Control of Lights + Fan using Wi-fi and Bluetooth

Watch Video Demonstration Carefully Till End -- Control of Lights + Fan using Wi-fi and Bluetooth

Control of Lights + Fan using Wi-fi and Bluetooth

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Project Abstract and Block Diagram Link --► http://svsembedded.com/Control_of_Lights_Fan_using_Wifi_and_Bluetooth.php

Hardware components list:

Hardware components list:

1.      ARDUINO UNO R3---- https://amzn.to/32uockl

2.      9V 1A DC Power supply---https://amzn.to/2QwQmpn

3.      Wireless  Bluetooth---- https://amzn.to/2ECAHlB

4.      WIFI   ESP8266---- https://amzn.to/32w2OLx

5.      Lcd  16x2  Display----- https://amzn.to/2YEHSB7

6.      4-Channel  Relay -----https://amzn.to/3gvogW9

SCHEMATIC DIAGRAM:

TWO APPS FROM GOOGLE PLAY STORE LINK:

WIFI MCU APP:       http://svsembedded.com/apps/WiFi_MCU_v2.0.apk

BLUETOOTH MCU APP:   http://svsembedded.com/apps/Bluetooth_MCU_v1.0.apk

FINAL SOFTWARE CODE:

#include<LiquidCrystal.h>

LiquidCrystal lcd(A0,A1,A2,A3,A4,A5);//rs,en,data pins d4 -d7

#include <SoftwareSerial.h>

SoftwareSerial myserial(4, 5); // RX, TX   bluetooth

int relay1 = 10; 

int relay2 = 8; 

int relay3 = 9; 

int relay4 = 11;

char c;

char d;

void setup() 

{

lcd.begin(16,2);

pinMode(relay1, OUTPUT); 

pinMode(relay2, OUTPUT); 

pinMode(relay3, OUTPUT); 

pinMode(relay4, OUTPUT);

myserial.begin(9600);

Serial.begin(115200);

lcd.setCursor(0,0);

lcd.print("BLUETOOTH - WIFI");

lcd.setCursor(0,1);

lcd.print(" HOME AUTOMATION ");

delay (3000);

lcd.clear();

WIFI_init();

lcd.setCursor(0,0);

lcd.print("PLZ OPEN THE APP");

lcd.setCursor(0,1);

lcd.print("CONNECT B.T/WIFI");

delay (3000);

digitalWrite(relay1, LOW);

digitalWrite(relay2, LOW);

digitalWrite(relay3, LOW);

digitalWrite(relay4, LOW);

}

void loop() 

{

c=myserial.read(); 

d = Serial.read();

//////////////////////////////////////////HC-05 BLUETOOTH CODE

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

     if (c=='@'){lcd.clear();lcd.setCursor(0,0);lcd.print("BULB1 on");digitalWrite(relay1, HIGH);delay(1000);lcd.clear();c='a';} 

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

else if (c=='$'){lcd.clear();lcd.setCursor(0,0);lcd.print("BULB2 on");digitalWrite(relay2, HIGH);delay(1000);lcd.clear();c='a';}

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

else if (c=='%'){lcd.clear();lcd.setCursor(0,0);lcd.print("BULB3 on");digitalWrite(relay3, HIGH);delay(1000);lcd.clear();c='a';}

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

else if (c=='('){lcd.clear();lcd.setCursor(0,0);lcd.print("DC MOTOR/FAN ON");digitalWrite(relay4, HIGH);delay(1000);lcd.clear();c='a';}

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

else if (c=='#'){lcd.clear();lcd.setCursor(0,0);lcd.print("BULB1 off");digitalWrite(relay1, LOW);delay(1000);lcd.clear();c='a';}

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

else if (c=='&'){lcd.clear();lcd.setCursor(0,0);lcd.print("BULB2 off");digitalWrite(relay2, LOW);delay(1000);lcd.clear();c='a';}

