BK7252_Data_Sheet_V1.0.pdf
BK7252是2.4 GHz 802.11n和BLE4.2带音频外围设备的梳状芯片 以及图像传感器接口。它集成硬件和软件完成一个完整的802.11b/g/n音频和视频、 应用程序,支持AP和同时担任STA角色,以及集成蓝牙低能耗收发器和5.0版投诉 协议栈。高速32位单片机和大型嵌入式RAM它能够支持多个云链接也适用于音频和图像应用程序。
BK7252是2.4 GHz 802.11n和BLE4.2带音频外围设备的梳状芯片 以及图像传感器接口。它集成硬件和软件完成一个完整的802.11b/g/n音频和视频、 应用程序,支持AP和同时担任STA角色,以及集成蓝牙低能耗收发器和5.0版投诉 协议栈。高速32位单片机和大型嵌入式RAM它能够支持多个云链接也适用于音频和图像应用程序。
BK无线编程器用户手册 RT-THREAD 文档中心 上海睿赛德电子科技有限公司版权 @2019 Beken 无线编程器可用于为 BK 系列芯片 Flash 下载程序,产品使用无线网络连接,相比传统有线烧 录器烧写速度大大提升,拥有 WiFi 烧录、局域网发现、Web 管理页面等功能特性,与 RW032/RW051/ RW052 开发板配套使用,能提高开发效率与用户体验。
A Low-Power CoAP for Contiki Abstract—Internet of Things devices will by and large be battery-operated, but existing application protocols have typically not been designed with power-efficiency in mind. In low-power wireless systems, power-efficiency is determined by the ability to maintain a low radio duty cycle: keeping the radio off as much as possible. We present an implementation of the IETF Constrained Application Protocol (CoAP) for the Contiki operating system that leverages the ContikiMAC low-power duty cycling mechanism to provide power efficiency. We experimentally evaluate our low-power CoAP, demonstrating that an existing application layer protocol can be made powerefficient through a generic radio duty cycling mechanism. To the best of our knowledge, our CoAP implementation is the first to provide power-efficient operation through radio duty cycling. Our results question the need for specialized low-power mechanisms at the application layer, instead providing low-power operation only at the radio duty cycling layer. Keywords-Internet of Things; Web of Things; CoAP; embedded Web services; energy; radio duty cycling;