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The USB-C socket marked with USB Host/Device on the left is a data
port, which can be automatically switched in the role of USB host or
device:
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When connecting a class compliant USB MIDI device, WIDI
Uhost will automatically switch to the host role that can work as
standalone device without computer, and convert USB MIDI
data into Bluetooth MIDI data (and vice versa). When WIDI
Uhost runs in this mode, it needs to be powered by external 5V
USB power to the USB-C socket on the right side, and it can
supply up to 500 mA of buss power to the attached USB device.
-
When connecting a computer USB port or a USB MIDI device
with USB Host port, WIDI Uhost will automatically switch to a
USB device and convert the USB MIDI data into Bluetooth MIDI
data (and vice versa). When WIDI Uhost runs in this mode, it can
be powered by the USB bus power.
The USB-C socket marked with USB Power on the right is the power
supply port. You can use a general USB Type-C charging cable to
connect to a standard USB power source with 5 volts (for example:
charger, power bank, computer USB socket, etc.). While using the
external USB power, it can supply maximum 500 mA of buss power
specified by the USB 2.0 standard to the attached USB device.
Note: Do not use a power supply higher than 5 volts, otherwise it may cause
damage to WIDI Uhost or the attached USB device.
The push button on the right side of the interface is used for specific
operations (please confirm that the WIDI Uhost firmware has been
upgraded to the latest version). The following operations are based
on firmware v0137 or higher: