Wiegand协议是国际上统一的标准，是由摩托罗拉公司制定的一种通讯协议。它适用于涉及门禁控制系统的读卡器和卡片的许多特性。 -Wiegand protocol is a unified standard in the world, as well as formulated by MOTOROLA, a communication protocol.It is suitable for the entrance guard control system of the reader, and m

利用定时器的门控信号GATE进行控制从而可以实现脉冲宽度。-Using the timer gating signal GATE is controlled so that the pulse width can be realized.

BACnet是用于智能建筑的通信协议. BACnet针对智能建筑及控制系统的应用所设计的通信，可用在暖通空调系统（HVAC，包括暖气、通风、空气调节）也可以用在照明控制、门禁系统、火警侦测系统及其相关的设备(BACnet is a communication protocol for intelligent buildings Application of BACnet communication and control system for intelligent building des