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Maulana_Wira_Wisesa 2024-07-22 12:02:06 +07:00
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#include <ESP8266WiFi.h>
#include <PubSubClient.h>
#include <Firebase_ESP_Client.h>
#include <AverageValue.h>
// Konfigurasi Firebase
#define FIREBASE_HOST "airsavvy-6e5e1-default-rtdb.firebaseio.com"
#define FIREBASE_AUTH "AIzaSyDDmW_TPBKMVyrCKse2kI2Z4j-1ssUKAcc"
#define USER_EMAIL "airsavvy@gmail.com"
#define USER_PASSWORD "bismillah"
FirebaseData fbdo;
FirebaseAuth auth;
FirebaseConfig config;
// Konfigurasi Wifi
#define WIFI_SSID "Jalak Teras"
#define WIFI_PASSWORD "J@lakTer@s"
// Konfigurasi MQTT
const char* mqtt_server = "192.168.0.106"; // Sesuaikan dengan IP address broker MQTT Anda
const char* mqtt_username = "airsavvy";
const char* mqtt_password = "bismillah";
// Pin sensor dan lampu
#define MQ135_PIN A0 // A0 untuk MQ135
#define MQ7_PIN 17 // GPIO17 (D3)
#define LAMPU_HIJAU_PIN 2 // GPIO2 (D4)
#define LAMPU_KUNING_PIN 3 // GPIO3 (RX0)
#define LAMPU_MERAH_PIN 4 // GPIO4 (D2)
#define BUZZER_PIN 5 // GPIO5 (D1)
// Pin relay
#define RELAY_PIN_1 12 // GPIO12 (D6)
#define RELAY_PIN_2 13 // GPIO13 (D7)
#define RELAY_PIN_3 14 // GPIO14 (D5)
#define RELAY_PIN_4 15 // GPIO15 (D8)
// Konfigurasi MQ135
int Rload = 20000;
float ro;
double ppm = 414.38;
float a_mq135 = 110.7432567;
float b_mq135 = -2.856935538;
const long MAX_VALUES_NUM = 10;
AverageValue<float> averageValue(MAX_VALUES_NUM);
// Konfigurasi MQ7
int RL = 10000;
float Ro = 10;
float Vcc = 3.3;
WiFiClient espClient;
PubSubClient client(espClient);
FirebaseData firebaseData;
int mode = 0; // Default mode 0
void setup_wifi() {
delay(10);
Serial.println();
Serial.print("Connecting to ");
Serial.println(WIFI_SSID);
WiFi.mode(WIFI_STA);
WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.println("WiFi connected");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
}
void callback(char* topic, byte* payload, unsigned int length) {
if (strcmp(topic, "control/mode") == 0) {
mode = payload[0] - '0'; // Convert char to int
} else if (mode == 1) {
if (strcmp(topic, "control/relay1") == 0) {
digitalWrite(RELAY_PIN_1, payload[0] == '1' ? HIGH : LOW);
Firebase.RTDB.setString(&fbdo, "Relay1", payload[0] == '1' ? "OFF" : "ON");
} else if (strcmp(topic, "control/relay2") == 0) {
digitalWrite(RELAY_PIN_2, payload[0] == '1' ? HIGH : LOW);
Firebase.RTDB.setString(&fbdo, "Relay2", payload[0] == '1' ? "OFF" : "ON");
} else if (strcmp(topic, "control/relay3") == 0) {
digitalWrite(RELAY_PIN_3, payload[0] == '1' ? HIGH : LOW);
Firebase.RTDB.setString(&fbdo, "Relay3", payload[0] == '1' ? "OFF" : "ON");
} else if (strcmp(topic, "control/relay4") == 0) {
digitalWrite(RELAY_PIN_4, payload[0] == '1' ? HIGH : LOW);
Firebase.RTDB.setString(&fbdo, "Relay4", payload[0] == '1' ? "OFF" : "ON");
}
}
}
int calibrateSensor() {
int readings = 0;
for (int i = 0; i < 50; i++) {
int sensorValue = analogRead(MQ7_PIN);
float Rs = (Vcc * RL / (sensorValue * (Vcc / 1023.0))) - RL;
readings += Rs;
delay(500);
}
readings /= 50;
