarkan kategori kualitas udara
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if (mode == 0) {
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// Kirim status mode ke Firebase
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if (Firebase.RTDB.setInt(&fbdo, "Mode", 0)) {
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Serial.println("Set Mode success");
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} else {
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Serial.print("Set Mode failed: ");
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Serial.println(fbdo.errorReason());
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}
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if (kategoriCO2 == "Buruk" || kategoriCO == "Buruk") {
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digitalWrite(LAMPU_HIJAU_PIN, LOW); // Matikan lampu hijau
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digitalWrite(LAMPU_KUNING_PIN, LOW); // Matikan lampu kuning
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digitalWrite(LAMPU_MERAH_PIN, HIGH); // Hidupkan lampu merah
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digitalWrite(BUZZER_PIN, HIGH); // Hidupkan buzzer
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digitalWrite(RELAY_PIN_1, LOW); // Hidupkan relay 1
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digitalWrite(RELAY_PIN_2, LOW); // Hidupkan relay 2
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digitalWrite(RELAY_PIN_3, LOW); // Hidupkan relay 3
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digitalWrite(RELAY_PIN_4, LOW); // Hidupkan relay 4
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// Kirim status relay ke Firebase
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if (Firebase.RTDB.setString(&fbdo, "Relay1", "ON")) {
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Serial.println("Set Relay1 success");
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} else {
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Serial.print("Set Relay1 failed: ");
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Serial.println(fbdo.errorReason());
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}
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if (Firebase.RTDB.setString(&fbdo, "Relay2", "ON")) {
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Serial.println("Set Relay2 success");
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} else {
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Serial.print("Set Relay2 failed: ");
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Serial.println(fbdo.errorReason());
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}
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if (Firebase.RTDB.setString(&fbdo, "Relay3", "ON")) {
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Serial.println("Set Relay3 success");
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} else {
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Serial.print("Set Relay3 failed: ");
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Serial.println(fbdo.errorReason());
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}
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if (Firebase.RTDB.setString(&fbdo, "Relay4", "ON")) {
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Serial.println("Set Relay4 success");
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} else {
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Serial.print("Set Relay4 failed: ");
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Serial.println(fbdo.errorReason());
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}
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} else if (kategoriCO2 == "Kurang Baik" || kategoriCO == "Kurang Baik") {
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digitalWrite(LAMPU_HIJAU_PIN, LOW); // Matikan lampu hijau
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digitalWrite(LAMPU_KUNING_PIN, HIGH); // Hidupkan lampu kuning
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digitalWrite(LAMPU_MERAH_PIN, LOW); // Matikan lampu merah
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digitalWrite(BUZZER_PIN, LOW); // Matikan buzzer jika kualitas udara tidak buruk
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digitalWrite(RELAY_PIN_1, LOW); // Hidupkan relay 1
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digitalWrite(RELAY_PIN_2, LOW); // Hidupkan relay 2
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digitalWrite(RELAY_PIN_3, LOW); // Hidupkan relay 3
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digitalWrite(RELAY_PIN_4, HIGH); // Matikan relay 4
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// Kirim status relay ke Firebase
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if (Firebase.RTDB.setString(&fbdo, "Relay1", "ON")) {
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Serial.println("Set Relay1 success");
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} else {
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Serial.print("Set Relay1 failed: ");
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Serial.println(fbdo.errorReason());
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}
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if (Firebase.RTDB.setString(&fbdo, "Relay2", "ON")) {
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Serial.println("Set Relay2 success");
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} else {
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Serial.print("Set Relay2 failed: ");
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Serial.println(fbdo.errorReason());
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}
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if (Firebase.RTDB.setString(&fbdo, "Relay3", "ON")) {
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Serial.println("Set Relay3 success");
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} else {
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Serial.print("Set Relay3 failed: ");
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Serial.println(fbdo.errorReason());
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}
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if (Firebase.RTDB.setString(&fbdo, "Relay4", "OFF")) {
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Serial.println("Set Relay4 success");
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} else {
