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IoT home automation module and C++ application for ESP32 that allow you to open an existing gate from a mobile phone. Additionally, when someone rings the gate, the system sends an instant notification to the mobile phone - Robotics (IoT, Arduino, C++, Blynk).



Different features of this application:

Detection:

  • A sensor installed inside the gate can detect the presence of people or vehicles, or both. This avoids the need to manually open the gate when guests leave.

Creation of electronic keys:

  • Creation of small electronic keys, without quantity limitations, that may have a limited period of use.

Through the use of Bluetooth connections:

  • Most mobile phones and recent cars have a Bluetooth connection that assigns them a unique Media Access Control (MAC) address. This MAC address acts as a signature. For example, "00:1B:44:11:3A:B7" represents one of the 280 trillion possible combinations. Phones and cars continuously emit their identity (MAC address) within a radius of 10 to 40 meters.
    • a) You can use this feature to automatically open the gate when you approach in your car.
    • b) You can also authorize a group of people to enter your property by using their respective MAC addresses.
    • c) Through a web interface with a secure database, you can log in with a username and password. From this interface, you will have the ability to add or remove the MAC addresses of authorized individuals or vehicles.
    • d) By integrating a calendar, you can schedule specific time slots during which certain individuals are allowed to open the gate. For example, you can set up your housekeeper to open the gate every X days between certain hours.
    • e) This feature is particularly useful when you cannot use your phone to open the gate, such as during a golf competition where phone usage is prohibited!

Mailbox:

  • You can add a "mailbox" switch to receive real-time notifications when mail is deposited and to verify if the mailbox has been closed after opening.

Gate closure confirmation:

  • You can add a "Gate securely closed" switch to receive real-time confirmation that the gate has been properly closed after opening.

These features make this application very practical and versatile for managing your gate. If you have any further questions or specific requests, feel free to contact us.