Project tutorial
Bluetooth Door Lock

Bluetooth Door Lock © GPL3+

How to make Bluetooth Door Lock by Using Arduino

  • 1,967 views
  • 3 comments
  • 16 respects

Components and supplies

A000066 iso both
Arduino UNO & Genuino UNO
×1
Relay (generic)
×4
11026 02
Jumper wires (generic)
×1
Car door lock actuator
×1
BD139 Transistor
×2
2.2k Resistor
×2

Necessary tools and machines

09507 01
Soldering iron (generic)
Hy gluegun
Hot glue gun (generic)

Apps and online services

Arduino Bluetooth Controller

About this project

In this Project, we will make door lock by using Arduino UNO R3 and Bluetooth module HC-05. we also install Arduino Bluetooth controller app in the the mobile.

Code

Untitled fileArduino
void setup() {
Serial.begin(9600);
 pinMode(8, OUTPUT);
 pinMode(9, OUTPUT);
 }

void loop() {
  
 if(Serial.available()>0) 
   {     
      char data= Serial.read();
      switch(data)
      {
        case 'a': digitalWrite(8, HIGH);
        delay(3000);
        digitalWrite(8, LOW);break;
        case 'b': digitalWrite(9, HIGH);
        delay(3000);
        digitalWrite(9, LOW);break;
        default : break;
      }
      Serial.println(data);
   }
   delay(50);
}

Schematics

Door Lock
Door lock  ssx8zolqgg

Comments

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