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Serial.print("Set Relay4 failed: ");
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Serial.println(fbdo.errorReason());
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}
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} else if (kategoriCO2 == "Baik" || kategoriCO == "Baik") {
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digitalWrite(LAMPU_HIJAU_PIN, HIGH); // Hidupkan lampu hijau
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digitalWrite(LAMPU_KUNING_PIN, LOW); // Matikan lampu kuning
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digitalWrite(LAMPU_MERAH_PIN, LOW); // Matikan lampu merah
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digitalWrite(BUZZER_PIN, LOW); // Matikan buzzer jika kualitas udara tidak buruk
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digitalWrite(RELAY_PIN_1, HIGH); // Matikan relay 1
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digitalWrite(RELAY_PIN_2, HIGH); // Matikan relay 2
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digitalWrite(RELAY_PIN_3, HIGH); // Matikan relay 3
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digitalWrite(RELAY_PIN_4, HIGH); // Matikan relay 4
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// Kirim status relay ke Firebase
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if (Firebase.RTDB.setString(&fbdo, "Relay1", "OFF")) {
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Serial.println("Set Relay1 success");
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} else {
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Serial.print("Set Relay1 failed: ");
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Serial.println(fbdo.errorReason());
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}
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if (Firebase.RTDB.setString(&fbdo, "Relay2", "OFF")) {
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Serial.println("Set Relay2 success");
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} else {
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Serial.print("Set Relay2 failed: ");
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Serial.println(fbdo.errorReason());
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}
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if (Firebase.RTDB.setString(&fbdo, "Relay3", "OFF")) {
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Serial.println("Set Relay3 success");
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} else {
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Serial.print("Set Relay3 failed: ");
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Serial.println(fbdo.errorReason());
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}
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if (Firebase.RTDB.setString(&fbdo, "Relay4", "OFF")) {
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Serial.println("Set Relay4 success");
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} else {
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Serial.print("Set Relay4 failed: ");
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Serial.println(fbdo.errorReason());
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}
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}
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} else if (mode == 1) {
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// Kirim status mode ke Firebase
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if (Firebase.RTDB.setInt(&fbdo, "Mode", 1)) {
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Serial.println("Set Mode success");
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} else {
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Serial.print("Set Mode failed: ");
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Serial.println(fbdo.errorReason());
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}
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// Mode 1: Mengontrol relay manual melalui MQTT
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digitalWrite(LAMPU_HIJAU_PIN, kategoriCO2 == "Baik" || kategoriCO == "Baik" ? HIGH : LOW);
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digitalWrite(LAMPU_KUNING_PIN, kategoriCO2 == "Kurang Baik" || kategoriCO == "Kurang Baik" ? HIGH : LOW);
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digitalWrite(LAMPU_MERAH_PIN, kategoriCO2 == "Buruk" || kategoriCO == "Buruk" ? HIGH : LOW);
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digitalWrite(BUZZER_PIN, kategoriCO2 == "Buruk" || kategoriCO == "Buruk" ? HIGH : LOW);
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}
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// Kirim nilai ke Firebase
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if (Firebase.RTDB.setFloat(&fbdo, "CO2_ppm", (int)avgCO2ppm)) {
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Serial.print("Set CO2_ppm success: ");
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Serial.println(avgCO2ppm);
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} else {
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Serial.print("Set CO2_ppm failed: ");
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Serial.println(fbdo.errorReason());
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}
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if (Firebase.RTDB.setFloat(&fbdo, "CO_ppm", (int)ppm_mq7)) {
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Serial.print("Set CO_ppm success: ");
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Serial.println(ppm_mq7);
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} else {
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Serial.print("Set CO_ppm failed: ");
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Serial.println(fbdo.errorReason());
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}
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if (Firebase.RTDB.setString(&fbdo, "Kategori_CO2", kategoriCO2)) {
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Serial.print("Set Kategori_CO2 success: ");
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Serial.println(kategoriCO2);
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} else {
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Serial.print("Set Kategori_CO2 failed: ");
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Serial.println(fbdo.errorReason());
