Open And Closed A Servo Door Lock

The required circuit is a simple pulse generator based on a 555 timer arduino or pic microcontroller. When i saw this i instantly wanted my own for my door. 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.

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Open and closed a servo door lock.

If the state changes from high to low the door closing event is detected. Bluetooth door lock arduino. 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. To detect the door opening door closing events we can detect the state change on the arduino input pin.

If the state is high the door is open. Bend one of the paperclips and fold out the other one as straight as possible. Recently i rewatched the amazing spiderman in one scene peter parker locks and unlocks his door from his desk using a remote. Servo at 0 position door is closed.

After a bit of tinkering i got a working model. After some wiggling your lock will hopefully open. If you have two paper clips on you the process will be that much easier. The command to close the lock after or is pushed.

Heres how i made it. If the state is low the door is closed. If the state changes from low to high the door opening event is detected. If key key if the lock is open it can be locked again by pushing o r on the keypad.

Void loop char key keypad getkey. It will open door and send confirmation message otherwise it will send alert message. The servo is connected to pin 11. When you insert the bent paperclip stick the straightened paperclip beneath it and move it around.

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

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