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利用蓝牙低能量将可穿戴无线传感器连接到物联网
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2017-05-12
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利用蓝牙低能量将可穿戴无线传感器连接到物联网
物联网产业（IIoT）在很大程度上依赖于传感器的便携式数据采集系统，可监测运动，压力，湿度，再反馈到云处理许多其他特性。
模块提供了一个快速和简单的方式来添加传感器的设计，但往往有挑战，这些模块连接到网络的其余部分。有许多不同的方式使这种连接，但最简单的是最新的蓝牙低能量（竹叶提取）技术。BLE收发器体积缩小与芯片规模封装，使其足够小，适合在一个IIoT设计各种传感器。
Figure 1： The Dialog IoT sensor dongle.
Wireless transceiver designer Dialog Semiconductor has done just that with its SmartBond IoT Sensor Development Kit to make developing motion and environmental sensing applications easy.
Combining the wireless transceiver with the sensors in a dedicated module has allowed Dialog to produce the world’s lowest power 12 Degrees-of-Freedom （DOF） wireless sensor module. This reduces system size and cost and includes all essential hardware and software to speed up IoT system development. By combining all the elements， Dialog is able to include code to fuse the data from the various sensors together to provide more meaningful outputs rather than just streams of data. This helps to reduce the load on the transceiver and reduce the memory requirements and current consumption， increasing the battery life and reducing the development time.
This system optimization is only possible through the development of the complete module， which combines the BLE transceiver and ARM? Cortex?-M0 processor with an accelerometer， gyroscope， magnetometer and environmental sensors from Bosch Sensortec on a board measuring just 16 x 15 mm.
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