nodemcu with firebase
#include <ESP8266WiFi.h> #include <FirebaseArduino.h> #define FIREBASE_HOST "**********" // Your Firebase Project URL #define FIREBASE_AUTH "************" // Your Firebase Database Secret #define WIFI_SSID "**************" // your WiFi SSID #define WIFI_PASSWORD "********" // your WiFi PASSWORD #define Relay1 12 //D6 int value1; #define Relay2 14 //D2 int value2; #define Relay3 4 //D1 int value3; #define Relay4 5 //D5 int value4; void setup() { Serial.begin(115200); pinMode(Relay1,OUTPUT); pinMode(Relay2,OUTPUT); pinMode(Relay3,OUTPUT); pinMode(Relay4,OUTPUT); digitalWrite(Relay1,HIGH); digitalWrite(Relay2,HIGH); digitalWrite(Relay3,HIGH); digitalWrite(Relay4,HIGH); WiFi.begin(WIFI_SSID,WIFI_PASSWORD); Serial.print("connecting"); while (WiFi.status()!=WL_CONNECTED) { Serial.print("."); delay(500); } Serial.println(); Serial.print("connected:"); Serial.println(WiFi.localIP()); Firebase.begin(FIREBASE_HOST); Firebase.setInt("S1",0); Firebase.setInt("S2",0); Firebase.setInt("S3",0); Firebase.setInt("S4",0); } void firebasereconnect() { Serial.println("Trying to reconnect"); Firebase.begin(FIREBASE_HOST); } void loop() { if (Firebase.failed()) { Serial.print("setting number failed:"); Serial.println(Firebase.error()); firebasereconnect(); return; } value1=Firebase.getString("S1").toInt(); //Reading the Status of Variable 1 from the firebase if(value1==1) { digitalWrite(Relay1,LOW); Serial.println("Relay 1 ON"); } else if(value1==0) { digitalWrite(Relay1,HIGH); Serial.println("Relay 1 OFF"); } value2=Firebase.getString("S2").toInt(); //Reading the Status of Variable 2 from the firebase if(value2==1) { digitalWrite(Relay2,LOW); Serial.println("Relay 2 ON"); } else if(value2==0) { digitalWrite(Relay2,HIGH); Serial.println("Relay 2 OFF"); } value3=Firebase.getString("S3").toInt(); //Reading the Status of Variable 3 from the firebase if(value3==1) { digitalWrite(Relay3,LOW); Serial.println("Relay 3 ON"); } else if(value3==0) { digitalWrite(Relay3,HIGH); Serial.println("Relay 3 OFF"); } value4=Firebase.getString("S4").toInt(); //Reading the Status of Variable 4 from the firebase if(value4==1) { digitalWrite(Relay4,LOW); Serial.println("Relay 4 ON"); } else if(value4==0) { digitalWrite(Relay4,HIGH); Serial.println("Relay 4 OFF"); } }