Open And Closed A Servo Door Lock

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.

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If you have two paper clips on you the process will be that much easier.

Open and closed a servo door lock.

Bend one of the paperclips and fold out the other one as straight as possible. Void loop char key keypad getkey. If the state is high the door is open. 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.

To detect the door opening door closing events we can detect the state change on the arduino input pin. The servo is connected to pin 11. If the state changes from low to high the door opening event is detected. After some wiggling your lock will hopefully open.

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. Rfid and keypad door lock and alert system using arduino. If key key if the lock is open it can be locked again by pushing o r on the keypad. It will open door and send confirmation message otherwise it will send alert message.

When you insert the bent paperclip stick the straightened paperclip beneath it and move it around. The command to close the lock after or is pushed. If the state changes from high to low the door closing event is detected. Servo at 0 position door is closed.

In this project we will do an automatic door lock system using a 4 4 keypad and servo motor controlled by arduino. The required circuit is a simple pulse generator based on a 555 timer arduino or pic microcontroller. Heres how i made it. If the state is low the door is closed.

After a bit of tinkering i got a working model.

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