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 Universal Serial Bus (USB) 接口，像串行连接那样读取数据。

youdao

DB9M-to-USB cable (optional if your host platform has an RS-232 port).

DB9M - to - US b线缆(如果主机平台有RS - 232端口，它就是可选的)。

youdao

On the other hand, very few PDAs can be configured to work as USB host devices; if you're willing to put in the time and effort, the 770 can use USB hard drives.

另一方面，很少有 PDA 设备可以配置成作为 USB 主机设备来工作；如果您愿意花一些时间和精力，770 甚至可以使用 USB 硬盘。

youdao

Rather than build a full media hub, ASUS appears to be crafting a possibly Roku-like dongle that would graft Google TV on to a host device through USB.

ENGADGET: blogger-avatar

Six slots play host to keys (obviously) and a mixture of inserts, such as the familiar USB drive (up to 32GB) and bottle opener, as well as the new mini-torch and barcode holder.

ENGADGET

Most of the changes to Honeycomb are happening under the hood -- better HTML5 support, faster performance, and USB host functionality for connecting peripherals like game controllers and mice -- but there are some improvements that will be a lot more obvious to the user.

ENGADGET: Android 3.1 on the Motorola Xoom: hands-on (video)