Project tutorial
Arduino Tutorial: JARVIS v1 | How to make a Home Automation

Arduino Tutorial: JARVIS v1 | How to make a Home Automation © GPL3+

This project demonstrates the use of different technologies and their integration to build an intelligent system for home automation.

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  • 14 comments
  • 86 respects

Components and supplies

Ard nano
Arduino Nano R3
×1
Relay Module (Generic)
×1
Bluetooth Low Energy (BLE) Module (Generic)
×1

Necessary tools and machines

09507 01
Soldering iron (generic)

About this project

Step 1: Parts and Material

The parts which we need are:

  • Arduino
  • Relay Breakout board
  • Bluetooth Module - HC-05
  • Jumper Cables

Step 2: Connections

*Arduino -> BT MODULE*

  • TX -> RX
  • RX -> TX
  • VCC -> 3.3v
  • GND -> GND

*Arduino -> Relay Board*

  • IN1 -> D2
  • IN2 -> D3
  • IN3 -> D4
  • IN4 -> D5
  • VCC -> VCC
  • GND -> GND

Step 3: The Code

You can find the sample code below.

Step 4: Application

For now we will use the ready-made application. In the following days I will publish the application once after the certificates are processed.

BT Voice Control for Arduino created by SimpleLabsIN: https://apkpure.com/bt-voice-control-for-arduino/robotspace.simplelabs.amr_voice/download?from=details

Working of this Project:

Code

Sample Code Arduino
//Coded By: Angelo Casimiro (4/27/14)
//Voice Activated Arduino (Bluetooth + Android)
//Feel free to modify it but remember to give credit

String voice;
int
led1 = 2, //Connect LED 1 To Pin #2
led2 = 3, //Connect LED 2 To Pin #3
led3 = 4, //Connect LED 3 To Pin #4
led4 = 5, //Connect LED 4 To Pin #5
led5 = 6; //Connect LED 5 To Pin #6
//--------------------------Call A Function-------------------------------// 
void allon(){
     digitalWrite(led1, HIGH);
     digitalWrite(led2, HIGH);
     digitalWrite(led3, HIGH);
     digitalWrite(led4, HIGH);
     digitalWrite(led5, HIGH);
}
void alloff(){
     digitalWrite(led1, LOW);
     digitalWrite(led2, LOW);
     digitalWrite(led3, LOW);
     digitalWrite(led4, LOW);
     digitalWrite(led5, LOW);
}
//-----------------------------------------------------------------------// 
void setup() {
  Serial.begin(9600);
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  pinMode(led4, OUTPUT);
  pinMode(led5, OUTPUT);
}
//-----------------------------------------------------------------------// 
void loop() {
  while (Serial.available()){  //Check if there is an available byte to read
  delay(10); //Delay added to make thing stable
  char c = Serial.read(); //Conduct a serial read
  if (c == '#') {break;} //Exit the loop when the # is detected after the word
  voice += c; //Shorthand for voice = voice + c
  } 
  if (voice.length() > 0) {
    Serial.println(voice);
//-----------------------------------------------------------------------//   
  //----------Control Multiple Pins/ LEDs----------// 
       if(voice == "*all on") {allon();}  //Turn Off All Pins (Call Function)
  else if(voice == "*all off"){alloff();} //Turn On  All Pins (Call Function)
 
  //----------Turn On One-By-One----------//
  else if(voice == "*TV on") {digitalWrite(led1, HIGH);}
  else if(voice == "*fan on") {digitalWrite(led2, HIGH);}
  else if(voice == "*computer on") {digitalWrite(led3, HIGH);}
  else if(voice == "*bedroom lights on") {digitalWrite(led4, HIGH);}
  else if(voice == "*bathroom lights on") {digitalWrite(led5, HIGH);}
  //----------Turn Off One-By-One----------//
  else if(voice == "*TV off") {digitalWrite(led1, LOW);}
  else if(voice == "*fan off") {digitalWrite(led2, LOW);}
  else if(voice == "*computer off") {digitalWrite(led3, LOW);}
  else if(voice == "*bedroom lights off") {digitalWrite(led4, LOW);}
  else if(voice == "*bathroom lights off") {digitalWrite(led5, LOW);}
//-----------------------------------------------------------------------// 
voice="";}} //Reset the variable after initiating

Schematics

Connection
Download qqrucl4pyt

Comments

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