int Ro = readings / 3.5; // Rasio Rs/Ro dalam udara bersih adalah 3.5 untuk MQ-7
return Ro;
}
void setup() {
Serial.begin(9600);
// Koneksi Wifi
setup_wifi();
// Koneksi ke Firebase
config.api_key = FIREBASE_AUTH;
config.database_url = FIREBASE_HOST;
auth.user.email = USER_EMAIL;
auth.user.password = USER_PASSWORD;
Firebase.reconnectNetwork(true);
fbdo.setBSSLBufferSize(4096, 1024);
fbdo.setResponseSize(2048);
Firebase.begin(&config, &auth);
Firebase.setDoubleDigits(5);
config.timeout.serverResponse = 10 * 1000;
// Setting mode pin
pinMode(LAMPU_HIJAU_PIN, OUTPUT);
pinMode(LAMPU_KUNING_PIN, OUTPUT);
pinMode(LAMPU_MERAH_PIN, OUTPUT);
pinMode(BUZZER_PIN, OUTPUT);
pinMode(RELAY_PIN_1, OUTPUT);
pinMode(RELAY_PIN_2, OUTPUT);
pinMode(RELAY_PIN_3, OUTPUT);
pinMode(RELAY_PIN_4, OUTPUT);
// Kalibrasi nilai Ro untuk MQ135
int adcRaw;
float rs;
for (int i = 0; i < 10; i++) {
adcRaw = analogRead(MQ135_PIN);
rs = ((1024.0 * Rload) / adcRaw) - Rload;
ro += rs * exp(log(a_mq135 / ppm) / b_mq135); // Hitung nilai Ro
delay(2000); // Jeda 2 detik
}
ro /= 10.0; // Ambil rata-rata dari 10 pengukuran Ro
Serial.print("Ro: ");
Serial.println(ro);
// Inisialisasi dan kalibrasi sensor MQ7
Ro = calibrateSensor(); // Kalibrasi sensor untuk mendapatkan nilai Ro
// Set callback dan koneksi ke broker MQTT
client.setServer(mqtt_server, 1883);
client.setCallback(callback);
Serial.println("Setup Selesai");
}
void loop() {
if (!client.connected()) {
reconnect();
}
client.loop();
// Membaca nilai dari sensor MQ135 untuk CO2
int adcRaw = analogRead(MQ135_PIN);
float rs = ((1024.0 * Rload) / adcRaw) - Rload;
float rsro = rs / ro;
float co2ppm = a_mq135 * pow((float)rs / (float)ro, b_mq135);
averageValue.push(co2ppm);
// Membaca nilai dari sensor MQ7 untuk CO
float sensorValue = analogRead(MQ7_PIN);
float Rs = (Vcc * RL / (sensorValue * (Vcc / 1023.0))) - RL;
float ratio = Rs / Ro;
float ppm_mq7 = (pow(10, ((log10(ratio) - 0.08) / -0.42))) * 100;
// Menentukan kategori kualitas udara untuk CO2
String kategoriCO2;
float avgCO2ppm = averageValue.average();
if (avgCO2ppm >= 0 && avgCO2ppm <= 600) {
kategoriCO2 = "Baik";
} else if (avgCO2ppm > 600 && avgCO2ppm <= 1000) {
kategoriCO2 = "Kurang Baik";
} else if (avgCO2ppm > 1000) {
kategoriCO2 = "Buruk";
}
// Menentukan kategori kualitas udara untuk CO
String kategoriCO;
if (ppm_mq7 >= 0 && ppm_mq7 <= 9) {
kategoriCO = "Baik";
} else if (ppm_mq7 > 9 && ppm_mq7 <= 24) {
kategoriCO = "Kurang Baik";
} else if (ppm_mq7 > 24) {
kategoriCO = "Buruk";
}
// Menyalakan lampu dan relay berdasarkan kategori kualitas udara
if (mode == 0) {
// Kirim status mode ke Firebase
if (Firebase.RTDB.setInt(&fbdo, "Mode", 0)) {
Serial.println("Set Mode success");
} else {
Serial.print("Set Mode failed: ");
Serial.println(fbdo.errorReason());
}
if (kategoriCO2 == "Buruk" || kategoriCO == "Buruk") {
digitalWrite(LAMPU_HIJAU_PIN, LOW); // Matikan lampu hijau
digitalWrite(LAMPU_KUNING_PIN, LOW); // Matikan lampu kuning
digitalWrite(LAMPU_MERAH_PIN, HIGH); // Hidupkan lampu merah
digitalWrite(BUZZER_PIN, HIGH); // Hidupkan buzzer
digitalWrite(RELAY_PIN_1, LOW); // Hidupkan relay 1
