What Is OTG

Are you wondering what in the world does OTG mean not to worry check out the definition below from Webopedia

Short for USB On-The-Go, an extension of the USB 2.0 specification for connecting peripheral devices to each other.
USB OTG products can communicate with each other without the need to be connected to a PC.

For example, a digital camera can connect to a PDA, or a mobile phone can connect to a printer or a scanner, as long as all the devices are USB OTG-
compatible.

USB OTG grew from the increasing need
for portable devices to be able to communicate with each other as the culture of technology moves away
from a PC-centric world.

One of the important features of USB OTG is that the standard does not require a host PC in order for the
devices to communicate. USB OTG devices, known as dual-role peripherals, can act as limited hosts or peripherals themselves depending on how the cables are connected to the devices, and they also can connect to a host PC.

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