Servo at 0 position door is closed.
Open and closed a servo door lock.
When you insert the bent paperclip stick the straightened paperclip beneath it and move it around.
If the state is low the door is closed.
Rfid and keypad door lock and alert system using arduino.
If the state changes from low to high the door opening event is detected.
Bend one of the paperclips and fold out the other one as straight as possible.
To detect the door opening door closing events we can detect the state change on the arduino input pin.
Bluetooth door lock arduino.
Void loop char key keypad getkey.
If key key if the lock is open it can be locked again by pushing o r on the keypad.
Recently i rewatched the amazing spiderman in one scene peter parker locks and unlocks his door from his desk using a remote.
In this project we will do an automatic door lock system using a 4 4 keypad and servo motor controlled by arduino.
Heres how i made it.
The servo is connected to pin 11.
If the state is high the door is open.
The command to close the lock after or is pushed.
When i saw this i instantly wanted my own for my door.
If you have two paper clips on you the process will be that much easier.
After a bit of tinkering i got a working model.
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.
If the state changes from high to low the door closing event is detected.
It will open door and send confirmation message otherwise it will send alert message.