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Showing posts from March, 2019

Automatic Door Locking with Arduino

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Automatic Door Locking and Unlocking System With Arduino. Components Required:- 1.Arduino MEGA 2.Keypad 4*4 3.Infrared Module (*2) 4.LCD Display 16*2 5.Power Supply(it can be between 5v to 12v max) (I have used 12v adapter for arduino and a 5v adapter for servo motor) 6.breadboard(optional) 7.box for Fitting the lcd and keypad 8.jumper wires **(I have used an external power supply for servo motor because, a rduino is not capable for supplying large current greater the 600mA and their are two many thing attached to arduino here which is continuously taking current through it, so it may happen that servo motor stop working due reduction in current) **(This has happened with me,the arduino keep on going reboot again and again)  Working of the lock:- Password for this is 1234. First if the door is closed and we enter the password 1234,it will print "Access Granted" on LCD and the door will open using the servo motor,I have