If you have an Android phone or tablet and want to host a USB device such as an Arduino, you’ll need an On-The-Go (OTG) USB cable. You can purchase one online for a few bucks, but if you have a USB ...

Originally, USB was designed to use a computer as the client and allow you to plug things like keyboards, mice, USB storage dongles and phones into the computer. OTG allows for the reverse — the phone ...

Micro USB OTG: These were commonly used with older Android smartphones that came with Micro USB ports. This port could let you plug in a pen drive, keyboard, or mouse to transfer files or type more ...