Arduino Door Lock Using 4×4 Keypad and Servo Motor

By on October 11, 2015
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In this project we will do an automatic door lock system using a 4×4 keypad and servo motor controlled by Arduino. Our password: “123”.

Materials:


Arduino Uno/Mega  x1
Breadboard  x1
4×4 Keypad  x1
Servo Motor  x1
Red LED  x1
Green LED  x1
220 Ohm  x2
Jumper Cable

Code listing is here, on Arduino Door Lock Using 4×4 Keypad and Servo Motor

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