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mohammedbasithc/README.md

/************************************************************* This is the code for All in one Home Automation project using Firbase Database by techiesms.

techiesms YouTube Channel - https://www.youtube.com/techiesms

 techiesms explore | learn | share

*************************************************************/

#define DEBUG_SW 1 // Make it 1 to see all debug messages in Serial Monitor

#include <WiFi.h> #include <WiFiClient.h> #include <FirebaseESP32.h>

// Firebase Credentials #define FIREBASE_HOST "iotproject-a160b-default-rtdb.firebaseio.com" #define FIREBASE_AUTH "hWLMj8Ipy1ZGFdepzrPqcHNxi3N5RRmW2fJDWgj8"

// WiFi Credentials #define WIFI_SSID "@ba_sithuu" #define WIFI_PASSWORD "12345678"

// Function Declaration void with_internet(); void without_internet(); void speed0(); void speed1(); void speed2(); void speed3(); void speed4();

// Pins of Fan Regulator Knob #define s1 27 #define s2 14 #define s3 12 #define s4 13

// Pins of Switches #define S5 32 #define S6 35 #define S7 34 #define S8 39

// Pins of Relay (Appliances Control) #define R5 15 #define R6 2 #define R7 4 #define R8 22

// Pins of Relay (Fan Speed Control) #define Speed1 21 #define Speed2 19 #define Speed4 18

//Define FirebaseESP32 data object FirebaseData firebaseData; FirebaseJson json;

// Necessary Variables bool speed1_flag = 1; bool speed2_flag = 1; bool speed3_flag = 1; bool speed4_flag = 1; bool speed0_flag = 1;

bool speed0_firebase_flag = 1; bool speed1_firebase_flag = 1; bool speed2_firebase_flag = 1; bool speed3_firebase_flag = 1; bool speed4_firebase_flag = 1;

int switch_ON_Flag1_previous_I = 0; int switch_ON_Flag2_previous_I = 0; int switch_ON_Flag3_previous_I = 0; int switch_ON_Flag4_previous_I = 0;

String Speed_Value ;

void setup() { // put your setup code here, to run once: pinMode(s1, INPUT_PULLUP); pinMode(s2, INPUT_PULLUP); pinMode(s3, INPUT_PULLUP); pinMode(s4, INPUT_PULLUP); pinMode(S5, INPUT_PULLUP); pinMode(S6, INPUT_PULLUP); pinMode(S7, INPUT_PULLUP); pinMode(S8, INPUT_PULLUP);

pinMode(R5, OUTPUT); pinMode(R6, OUTPUT); pinMode(R7, OUTPUT); pinMode(R8, OUTPUT); pinMode(Speed1, OUTPUT); pinMode(Speed2, OUTPUT); pinMode(Speed4, OUTPUT);

Serial.begin(115200); WiFi.begin(WIFI_SSID, WIFI_PASSWORD);

Firebase.begin(FIREBASE_HOST, FIREBASE_AUTH); Firebase.reconnectWiFi(true);

}

void loop() {

if (WiFi.status() != WL_CONNECTED) { if (DEBUG_SW) Serial.println("Not Connected"); without_internet(); }

else { if (DEBUG_SW) Serial.println(" Connected"); Data_from_firebase(); with_internet(); } }

void Data_from_firebase() { if (Firebase.getString(firebaseData, "/Appliances/fan")) { if (firebaseData.stringData() == "0") { if (speed0_firebase_flag == 1) { speed0(); if (DEBUG_SW) Serial.println("Speed0 Firebase"); speed0_firebase_flag = 0; speed1_firebase_flag = 1; speed2_firebase_flag = 1; speed3_firebase_flag = 1; speed4_firebase_flag = 1; } } else if (firebaseData.stringData() == "1") { if (speed1_firebase_flag == 1) { speed1(); if (DEBUG_SW) Serial.println("Speed1 Firebase"); speed0_firebase_flag = 1; speed1_firebase_flag = 0; speed2_firebase_flag = 1; speed3_firebase_flag = 1; speed4_firebase_flag = 1; } } else if (firebaseData.stringData() == "2") { if (speed2_firebase_flag == 1) { speed2(); if (DEBUG_SW) Serial.println("Speed2 Firebase"); speed0_firebase_flag = 1; speed1_firebase_flag = 1; speed2_firebase_flag = 0; speed3_firebase_flag = 1; speed4_firebase_flag = 1; } } else if (firebaseData.stringData() == "3") { if (speed3_firebase_flag == 1) { speed3(); if (DEBUG_SW) Serial.println("Speed3 Firebase"); speed0_firebase_flag = 1; speed1_firebase_flag = 1; speed2_firebase_flag = 1; speed3_firebase_flag = 0; speed4_firebase_flag = 1; } } else if (firebaseData.stringData() == "4") { if (speed4_firebase_flag == 1) { speed4(); if (DEBUG_SW) Serial.println("Speed4 Firebase"); speed0_firebase_flag = 1; speed1_firebase_flag = 1; speed2_firebase_flag = 1; speed3_firebase_flag = 1; speed4_firebase_flag = 0; } } else { // Do nothing }

