该系统的工作过程为：当用户输入预先存储在存储器中的密码时，显示器提示相关信息，按开锁键，发光二极管亮，继电器动作门打开；反之，显示器提示错误信息，继电器不动作。-The operation of this system is: when the user enters the password stored in the memory, the display prompts relevant information, press the unlock button, the LED light