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DeviceOpen   
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DeviceOpen

Listing of Devices »
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DeviceOpen["devclass"]

opens a connection to the first available device in the class specified by "devclass".

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DeviceOpen["devclass",spec]

opens a connection to the particular device defined by spec.

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DeviceOpen[device]

opens a connection to an existing device specified by a DeviceObject.

Details

Examples

open allclose all

Basic Examples  (1)Summary of the most common use cases

Open a demo device:

In[1]:=1
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https://wolfram.com/xid/0h2m3hxghk-h2k3xc
Out[1]=1

Read one item from the device:

In[2]:=2
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https://wolfram.com/xid/0h2m3hxghk-1dazhj
Out[2]=2

Scope  (3)Survey of the scope of standard use cases

Open a random number generator with a specified random seed:

In[1]:=1
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https://wolfram.com/xid/0h2m3hxghk-za383p
Out[1]=1

Read from the device:

In[2]:=2
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https://wolfram.com/xid/0h2m3hxghk-ornngp
Out[2]=2

Open a device after discovering it:

In[1]:=1
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https://wolfram.com/xid/0h2m3hxghk-vj2rv0
Out[1]=1
In[2]:=2
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https://wolfram.com/xid/0h2m3hxghk-pyg5z2
Out[2]=2

Query the properties of an open device:

In[1]:=1
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https://wolfram.com/xid/0h2m3hxghk-pguplz
In[2]:=2
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https://wolfram.com/xid/0h2m3hxghk-2bnw69
Out[2]=2

Obtain a property value:

In[3]:=3
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https://wolfram.com/xid/0h2m3hxghk-qap4xr
Out[3]=3

Applications  (3)Sample problems that can be solved with this function

Open the default camera attached to your system and capture a frame:

In[1]:=1
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https://wolfram.com/xid/0h2m3hxghk-f9rv80
Out[1]:=1
In[2]:=2
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https://wolfram.com/xid/0h2m3hxghk-e9hq89
Out[2]=2

Open a serial port with a specified name:

In[1]:=1
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https://wolfram.com/xid/0h2m3hxghk-mkppt8
In[2]:=2
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https://wolfram.com/xid/0h2m3hxghk-4nxfuj
Out[2]=2

Connect to a weather station device:

In[1]:=1
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https://wolfram.com/xid/0h2m3hxghk-l9vvya
Out[1]=1

Use the returned DeviceObject to configure its barometer bricklet UID and read in the ambient temperature:

In[2]:=2
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https://wolfram.com/xid/0h2m3hxghk-okdi76
In[3]:=3
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https://wolfram.com/xid/0h2m3hxghk-sec3c7
Out[3]=3
Wolfram Research (2014), DeviceOpen, Wolfram Language function, https://reference.wolfram.com/language/ref/DeviceOpen.html.
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Wolfram Research (2014), DeviceOpen, Wolfram Language function, https://reference.wolfram.com/language/ref/DeviceOpen.html.

Text

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

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

CMS

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

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

APA

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

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

BibTeX

@misc{reference.wolfram_2025_deviceopen, author="Wolfram Research", title="{DeviceOpen}", year="2014", howpublished="\url{https://reference.wolfram.com/language/ref/DeviceOpen.html}", note=[Accessed: 15-April-2025 ]}

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@misc{reference.wolfram_2025_deviceopen, author="Wolfram Research", title="{DeviceOpen}", year="2014", howpublished="\url{https://reference.wolfram.com/language/ref/DeviceOpen.html}", note=[Accessed: 15-April-2025 ]}

BibLaTeX

@online{reference.wolfram_2025_deviceopen, organization={Wolfram Research}, title={DeviceOpen}, year={2014}, url={https://reference.wolfram.com/language/ref/DeviceOpen.html}, note=[Accessed: 15-April-2025 ]}

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@online{reference.wolfram_2025_deviceopen, organization={Wolfram Research}, title={DeviceOpen}, year={2014}, url={https://reference.wolfram.com/language/ref/DeviceOpen.html}, note=[Accessed: 15-April-2025 ]}