STM32 project Sharing -- mqtt intelligent access control system (including app control)

Preface

I wrote a simple MQTT Protocol Intelligent Access Control System , It contains some basic functions , You can learn MQTT perhaps RC522 Students have a study , Put the resource connection to the end , The students who need it will take it by themselves

Resource inclusion

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Instructions for intelligent access control  

• Connection diagram

1.

2.   The development board itself comes with a LED , This LED Just like our door

• Function summary

1. Use APP The lock , This unlocking method will not automatically close the door , need APP The bank closes the lock manually
2. Use RFID The way to unlock , The door will be unlocked in 5~8 Automatically close the lock within seconds
3. After logging in to the cloud platform, you can see the background data , This data every 10~15 Seconds to update

• How the underlying code is used

1. First connect according to the schematic diagram , After connecting, do the following operations

2. Turn on the phone hotspot Hot name ：hhh password ：12345678

3. open programs

 

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4. View cloud platform data

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• APP Usage mode

1. download APP

2. open APP

3. After that, we can see that the online devices are online

4. Sending the door opening message will receive the status returned by the bottom layer

5. Send closing message

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Download resources  

Intelligent access control system https://download.csdn.net/download/herui_2/86263224