蓝牙4.0内核官方资料，英文版的，很详细的介绍了蓝牙4.0版本的全部信息-Bluetooth 4 kernel official information, English version, a very detailed introduction to all the information of the Bluetooth version 4

简单明了的介绍了蓝牙4.0，详细的描述讲解了低功耗蓝牙协议栈。和CC2540DK-MINI Kit介绍。-Simple introduction of Bluetooth 4, described in detail to explain the low power consumption of Bluetooth protocol stack.

DA14585蓝牙入门教程，用于连接DA14585基础入门知识(DA14585 Introduction to Bluetooth)