Tugas_Firebase_membuat_SHT22_XY_MD02

#include <ModbusMaster.h>
#include <SoftwareSerial.h>
#include <WiFi.h>
#include <Firebase_ESP_Client.h>
#include <HTTPClient.h>

#define MAX485_RE_NEG  5
#define MAX485_DE      4
#define SSERIAL_RX_PIN 16
#define SSERIAL_TX_PIN 17

#define NUM_SENSORS 2
#define TEMP_SENSOR 0
#define HUM_SENSOR 1

#define LED_1 13
#define LED_2 12
#define LED_3 14

const char* ssid = "vivo V29";
const char* password = "Nabila041185";
const char* firebaseApiKey = "AIzaSyDloJq58w1ms17_opl5SW5L7ccD1DgIDv4";

SoftwareSerial RS485Serial(SSERIAL_RX_PIN, SSERIAL_TX_PIN);
ModbusMaster node;
FirebaseData fbdo;
FirebaseAuth auth;
FirebaseConfig config;
WiFiClient client;

float sensorData[NUM_SENSORS];
uint8_t sensorAddresses[NUM_SENSORS] = {0x0001, 0x0002};

void preTransmission() {
  digitalWrite(MAX485_RE_NEG, 1);
  digitalWrite(MAX485_DE, 1);
}

void postTransmission() {
  digitalWrite(MAX485_RE_NEG, 0);
  digitalWrite(MAX485_DE, 0);
}

void setup() {
  pinMode(MAX485_RE_NEG, OUTPUT);
  pinMode(MAX485_DE, OUTPUT);
  digitalWrite(MAX485_RE_NEG, 0);
  digitalWrite(MAX485_DE, 0);

  pinMode(LED_1, OUTPUT);
  pinMode(LED_2, OUTPUT);
  pinMode(LED_3, OUTPUT);

  Serial.begin(115200);

  Setup_Sensor();
  Setup_Wifi();
  Setup_Firebase();
}

void loop() {
  Pembacaan_Sensor();
  Kirim_data_Firebase();

  delay(2000);
}

void Setup_Wifi() {
  WiFi.begin(ssid, 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 Setup_Firebase() {
  config.host = "https://indobot-44870-default-rtdb.asia-southeast1.firebasedatabase.app/";
  config.signer.tokens.legacy_token = firebaseApiKey;
  Firebase.begin(&config, &auth);
}

void Setup_Sensor() {
  RS485Serial.begin(9600);
  node.begin(1, RS485Serial);
  node.preTransmission(preTransmission);
  node.postTransmission(postTransmission);
}

void Pembacaan_Sensor() {
  for (int i = 0; i < NUM_SENSORS; i++) {
    uint8_t result = node.readInputRegisters(sensorAddresses[i], 1);

    if (result == node.ku8MBSuccess) {
      sensorData[i] = float(node.getResponseBuffer(0) / 10.00F);
    } else {
      delay(1000);
      return;
    }
  }
}

void Kirim_data_Firebase() {
  String jsonString = "{\"temperature\": " + String(sensorData[TEMP_SENSOR]) + ", \"humidity\": " + String(sensorData[HUM_SENSOR]) + "}";
  String url = "/indobot-44870-default-rtdb-export.json?auth=" + String(firebaseApiKey);
  String firebaseUrl = String(config.host.c_str()) + url;

  HTTPClient http;
  http.begin(firebaseUrl);
  http.addHeader("Content-Type", "application/json");
  int httpResponseCode = http.POST(jsonString);
  if (httpResponseCode > 0) {
    Serial.print("Data berhasil dikirim ke Firebase. Status code: ");
    Serial.println(httpResponseCode);
  } else {
    Serial.print("Gagal mengirim data ke Firebase. Error code: ");
    Serial.println(httpResponseCode);
  }
  http.end();
}