The simplest way of getting the data from the Arduino is with the unit connected directly to a host computer Universal Serial Bus (USB) interface, reading the data as if it were a serial connection.
从Arduino获得数据最简单的方式是让此单元直接连接到主机计算机的UniversalSerialBus (USB)接口，像串行连接那样读取数据。
The host computer and the slave computers can communicate with each other either through the interface RS485 or the interface USB.
上位机与下位机之间既可通过RS485口通讯，也可以通过USB接口通讯。
The host computer and the slave computers can communicate with each other either through the interface RS485 or the interface USB.
上位机与下位机之间既可通过RS485口通讯，也可以通过USB接口通讯。
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