digitalWrite(RELAY_PIN_2, LOW); // Hidupkan relay 2
digitalWrite(RELAY_PIN_3, LOW); // Hidupkan relay 3
digitalWrite(RELAY_PIN_4, LOW); // Hidupkan relay 4
// Kirim status relay ke Firebase
if (Firebase.RTDB.setString(&fbdo, "Relay1", "ON")) {
Serial.println("Set Relay1 success");
} else {
Serial.print("Set Relay1 failed: ");
Serial.println(fbdo.errorReason());
}
if (Firebase.RTDB.setString(&fbdo, "Relay2", "ON")) {
Serial.println("Set Relay2 success");
} else {
Serial.print("Set Relay2 failed: ");
Serial.println(fbdo.errorReason());
}
if (Firebase.RTDB.setString(&fbdo, "Relay3", "ON")) {
Serial.println("Set Relay3 success");
} else {
Serial.print("Set Relay3 failed: ");
Serial.println(fbdo.errorReason());
}
if (Firebase.RTDB.setString(&fbdo, "Relay4", "ON")) {
Serial.println("Set Relay4 success");
} else {
Serial.print("Set Relay4 failed: ");
Serial.println(fbdo.errorReason());
}
} else if (kategoriCO2 == "Kurang Baik" || kategoriCO == "Kurang Baik") {
digitalWrite(LAMPU_HIJAU_PIN, LOW); // Matikan lampu hijau
digitalWrite(LAMPU_KUNING_PIN, HIGH); // Hidupkan lampu kuning
digitalWrite(LAMPU_MERAH_PIN, LOW); // Matikan lampu merah
digitalWrite(BUZZER_PIN, LOW); // Matikan buzzer jika kualitas udara tidak buruk
digitalWrite(RELAY_PIN_1, LOW); // Hidupkan relay 1
digitalWrite(RELAY_PIN_2, LOW); // Hidupkan relay 2
digitalWrite(RELAY_PIN_3, LOW); // Hidupkan relay 3
digitalWrite(RELAY_PIN_4, HIGH); // Matikan relay 4
// Kirim status relay ke Firebase
if (Firebase.RTDB.setString(&fbdo, "Relay1", "ON")) {
Serial.println("Set Relay1 success");
} else {
Serial.print("Set Relay1 failed: ");
Serial.println(fbdo.errorReason());
}
if (Firebase.RTDB.setString(&fbdo, "Relay2", "ON")) {
Serial.println("Set Relay2 success");
} else {
Serial.print("Set Relay2 failed: ");
Serial.println(fbdo.errorReason());
}
if (Firebase.RTDB.setString(&fbdo, "Relay3", "ON")) {
Serial.println("Set Relay3 success");
} else {
Serial.print("Set Relay3 failed: ");
Serial.println(fbdo.errorReason());
}
if (Firebase.RTDB.setString(&fbdo, "Relay4", "OFF")) {
Serial.println("Set Relay4 success");
} else {
Serial.print("Set Relay4 failed: ");
Serial.println(fbdo.errorReason());
}
} else if (kategoriCO2 == "Baik" || kategoriCO == "Baik") {
digitalWrite(LAMPU_HIJAU_PIN, HIGH); // Hidupkan lampu hijau
digitalWrite(LAMPU_KUNING_PIN, LOW); // Matikan lampu kuning
digitalWrite(LAMPU_MERAH_PIN, LOW); // Matikan lampu merah
digitalWrite(BUZZER_PIN, LOW); // Matikan buzzer jika kualitas udara tidak buruk
digitalWrite(RELAY_PIN_1, HIGH); // Matikan relay 1
digitalWrite(RELAY_PIN_2, HIGH); // Matikan relay 2
digitalWrite(RELAY_PIN_3, HIGH); // Matikan relay 3
digitalWrite(RELAY_PIN_4, HIGH); // Matikan relay 4
// Kirim status relay ke Firebase
if (Firebase.RTDB.setString(&fbdo, "Relay1", "OFF")) {
Serial.println("Set Relay1 success");
} else {
Serial.print("Set Relay1 failed: ");
Serial.println(fbdo.errorReason());
}
if (Firebase.RTDB.setString(&fbdo, "Relay2", "OFF")) {
Serial.println("Set Relay2 success");
} else {
Serial.print("Set Relay2 failed: ");
Serial.println(fbdo.errorReason());
}
