Solicitation order|Smart home-Mobile phone remote control door opening module

Function:
1: Open the door on the mobile APP, detect the door opening information, and push it to the APP. [The door lock can be operated thousands of miles away]
2. Detect the carbon monoxide content in the house and display it in the APP. If it exceeds the standard, it will be pushed to the APP and alarm. [Digitization of home security information]
Principle: This module is connected to the home router wifi and connected to the MQTT server. The mobile phone can use the 4G network to access the MQTT server to realize remote information interaction.

Highlights:
1. The mobile app opens the door remotely. When relatives come to the house, you can Open the door thousands of miles away.
2. Battery charging design, low power consumption, can work for a long time.
3. It does not damage the original door structure and is simple and convenient to install.
4. When the battery is exhausted or the app cannot be opened, a traditional mechanical key can be used to open the door

to expand the function: some IO is left, and a matrix keyboard can be connected to realize a password door lock.

Physical picture:! [Physical picture.jpg]
Wiring method: The interface information is indicated on the board.

Please see the attachment for the program and video [For the first version of the program, you need to fill in your home WIFI information, then connect your phone to your home WIFI, open the browser and enter 192.168.0.200]