if (Firebase.getString(firebaseData, "/Appliances/appliance1")) { if (DEBUG_SW) Serial.print("Relay1 - "); if (DEBUG_SW) Serial.println(firebaseData.stringData()); if (firebaseData.stringData() == "1") { digitalWrite(R5, HIGH); } else { digitalWrite(R5, LOW); } } if (Firebase.getString(firebaseData, "/Appliances/appliance2")) { if (DEBUG_SW) Serial.print("Relay2 - "); if (DEBUG_SW) Serial.println(firebaseData.stringData()); if (firebaseData.stringData() == "1") { digitalWrite(R6, HIGH); } else { digitalWrite(R6, LOW); } } if (Firebase.getString(firebaseData, "/Appliances/appliance3")) { if (DEBUG_SW) Serial.print("Relay3 - "); if (DEBUG_SW) Serial.println(firebaseData.stringData()); if (firebaseData.stringData() == "1") { digitalWrite(R7, HIGH); } else { digitalWrite(R7, LOW); } } if (Firebase.getString(firebaseData, "/Appliances/appliance4")) { if (DEBUG_SW) Serial.print("Relay4 - "); if (DEBUG_SW) Serial.println(firebaseData.stringData()); if (firebaseData.stringData() == "1") { digitalWrite(R8, HIGH); } else { digitalWrite(R8, LOW); } }

} }

void with_internet() {

// FOR FAN if (digitalRead(s1) == LOW && speed1_flag == 1) { speed1(); Speed_Value = "1"; json.set("/fan", Speed_Value); Firebase.updateNode(firebaseData, "/Appliances", json); speed1_flag = 0; speed2_flag = 1; speed3_flag = 1; speed4_flag = 1; speed0_flag = 1;

} if (digitalRead(s2) == LOW && digitalRead(s3) == HIGH && speed2_flag == 1) { speed2(); Speed_Value = "2"; json.set("/fan", Speed_Value); Firebase.updateNode(firebaseData, "/Appliances", json); speed1_flag = 1; speed2_flag = 0; speed3_flag = 1; speed4_flag = 1; speed0_flag = 1;

} if (digitalRead(s2) == LOW && digitalRead(s3) == LOW && speed3_flag == 1) { speed3(); Speed_Value = "3"; json.set("/fan", Speed_Value); Firebase.updateNode(firebaseData, "/Appliances", json); speed1_flag = 1; speed2_flag = 1; speed3_flag = 0; speed4_flag = 1; speed0_flag = 1; } if (digitalRead(s4) == LOW && speed4_flag == 1) { speed4(); Speed_Value = "4"; json.set("/fan", Speed_Value); Firebase.updateNode(firebaseData, "/Appliances", json); speed1_flag = 1; speed2_flag = 1; speed3_flag = 1; speed4_flag = 0; speed0_flag = 1; } if (digitalRead(s1) == HIGH && digitalRead(s2) == HIGH && digitalRead(s3) == HIGH && digitalRead(s4) == HIGH && speed0_flag == 1) { speed0(); Speed_Value = "0"; json.set("/fan", Speed_Value); Firebase.updateNode(firebaseData, "/Appliances", json); speed1_flag = 1; speed2_flag = 1; speed3_flag = 1; speed4_flag = 1; speed0_flag = 0; }

// FOR SWITCH if (digitalRead(S5) == LOW) { if (switch_ON_Flag1_previous_I == 0 ) { digitalWrite(R5, HIGH); if (DEBUG_SW) Serial.println("Relay1- ON"); String Value1 = "1"; json.set("/appliance1", Value1); Firebase.updateNode(firebaseData, "/Appliances", json); switch_ON_Flag1_previous_I = 1; } if (DEBUG_SW) Serial.println("Switch1 -ON");

} if (digitalRead(S5) == HIGH ) { if (switch_ON_Flag1_previous_I == 1) { digitalWrite(R5, LOW); if (DEBUG_SW) Serial.println("Relay1 OFF"); String Value1 = "0"; json.set("/appliance1", Value1); Firebase.updateNode(firebaseData, "/Appliances", json); switch_ON_Flag1_previous_I = 0; } if (DEBUG_SW)Serial.println("Switch1 OFF"); }

if (digitalRead(S6) == LOW) { if (switch_ON_Flag2_previous_I == 0 ) { digitalWrite(R6, HIGH); if (DEBUG_SW) Serial.println("Relay2- ON"); String Value2 = "1"; json.set("/appliance2", Value2); Firebase.updateNode(firebaseData, "/Appliances", json); switch_ON_Flag2_previous_I = 1; } if (DEBUG_SW) Serial.println("Switch2 -ON");

