Create a connection to a nearby Bluetooth device.

device = bluetooth("TestDevice")

device = 
  bluetooth with properties:

                 Name: "TestDevice"
              Address: "BC275C50533C"
              Channel: 1
    NumBytesAvailable: 0
      NumBytesWritten: 0

  Show all properties

Write some data to the device and view the number of bytes available to be read in the input buffer.

write(device,1:5,"uint8")
device.NumBytesAvailable

ans =

     5

Flush both the input and output buffers.

flush(device);

View the number of bytes available to be read.

device.NumBytesAvailable

ans =

     0

The input buffer has no data.