October 2019
Intermediate to advanced
350 pages
9h 5m
English
Content preview from Hands-On Internet of Things with MQTT
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ZigBee
ZigBee is a specification for local networks using low-power radio signals. It is used in home automation and sensor networks when multiple devices need to talk to one another in relatively close proximity (10-100 m line of sight) without an internet connection. Using ZigBee, mesh networks can be formed, bridging longer distances to transmit information via intermediate nodes. Each device in a ZigBee network needs to be set up as a coordinator, router, or end device. Each ZigBee network needs to have exactly one coordinator, which forms the root of the network. Router nodes are able to forward data between nodes, as well as consume and send data, while end notes consume or send data.
While there are various advantages, such as low ...
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