if (Firebase.RTDB.setString(&fbdo, "Relay3", "OFF")) {
Serial.println("Set Relay3 success");
} else {
Serial.print("Set Relay3 failed: ");
Serial.println(fbdo.errorReason());
}
if (Firebase.RTDB.setString(&fbdo, "Relay4", "OFF")) {
Serial.println("Set Relay4 success");
} else {
Serial.print("Set Relay4 failed: ");
Serial.println(fbdo.errorReason());
}
}
} else if (mode == 1) {
// Kirim status mode ke Firebase
if (Firebase.RTDB.setInt(&fbdo, "Mode", 1)) {
Serial.println("Set Mode success");
} else {
Serial.print("Set Mode failed: ");
Serial.println(fbdo.errorReason());
}
// Mode 1: Mengontrol relay manual melalui MQTT
digitalWrite(LAMPU_HIJAU_PIN, kategoriCO2 == "Baik" || kategoriCO == "Baik" ? HIGH : LOW);
digitalWrite(LAMPU_KUNING_PIN, kategoriCO2 == "Kurang Baik" || kategoriCO == "Kurang Baik" ? HIGH : LOW);
digitalWrite(LAMPU_MERAH_PIN, kategoriCO2 == "Buruk" || kategoriCO == "Buruk" ? HIGH : LOW);
digitalWrite(BUZZER_PIN, kategoriCO2 == "Buruk" || kategoriCO == "Buruk" ? HIGH : LOW);
}
// Kirim nilai ke Firebase
if (Firebase.RTDB.setFloat(&fbdo, "CO2_ppm", (int)avgCO2ppm)) {
Serial.print("Set CO2_ppm success: ");
Serial.println(avgCO2ppm);
} else {
Serial.print("Set CO2_ppm failed: ");
Serial.println(fbdo.errorReason());
}
if (Firebase.RTDB.setFloat(&fbdo, "CO_ppm", (int)ppm_mq7)) {
Serial.print("Set CO_ppm success: ");
Serial.println(ppm_mq7);
} else {
Serial.print("Set CO_ppm failed: ");
Serial.println(fbdo.errorReason());
}
if (Firebase.RTDB.setString(&fbdo, "Kategori_CO2", kategoriCO2)) {
Serial.print("Set Kategori_CO2 success: ");
Serial.println(kategoriCO2);
} else {
Serial.print("Set Kategori_CO2 failed: ");
Serial.println(fbdo.errorReason());
}
if (Firebase.RTDB.setString(&fbdo, "Kategori_CO", kategoriCO)) {
Serial.print("Set Kategori_CO success: ");
Serial.println(kategoriCO);
} else {
Serial.print("Set Kategori_CO failed: ");
Serial.println(fbdo.errorReason());
}
delay(1000); // Memberi jeda sejenak sebelum membaca ulang sensor
}
void reconnect() {
while (!client.connected()) {
Serial.print("Attempting MQTT connection...");
if (client.connect("ESP8266Client", mqtt_username, mqtt_password)) {
Serial.println("connected");
client.subscribe("control/mode");
client.subscribe("control/relay1");
client.subscribe("control/relay2");
client.subscribe("control/relay3");
client.subscribe("control/relay4");
} else {
Serial.print("failed, rc=");
Serial.print(client.state());
Serial.println(" try again in 5 seconds");
delay(5000);
}
}
}

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#include <ESP8266WiFi.h>
#include <FirebaseESP8266.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
// WiFi credentials
#define WIFI_SSID "Jalak Teras"
#define WIFI_PASSWORD "J@lakTer@s"
// Firebase credentials
#define FIREBASE_HOST "https://airsavvy-6e5e1-default-rtdb.firebaseio.com/"
#define FIREBASE_AUTH "P1A3xXJF66kjDms3EXTtBxRauFpsGY6b2MHhdoXr"
// Firebase objects
FirebaseData firebaseData;
FirebaseConfig config;
FirebaseAuth auth;
// LCD settings
LiquidCrystal_I2C lcd(0x27, 16, 2);
// 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
}