The simplest way i can think of is to use a networked microcontroller such as a raspberry pi arduino w network shield etc a rfid reader such as this which needs an external antenna or this or this for each door in your clinic and a central server handling the.
Rfid door lock system diy.
Attached servo on lock with nuts and bolt.
Designed for the main door of the building.
No electronic device is exposed to the street or to the rain.
I see a few parts to this system and each one can be easier or harder depending on how much money you have to spend.
Instructions to build your own do it yourself rfid door lock for your home garage etc also if you have a 3d printer you can also use my case designs or change my designs to make your own.
Glue servo control horn with door lock handle.
Insert a 4 bolt in the lock s hole.
The first step to building a rfid door lock with a basic arduino is to bread board out a basic working arduino.
There is nothing visible from the outside of the door that could be manipulated by an intruder.
Reinforced electronic rfid l.
Connect a led to digital output 13 and verify that everything is working.
Make a hole in the door lock.
Em 18 rfid reader operates at 125 khz and it comes with an on chip antenna and it can be powered with 5v power supply.
Most arduino pre flashed atmega 168 chips come with the default blink program pre installed.
They are not quite perfect as i am pretty new to 3d printi.
It provides serial output along with weigand output.
Rfid and iot esp8266 rfid based remote access door lock in this tutorial you will learn how to make rfid and iot based remote access door lock system using nodemcu esp8266 wifi module mfrc522 rfid module electronic lock and blynk application with the help of this project you can remotely monitor your door lock from anywhere.
Rfid and iot based remote access door lock system introduction.
Rfid stands for radio frequency identification.
Each rfid card has a unique id embedded in it and a rfid reader is used to read the rfid card no.
Arduino rfid door lock circuit diagram.
Reinforced electronic rfid hidden cabinet lock with metal enclosure and wide bolt.
You just mount an rfid reader on the inside of the door which reads the rfid card through the closed door.