Design of home smart access control system based on STM32

With the continuous advancement of technology, smart home systems are gradually becoming an indispensable part of modern families, bringing convenience and comfort that are deeply loved by people. Among these systems, the home intelligent access control system has received widespread attention and discussion due to its important role in safeguarding family security. This design adopts STM32 as the main control microcontroller and achieves the coordinated work of multiple modules through serial communication to realize intelligent management of home access control. By combining advanced biometric identification technologies such as fingerprint and RFID, it improves the security of the access control system and effectively prevents illegal intrusions. Through mobile phone APP and Bluetooth communication, users can remotely control the access control system, realizing highly convenient humanmachine interaction functions. Multiple unlocking methods such as fingerprint, IC card, and mobile phone APP provide users with more options, flexibly adapting to different scenarios and needs. The design is to improve home security by introducing advanced technologies while providing residents with a more convenient living experience.