Wiring diagram lets start by wiring the servo to the arduino i would like to note that even though i m using the arduino nano the arduino uno will work just as well.
Open and closed a servo door lock via bluetooth.
All you need is an arduino bluetooth module and servo motor.
You can open or close a lock using your smartphone.
Download the bluetooth control app from the play store and install it.
The instructable become very popular and i got lots of email from the c.
Before that the function fixes the arduino and elements near the door such that the servo motor s shaft is connected to the door lock.
Write a program to take input from android smartphone.
In this video we are going to show you how to make an arduino project for home automation to open or close door using arduino.
I published an instructable on arduino android based diy smart lock which can be open and closed using password sent from android smartphone over bluetooth two years back.