Servo Door Lock

In this project we will do an automatic door lock system using a 4 4 keypad and servo motor controlled by arduino.

Servo door lock.

After a bit of tinkering i got a working model. This shaft must be shaved down or cut to fit the new depth of the servo motor. We use an mg959 servo motor mounted to 2 servo mounts using rivets supplied with the servo mount to clamp them together. This is a short video demonstrating use of small servos to open and close doors.

Only if we enter the right code on the keypad we want the green led to light up and turn the servo to a certain position lock open. 12pcs sg90 micro servo motor dorhea mini servo sg90 9g servo kit for rc helicopter airplane car boat robot arm hand walking servo door lock control with dupont cable compatible with arduino 16 99 16. The external lock is mounted to a flat shaft that locks and unlocks the deadbolt when rotated. Heres how i made it.

The required circuit is a simple pulse generator based on a 555 timer. A latch can be attached to the servo e g. Arduino breadboard keypad 4 4 in this example cables one red led one green led two 100 ohm resistors servo. This operation can be used to actuate a door lock or a latch to enable you to remotely lock and unlock a door or gate.

12pcs sg90 micro servo motor dorhea mini servo sg90 9g servo kit for rc helicopter airplane car boat robot arm hand walking servo door lock control with dupont cable compatible with arduino 16 99 16. How to make a smartphone connected door lock duration. 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. It was an interesting project which required beginner s level skill in programming and very easy to connect circuit.

Recently i rewatched the amazing spiderman in one scene peter parker locks and unlocks his door from his desk using a remote. Bluetooth door lock arduino. When i saw this i instantly wanted my own for my door. Servo motor mg90s.