electrical interface signal的意思|示意

Product Mechanical Dimensions, external electrical signal, communication bus protocol and the standard memory card line, and currently on the market with memory card interface device is compatible.

产品机械尺寸、外部电气信号、通讯总线协议与标准的存储卡保持一致，与目前市场上的带有存储卡接口的终端设备兼容。

The hardware design mainly includes signal detect circuit, electrical level translation circuit, microcontroller interface circuit, data communication circuit and so on.

在硬件电路设计方面完成了信号检测电路、电平平移电路、单片机接口电路以及数据通信等电路的设计。