keyestudio USB Host v1.5 shield is an add-on board for Aduino USB Host. Directly plug it to Aduino board and it will allow Aduino to have USB Host function. Aduino with host function can communicate with USB devices, such as USB flash disk, keyboards, mice, joysticks, digital cameras.
Among these functions, the most attractive one is supporting the connection of android phones to achieve Google ADK function. It enables your phone as a control terminal to control your robot or other devices. Meanwhile, it can display the collected data on your mobile terminal.