基于stc12（1t系列都可以）单片机，结合蓝牙串口驱动舵机实现开门 上位机随意下一个蓝牙串口就行 可以用串口验证修改密码 并开门(Based on STC12 (1t series can be) single-chip microcomputer, combined with the Bluetooth serial port driver, the actuator can be opened, and the host com