esp8266-firebase.ino

/**
 * ReadSHT1xValues
 *
 * Read temperature and humidity values from an SHT1x-series (SHT10,
 * SHT11, SHT15) sensor.
 *
 * Copyright 2009 Jonathan Oxer <jon@oxer.com.au>
 * www.practicalarduino.com
 */
 
#include <SHT1x.h>
#include <ESP8266WiFi.h>
#include <FirebaseArduino.h>

 
// Specify data and clock connections and instantiate SHT1x object
#define dataPin  4 //D1
#define clockPin 5 //D2
SHT1x sht1x(dataPin, clockPin);
 
void setup()
{
   Serial.begin(38400); // Open serial connection to report values to host
   Serial.println("Starting up");
   wifiConnect();
   Firebase.begin(FIREBASE_HOST, FIREBASE_AUTH);
   delay(10);
}
 
void loop()
{
  float temp_c;
  float temp_f;
  float humidity;
 
  // Read values from the sensor
  temp_c = sht1x.readTemperatureC();
  temp_f = sht1x.readTemperatureF();
  humidity = sht1x.readHumidity();
 
  // Print the values to the serial port
  Serial.print("Temperature: ");
  Serial.print(temp_c, DEC);
  Serial.print("C / ");
  Serial.print(temp_f, DEC);
  Serial.print("F. Humidity: ");
  Serial.print(humidity);
  Serial.println("%");

  Firebase.setInt("temp", temp_c);
  Firebase.pushFloat("temp", temp_c);
  Firebase.setFloat("temp", 42.0); 

   // handle error 
   if (Firebase.failed()) { 
       Serial.print("setting /number failed:"); 
       Serial.println(Firebase.error());   
       return; 
   } 

  if(WiFi.status() != WL_CONNECTED)
  {
    wifiConnect();
  }

  delay(2000);
}

void wifiConnect()
{
  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);             // Connect to the network
  Serial.print("Connecting to ");
  Serial.print(WIFI_SSID); Serial.println(" ...");

  int teller = 0;
  while (WiFi.status() != WL_CONNECTED)
  {                                       // Wait for the Wi-Fi to connect
    delay(1000);
    Serial.print(++teller); Serial.print(' ');
  }

  Serial.println('\n');
  Serial.println("Connection established!");  
  Serial.print("IP address:\t");
  Serial.println(WiFi.localIP());         // Send the IP address of the ESP8266 to the computer
}