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}
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if (Firebase.RTDB.setString(&fbdo, "Kategori_CO", kategoriCO)) {
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Serial.print("Set Kategori_CO success: ");
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Serial.println(kategoriCO);
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} else {
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Serial.print("Set Kategori_CO failed: ");
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Serial.println(fbdo.errorReason());
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}
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delay(1000); // Memberi jeda sejenak sebelum membaca ulang sensor
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}
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void reconnect() {
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while (!client.connected()) {
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Serial.print("Attempting MQTT connection...");
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if (client.connect("ESP8266Client", mqtt_username, mqtt_password)) {
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Serial.println("connected");
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client.subscribe("control/mode");
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client.subscribe("control/relay1");
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client.subscribe("control/relay2");
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client.subscribe("control/relay3");
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client.subscribe("control/relay4");
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} else {
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Serial.print("failed, rc=");
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Serial.print(client.state());
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Serial.println(" try again in 5 seconds");
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delay(5000);
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}
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}
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}
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@ -0,0 +1,107 @@
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#include <ESP8266WiFi.h>
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#include <FirebaseESP8266.h>
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#include <Wire.h>
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#include <LiquidCrystal_I2C.h>
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// WiFi credentials
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#define WIFI_SSID "Jalak Teras"
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#define WIFI_PASSWORD "J@lakTer@s"
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// Firebase credentials
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#define FIREBASE_HOST "https://airsavvy-6e5e1-default-rtdb.firebaseio.com/"
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#define FIREBASE_AUTH "P1A3xXJF66kjDms3EXTtBxRauFpsGY6b2MHhdoXr"
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// Firebase objects
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FirebaseData firebaseData;
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FirebaseConfig config;
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FirebaseAuth auth;
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// LCD settings
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LiquidCrystal_I2C lcd(0x27, 16, 2);
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// Variables to store data from Firebase
|
||||
String kategori_CO2 = "";
|
||||
String kategori_CO = "";
|
||||
int CO2_ppm = 0;
|
||||
int CO_ppm = 0;
|
||||
|
||||
void setup() {
|
||||
Serial.begin(9600); // Start serial monitor for debugging
|
||||
|
||||
// Initialize LCD
|
||||
lcd.begin();
|
||||
lcd.backlight();
|
||||
lcd.clear();
|
||||
|
||||
// Display initial message on LCD
|
||||
lcd.setCursor(0, 0);
|
||||
lcd.print(" Please Wait...");
|
||||
|
||||
// Connect to Wi-Fi
|
||||
WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
|
||||
Serial.print("Connecting to Wi-Fi");
|
||||
while (WiFi.status() != WL_CONNECTED) {
|
||||
Serial.print(".");
|
||||
delay(500);
|
||||
}
|
||||
Serial.println();
|
||||
Serial.print("Connected with IP: ");
|
||||
Serial.println(WiFi.localIP());
|
||||
|
||||
// Configure Firebase
|
||||
config.host = FIREBASE_HOST;
|
||||
config.database_url = FIREBASE_HOST; // Make sure to add this line
|
||||
config.signer.tokens.legacy_token = FIREBASE_AUTH; // Use the correct field for the legacy token
|
||||
Firebase.begin(&config, &auth);
|
||||
Firebase.reconnectWiFi(true);
|
||||
|
||||
Serial.println("Connected to Firebase");
|
||||
lcd.clear(); // Clear the initial message
|
||||
}
|
||||
|
||||
void loop() {
|
||||
// Retrieve string data for Kategori_CO2 from Firebase
|
||||
if (Firebase.getString(firebaseData, "/Kategori_CO2")) {
|
||||
kategori_CO2 = firebaseData.stringData();
|
||||
} else {
|
||||
Serial.print("Error getting Kategori_CO2: ");
|
||||
Serial.println(firebaseData.errorReason());
|
||||
}
|
||||
|
||||
// Retrieve string data for Kategori_CO from Firebase
|
||||
if (Firebase.getString(firebaseData, "/Kategori_CO")) {
|
||||
kategori_CO = firebaseData.stringData();
|
||||
} else {
|
||||
Serial.print("Error getting Kategori_CO: ");
|
||||
Serial.println(firebaseData.errorReason());
|
||||
}
|
||||
|
||||
/*
|
||||
// Retrieve numeric data for CO2_ppm from Firebase
|
||||
if (Firebase.getInt(firebaseData, "/CO2_ppm")) {
|
||||
CO2_ppm = firebaseData.intData();
|
||||
} else {
|
||||
Serial.print("Error getting CO2_ppm: ");
|
||||
Serial.println(firebaseData.errorReason());
|
||||
}
|
||||
|
||||
// Retrieve numeric data for CO_ppm from Firebase
|
||||
if (Firebase.getInt(firebaseData, "/CO_ppm")) {
|
||||
CO_ppm = firebaseData.intData();
|
||||
} else {
|
||||
Serial.print("Error getting CO_ppm: ");
|
||||
Serial.println(firebaseData.errorReason());
|
||||
}
|
||||
*/
|
||||
|
||||
// Display data on LCD
|
||||
lcd.clear();
|
||||
lcd.setCursor(0, 0);
|
||||
lcd.print("CO2 ");
|
||||
lcd.print(kategori_CO2);
|
||||
lcd.setCursor(0, 1);
|
||||
lcd.print("CO ");
|
||||
lcd.print(kategori_CO);
|
||||
|
||||
delay(1000); // Avoiding rate limits by adding delay
|
||||
}
|
||||
Loading…
Reference in New Issue