} if (digitalRead(S6) == HIGH ) { if (switch_ON_Flag2_previous_I == 1) { digitalWrite(R6, LOW); if (DEBUG_SW) Serial.println("Relay2 OFF"); String Value2 = "0"; json.set("/appliance2", Value2); Firebase.updateNode(firebaseData, "/Appliances", json); switch_ON_Flag2_previous_I = 0; } if (DEBUG_SW)Serial.println("Switch2 OFF"); }

if (digitalRead(S7) == LOW) { if (switch_ON_Flag3_previous_I == 0 ) { digitalWrite(R7, HIGH); if (DEBUG_SW) Serial.println("Relay3- ON"); String Value3 = "1"; json.set("/appliance3", Value3); Firebase.updateNode(firebaseData, "/Appliances", json); switch_ON_Flag3_previous_I = 1; } if (DEBUG_SW) Serial.println("Switch3 -ON");

} if (digitalRead(S7) == HIGH ) { if (switch_ON_Flag3_previous_I == 1) { digitalWrite(R7, LOW); if (DEBUG_SW) Serial.println("Relay3 OFF"); String Value3 = "0"; json.set("/appliance3", Value3); Firebase.updateNode(firebaseData, "/Appliances", json); switch_ON_Flag3_previous_I = 0; } if (DEBUG_SW)Serial.println("Switch3 OFF"); }

if (digitalRead(S8) == LOW) { if (switch_ON_Flag4_previous_I == 0 ) { digitalWrite(R8, HIGH); if (DEBUG_SW) Serial.println("Relay4- ON"); String Value4 = "1"; json.set("/appliance4", Value4); Firebase.updateNode(firebaseData, "/Appliances", json); switch_ON_Flag4_previous_I = 1; } if (DEBUG_SW) Serial.println("Switch4 -ON");

} if (digitalRead(S8) == HIGH ) { if (switch_ON_Flag4_previous_I == 1) { digitalWrite(R8, LOW); if (DEBUG_SW) Serial.println("Relay4 OFF"); String Value4 = "0"; json.set("/appliance4", Value4); Firebase.updateNode(firebaseData, "/Appliances", json); switch_ON_Flag4_previous_I = 0; } if (DEBUG_SW) Serial.println("Switch4 OFF"); }

}

void without_internet() {

// FOR FAN if (digitalRead(s1) == LOW && speed1_flag == 1) { speed1();

speed1_flag = 0; speed2_flag = 1; speed3_flag = 1; speed4_flag = 1; speed0_flag = 1;

} if (digitalRead(s2) == LOW && digitalRead(s3) == HIGH && speed2_flag == 1) { speed2();

speed1_flag = 1; speed2_flag = 0; speed3_flag = 1; speed4_flag = 1; speed0_flag = 1;

} if (digitalRead(s2) == LOW && digitalRead(s3) == LOW && speed3_flag == 1) { speed3();

speed1_flag = 1; speed2_flag = 1; speed3_flag = 0; speed4_flag = 1; speed0_flag = 1;

} if (digitalRead(s4) == LOW && speed4_flag == 1) { speed4();

speed1_flag = 1; speed2_flag = 1; speed3_flag = 1; speed4_flag = 0; speed0_flag = 1;

} if (digitalRead(s1) == HIGH && digitalRead(s2) == HIGH && digitalRead(s3) == HIGH && digitalRead(s4) == HIGH && speed0_flag == 1) { speed0();

speed1_flag = 1; speed2_flag = 1; speed3_flag = 1; speed4_flag = 1; speed0_flag = 0;

}

// FOR SWITCH digitalWrite(R5, !digitalRead(S5)); digitalWrite(R6, !digitalRead(S6)); digitalWrite(R7, !digitalRead(S7)); digitalWrite(R8, !digitalRead(S8)); }

// Fan Speed Control

void speed0() { //All Relays Off - Fan at speed 0 if (DEBUG_SW)Serial.println("SPEED 0"); digitalWrite(Speed1, LOW); digitalWrite(Speed2, LOW); digitalWrite(Speed4, LOW);

}

void speed1() { //Speed1 Relay On - Fan at speed 1 if (DEBUG_SW)Serial.println("SPEED 1"); digitalWrite(Speed1, LOW); digitalWrite(Speed2, LOW); digitalWrite(Speed4, LOW); delay(1000); digitalWrite(Speed1, HIGH); }

void speed2() { //Speed2 Relay On - Fan at speed 2 if (DEBUG_SW)Serial.println("SPEED 2"); digitalWrite(Speed1, LOW); digitalWrite(Speed2, LOW); digitalWrite(Speed4, LOW); delay(1000); digitalWrite(Speed2, HIGH); }

void speed3() { //Speed1 & Speed2 Relays On - Fan at speed 3 if (DEBUG_SW)Serial.println("SPEED 3"); digitalWrite(Speed1, LOW); digitalWrite(Speed2, LOW); digitalWrite(Speed4, LOW); delay(1000); digitalWrite(Speed1, HIGH); digitalWrite(Speed2, HIGH);

}

void speed4() { //Speed4 Relay On - Fan at speed 4 if (DEBUG_SW)Serial.println("SPEED 4"); digitalWrite(Speed1, LOW); digitalWrite(Speed2, LOW); digitalWrite(Speed4, LOW); delay(1000); digitalWrite(Speed4, HIGH); }

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