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What is the difference and relationship between Bluetooth LE and Bluetooth mesh?

Last Updated on：2023-01-30 09:44:43

Bluetooth mesh is based on Bluetooth LE to create a software protocol stack in the upper layer to support networking control between devices. The mobile phone only needs to connect to one node in the network to control all nodes in the network. The Bluetooth LE node without mesh is called single-point Bluetooth. There is no networking capability between nodes. The mobile phone must be connected to the node to control it. Due to the limited connection ability of the mobile phone, it is impossible to achieve large-scale network control. However, the networking capability of mesh brings an increase in power consumption. The mesh node needs to keep RF scanning at all times, while the single-point device does not need to turn on the RF at all times, which leads to the average power consumption of the mesh at the mA level, while the single-point power consumption consumption at the uA level.