It provides you with a low-power Bluetooth smart door lock solution designed to save materials. Through the built-in BLE module, it cooperates with the mobile phone APP to read the Bluetooth information of the smart lock, try to pair, and send the unlock request to the server. The server sends the unlock command to the mobile phone. The mobile phone receives the command, and then sends the command to the smart lock through Bluetooth to unlock. This scheme has very low power consumption and is easy to produce.

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