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Mastering Internet of Things by Peter Waher

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Using IPSO Smart Objects

While the LWM2M interface provides an application-layer standard for device management over CoAP, it lacks by itself object definitions for sensors and actuators. These are, however, provided by the IPSO Alliance. Some IPSO Smart Objects that we will use are presented in the following table. Notice that there is a slight overlap:

Object

IPSO Smart Object definition

3200

IPSO Digital Input

3201

IPSO Digital Output

3202

IPSO Analogue Input

3203

IPSO Analogue Output

3300

IPSO Generic Sensor

3301

IPSO Illuminance Sensor

3302

IPSO Presence Sensor

3306

IPSO Actuation

3320

IPSO Percentage

For a list of defined object types available for LWM2M, see: http://www.openmobilealliance.org/wp/OMNA/LwM2M/LwM2MRegistry.html ...

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