基于sim868模块对老人进行定位；蓝牙串口读取adxl345计步器数据进行记步；短信通知老人位置,可以进行天气查询的一个android应用
sim868将gps定位数据发送到onenet平台，然后本app获取onenet数据，在高德地图上绘制marker,定位老人位置。
基于adxl345模块开发计步器，记步数据通过蓝牙串口发送到本app。
首页集成天气
“我的”可以编辑老人信息，生成二维码图片，便于他人获悉老人必要的联系信息；同时也支持扫描二维码。
选择省份
选择市区
选择区县
显示天气
定位和老人坐标标点
蓝牙读取计步器读数(开发中)
sim868上传gps模块到onenet demo
adxl345计步器(待开发)
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