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DeviceClose[device]

closes the connection to a device and frees related resources.

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DeviceClose

DeviceClose[device]

closes the connection to a device and frees related resources.

Details

  • 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.

Examples

open all close 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:

Wolfram Research (2014), DeviceClose, Wolfram Language function, https://reference.wolfram.com/language/ref/DeviceClose.html.

Text

Wolfram Research (2014), DeviceClose, Wolfram Language function, https://reference.wolfram.com/language/ref/DeviceClose.html.

CMS

Wolfram Language. 2014. "DeviceClose." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/DeviceClose.html.

APA

Wolfram Language. (2014). DeviceClose. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/DeviceClose.html

BibTeX

@misc{reference.wolfram_2025_deviceclose, author="Wolfram Research", title="{DeviceClose}", year="2014", howpublished="\url{https://reference.wolfram.com/language/ref/DeviceClose.html}", note=[Accessed: 14-August-2025]}

BibLaTeX

@online{reference.wolfram_2025_deviceclose, organization={Wolfram Research}, title={DeviceClose}, year={2014}, url={https://reference.wolfram.com/language/ref/DeviceClose.html}, note=[Accessed: 14-August-2025]}