When i saw this i instantly wanted my own for my door.
Servo door lock.
To unlock and lock a door.
After a bit of tinkering i got a working model.
Bluetooth door lock arduino.
Using a servo motor to operate a door lock august 24 2015 february 2.
We use an mg959 servo motor mounted to 2 servo mounts using rivets supplied with the servo mount to clamp them together.
How to make a smartphone connected door lock duration.
The required circuit is a simple pulse generator based on a 555 timer.
The external lock is mounted to a flat shaft that locks and unlocks the deadbolt when rotated.
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.
This shaft must be shaved down or cut to fit the new depth of the servo motor.
Heres how i made it.
A latch can be attached to the servo e g.
Just thought of making a password based door lock system in which you can enter the password via the keypad.
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.
Servo motor mg90s.
It was an interesting project which required beginner s level skill in programming and very easy to connect circuit.
This is a short video demonstrating use of small servos to open and close doors.
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.
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.