Password Door Lock with MIT App using ESP32 Project -

Password Door Lock with MIT App using ESP32 Project

In this article, we will learn how to make Password Door Lock with MIT App using ESP32 Project.

In the last post, we learned how to make Servo motor interfacing with ESP32 Projects.

Components Required:

ESP32
FET
Battery (12v)
Door lock
Diod (1N4007)
Resistor (220Ω)
Connecting wires

Password Door Lock with MIT App using ESP32:

Circuit Connection:

Connect –ve terminal of Battery with GND pin of ESP32 through one terminal of FET
Connect pin 18 of ESP32 with one side of resistor 220
Connect 2^nd side of resistor 220 with 2^nd terminal of FET
Connect base pin of FET with –ve terminal of Solenoid Lock through one side of Diod 4007
Connect +ve side of Solenoid Lock with +ve terminal of 12v battery through 2^nd terminal of Diod 4007
Dress up the wires clean and tidy

Circuit Diagram:

Usages:

A Bluetooth password-based door lock system utilizing ESP32 offers various practical applications across different scenarios:

Residential Security Enhancement:

Implementing this system at home provides an additional layer of security. It enables homeowners to control door access via their Smartphone’s, offering convenience without compromising safety.

Office or Business Access Control:

In workplaces, this system can regulate access to certain areas or rooms within an office premises. Employees or authorized personnel can unlock doors using their Smartphone’s, improving security and access management.

Rental Properties:

Landlords can use this system in rental properties, such as Airbnb accommodations, to remotely grant access to guests. Temporary access can be provided by sharing the password or access through a mobile app during the guests’ stay.

Shared Spaces or Facilities:

It’s useful in shared spaces like gyms, community centers, or co working spaces, allowing authorized members or user’s access to specific areas within those spaces.

Security for Personal Lockers or Cabinets:

It can secure personal lockers or cabinets in gyms, schools, or workplaces, where individuals can use their smart phones to unlock their assigned lockers.