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Ebyte E104-BT11 User Manual

Ebyte E104-BT11
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Chengdu Ebyte Electronic Technology Co., Ltd E104-BT11 User Manual
Copyright ©2012–2020Chengdu Ebyte Electronic Technology Co.,Ltd
8
address in the data format (see the instruction format for details), but the E module is 500 meters away from the A module, and the data
cannot be directly communicated, but As long as these modules belong to the same network, the data will be transmitted to module E
through the following link, A sends data to B, B then to C, C to D, D to E.
5.1.1 Basic knowledge
There are some items/noums in SIG mesh. This chapter introduces related items.
5.1.2 Network KeysNetKey
The key is used to protect network layer communication. It is a key generated using a random number generator that meets the
core specificationsSee more from Mesh Profile3.86
5.1.3 Application KeysAppKey
The key is used to protect the upper transport layer. It is generated using a compatible random number generator, and the
application key identifier (AID) is used to identify the application keySee more from Mesh Profile3.86
5.1.4 Device roles
In SIG MESH protocol, there are node, low power node, relay node, friend node and proxy node.
Node
The edge nodes in the entire mesh network have the ability to receive and send data, but do not have the relay function
Low power node
LPN
Due to the existence of the friend node, the low-power node does not need to send or monitor data
packets on the broadcast channel all the time. It only needs to query whether the data on the friend node reaches.
Relay node
It is the core node of the network layer to extend the network coverage. After receiving the data packets sent by
other nodes, it judges whether it needs to be forwarded according to the judgment conditions of the network protocol.
Friend node
low power node can connect to friend node. As proxy node of low power node
when lowpowernode data
reached
it can be buffered in Friendnode
to wait for low power node to check and obtain.
Proxy node
The proxy node can receive information through the bearer layer (broadcast bearer layer or GATT bearer layer),
and resend the message through another broadcast bearer layer or GATT bearer layer. The non-mesh low-power Bluetooth device plays
a key role in the process of becoming a member of the Bluetooth mesh network. The basic purpose of the proxy node is to perform
bearer layer conversion. It enables the conversion from the broadcast bearer layer to the GATT bearer layer and vice versa. Therefore,
devices that do not support the broadcast bearer layer can send and receive various Bluetooth mesh messages through the GATT
connection.
Provision node
It is a special node and the initiator of the entire network. Also called gateway. It will join the non-networked
devices to the mesh network. The Provision node provides provision data to unconfigured devices, including netkey, appkey, and the
unicast address corresponding to each element of the device. After the network formation is completed, the provision node is removed
without affecting the functions of other nodes.

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Ebyte E104-BT11 Specifications

General IconGeneral
BrandEbyte
ModelE104-BT11
CategoryControl Unit
LanguageEnglish

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