DeviceRead

DeviceRead[devobj] reads a single default item from the open device corresponding to the specified DeviceObject.

DeviceRead["devclass"] reads from the default device in the class "devclass".

DeviceRead[device,param] reads the parameter param from the specified device.

DeviceRead[device,{param1,param2,…}] reads the list of parameters parami from the specified device.

Examples

Read from a device class:

DeviceRead["Serial"]

Read a specific parameter from a device:

DeviceRead[device, "Temperature"]

Please visit the official Wolfram Language Reference for more details.