closes the connection to a device and frees related resources.


  • Devices are represented by a DeviceObject or by a string giving the name of a device class.
  • DeviceClose closes any open streams to and from the device and releases external resources associated with the device.


open allclose all

Basic Examples  (2)

Open a demo device:

Close the device:

Close a device by giving its string class name:

Applications  (3)

Open a connection to a serial device and then close it:

Open a connection to a weather station device, read in temperature data, and then close the connection:

Open the default camera attached to your system and close it after five seconds:

Introduced in 2014