Intelligent Electronic Lock 'Security Guard' Based on STM32 Microcontroller

In the context of today's era, private and efficient identity recognition systems are widely applied, and more traditional security systems are moving towards intelligent and informational development. As a result, intelligent electronic locks have gradually entered people's lives, transforming from simple password locks to embody technological advancements, subtly changing people's habits. This design presents an intelligent electronic lock based on the STM32 microcontroller, which implements multiple unlocking methods such as password unlocking, fingerprint unlocking, RFID card unlocking, and Bluetooth unlocking. This intelligent electronic lock, controlled through touch and mobile devices like smartphones, greatly enhances the user experience in terms of control. Compared to traditional locks, it not only ensures the original security but also adds more functions that align with the present era, facilitating and enriching people's lives. It holds practical significance in real-world applications.