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

else if (c=='^'){lcd.clear();lcd.setCursor(0,0);lcd.print("BULB3 off");digitalWrite(relay3, LOW);delay(1000);lcd.clear();c='a';}

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

else if (c==')'){lcd.clear();lcd.setCursor(0,0);lcd.print("DC MOTOR/FAN OFF");digitalWrite(relay4, LOW);delay(1000);lcd.clear();c='a';}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

//////////////////////////////////////////WIFI ESP8266 CODE

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

 if (d=='@'){lcd.clear();lcd.setCursor(0,0);lcd.print("BULB1 on");digitalWrite(relay1, HIGH);delay(1000);lcd.clear();d='a';} 

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

else if (d=='$'){lcd.clear();lcd.setCursor(0,0);lcd.print("BULB2 on");digitalWrite(relay2, HIGH);delay(1000);lcd.clear();d='a';}

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

else if (d=='f'){lcd.clear();lcd.setCursor(0,0);lcd.print("BULB3 on");digitalWrite(relay3, HIGH);delay(1000);lcd.clear();d='a';}

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

else if (d=='v'){lcd.clear();lcd.setCursor(0,0);lcd.print("DC MOTOR/FAN ON");digitalWrite(relay4, HIGH);delay(1000);lcd.clear();d='a';}

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

else if (d=='#'){lcd.clear();lcd.setCursor(0,0);lcd.print("BULB1 off");digitalWrite(relay1, LOW);delay(1000);lcd.clear();d='a';}

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

else if (d=='w'){lcd.clear();lcd.setCursor(0,0);lcd.print("BULB2 off");digitalWrite(relay2, LOW);delay(1000);lcd.clear();d='a';}

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

else if (d=='%'){lcd.clear();lcd.setCursor(0,0);lcd.print("BULB3 off");digitalWrite(relay3, LOW);delay(1000);lcd.clear();d='a';}

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

else if (d=='&'){lcd.clear();lcd.setCursor(0,0);lcd.print("DC MOTOR/FAN OFF");digitalWrite(relay4, LOW);delay(1000);lcd.clear();d='a';}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

}

void WIFI_init()

{

lcd.clear();lcd.print("WIFI TESTING..");

boolean at_flag=1;while(at_flag){Serial.println("AT");while(Serial.available()>0){if(Serial.find("OK"))at_flag=0;}delay(100);}

lcd.clear();lcd.print("WIFI CONNECTED");delay(1000);lcd.clear();

///////////////////////////////////////////////////////////////////////////////////////////////////////

lcd.print("ECHO");

boolean echo_flag=1;

while(echo_flag)

{Serial.println("ATE0"); while(Serial.available()>0){if(Serial.find("OK"))echo_flag=0;}delay(100);}

lcd.clear();  lcd.print("Echo OFF");delay(1000);lcd.clear();

/////////////////////////////////////////////////////////////////////////////////////////////////////////

lcd.print("Finding Network..");

boolean net_flag=1;while(net_flag){Serial.println("AT+CIPMUX=1");

while(Serial.available()>0){if(Serial.find("OK"))net_flag=0;}delay(1000);}

lcd.clear();lcd.print("Network Found..");

/////////////////////////////////////////////////////////////////////////////////////////////////////////

lcd.setCursor(0,1);lcd.print("WIFI NETWORK OK");delay(2000);lcd.clear();

//////////////////////////////////////////////////////////////////////////////

/////////////////////////////////////////////////////////////////////////////////////////////////////////

lcd.clear();lcd.print("WIFI MODULE");

boolean test1_flag=1;while(test1_flag){Serial.print("AT+CIPSERVER=1,80\r\n");

while(Serial.available()>0){if(Serial.find("OK"))test1_flag=0;}delay(100);}

lcd.clear();lcd.print("CONEECTED");delay(1000);

///////////////////////////////////////////////////////////////////////////////////////////////////////////

}

================================================================

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