一：
官网介绍地址：http://www.nordicsemi.com/Products/Bluetooth-low-energy/nRF5-SDK-for-Mesh
Nordic offers a complete solution for the Bluetooth mesh specification with the nRF5 SDK for Mesh and the nRF51 and nRF52 Series SoCs. It provides a powerful solution for product developers to take advantage of the new capabilities introduced by Bluetooth mesh. The nRF5 SDK for Mesh is intended to be used as a foundation for any Bluetooth mesh product development.
The addition of mesh networking capabilities to Bluetooth Low Energy enables extended range, increases the number of nodes and a many-to-many (m:m) communication topology. In a Bluetooth mesh network every received packet is broadcasted by relays, until the packet is received by the destination node (a so called managed flooding mesh.) A simple, but effective way of spreading information across the mesh network with no single point of failure. The mesh functionality is a significant update and enables new applications for Bluetooth in smart home, lighting, beaconing and asset tracking applications.
Nordic 为蓝牙网格规范提供了一个完整的解决方案，其中包括针对网格的nRF5 SDK，以及nRF51和nRF52系列的SoCs。
它为产品开发人员提供了一个强大的解决方案，可以利用蓝牙网格引入的新功能。
用于网格的nRF5 SDK是用于任何蓝牙网格产品开发的基础。
将网状网络功能添加到低功耗蓝牙技术可以扩展范围，增加节点数量和多对多(m:m)通信拓扑。
在蓝牙网络中，每一个接收到的数据包都被中继广播，直到数据包被目标节点接收(一个被称为托管的洪水网格)。
一种简单但有效的方法，可以将信息传播到整个网状网络中，而不是单点故障。
网格功能是一个重要的更新，它可以在智能家居、照明、信标和资产跟踪应用程序中支持蓝牙的新应用。
二：
源码下载：http://www.nordicsemi.com/Products/Bluetooth-low-energy/nRF5-SDK-for-Mesh