在“全民直播、万物皆可播”时代背景下,阐述了一种实时流媒体直播系统的设计过程.系统以Raspberry Pi 4B作为主控,搭载Linux操作系统.系统由视频采集端、流媒体服务器端、客户端三部分组成.视频采集端实时获取摄像头视频数据,利用FFmpe...在“全民直播、万物皆可播”时代背景下,阐述了一种实时流媒体直播系统的设计过程.系统以Raspberry Pi 4B作为主控,搭载Linux操作系统.系统由视频采集端、流媒体服务器端、客户端三部分组成.视频采集端实时获取摄像头视频数据,利用FFmpeg协议对视频流封包并推送到流媒体服务器.服务端运行SRS流媒体服务器,提供视频存储、推送与软件更新服务.客户端支持视频流拉取、直播、片段回放功能.系统采用QT配合触摸屏设计人机交互界面,可远程进行软件更新.本系统具有成本低、部署便捷、延迟短等优点,经测试系统的整体延时小于200 ms.展开更多
With the vigorous development of Internet of Things(IoT)technology,the demand for communication and data exchange between different types of IoT devices is increasing day by day.To solve the problems of diversity and ...With the vigorous development of Internet of Things(IoT)technology,the demand for communication and data exchange between different types of IoT devices is increasing day by day.To solve the problems of diversity and complexity of communication protocols between devices,this paper proposes a design scheme of a multi-connector IoT central gateway based on Raspberry Pi and Docker.Through the research and application of related technologies,by integrating multiple communication interfaces and utilizing containerization technology,an efficient,flexible,and scalable IoT central gateway has been realized,which can support the connection and data interaction of multiple communication protocols and provide strong support for the stable operation and development of the IoT system.展开更多
We utilized Raspberry Pi 4B to develop a microbial monitoring system to simplify the microbial image-capturing process and facilitate the informatization of microbial observation results.The Raspberry Pi 4B firmware,d...We utilized Raspberry Pi 4B to develop a microbial monitoring system to simplify the microbial image-capturing process and facilitate the informatization of microbial observation results.The Raspberry Pi 4B firmware,developed under Python on the Linux platform,achieves sum verification of serial data,file upload based on TCP protocol,control of sequence light source and light valve,real-time self-test based on multithreading,and an experiment-oriented file management method.The system demonstrated improved code logic,scheduling,exception handling,and code readability.展开更多
为了实现分拣装置的自动化与智能化,设计一款基于RaspberryPi的无线网络与串口通信相结合的自动化分拣系统.该系统采用树莓派3b+(Raspberry Pi 3b+)与Arduino开发套件作为主控芯片,利用树莓派的硬件控制,视觉处理等能力分析采集欲分拣...为了实现分拣装置的自动化与智能化,设计一款基于RaspberryPi的无线网络与串口通信相结合的自动化分拣系统.该系统采用树莓派3b+(Raspberry Pi 3b+)与Arduino开发套件作为主控芯片,利用树莓派的硬件控制,视觉处理等能力分析采集欲分拣物品的大小,形状,颜色等特征,从而实现有效自动分拣.通过串口通信模块,将采集到的物品信息传到下位机,使用Arduino开发环境下的串口调试功能对物品信息进行分析和处理,以实现机械臂对物品的智能抓取.最后,给出了实验分析,实验结果说明该系统满足对多种物品信号的实时采集分析和对检测到的数据进行传输与处理的要求,实现人工智能分拣的功能.展开更多
文摘在“全民直播、万物皆可播”时代背景下,阐述了一种实时流媒体直播系统的设计过程.系统以Raspberry Pi 4B作为主控,搭载Linux操作系统.系统由视频采集端、流媒体服务器端、客户端三部分组成.视频采集端实时获取摄像头视频数据,利用FFmpeg协议对视频流封包并推送到流媒体服务器.服务端运行SRS流媒体服务器,提供视频存储、推送与软件更新服务.客户端支持视频流拉取、直播、片段回放功能.系统采用QT配合触摸屏设计人机交互界面,可远程进行软件更新.本系统具有成本低、部署便捷、延迟短等优点,经测试系统的整体延时小于200 ms.
文摘With the vigorous development of Internet of Things(IoT)technology,the demand for communication and data exchange between different types of IoT devices is increasing day by day.To solve the problems of diversity and complexity of communication protocols between devices,this paper proposes a design scheme of a multi-connector IoT central gateway based on Raspberry Pi and Docker.Through the research and application of related technologies,by integrating multiple communication interfaces and utilizing containerization technology,an efficient,flexible,and scalable IoT central gateway has been realized,which can support the connection and data interaction of multiple communication protocols and provide strong support for the stable operation and development of the IoT system.
文摘We utilized Raspberry Pi 4B to develop a microbial monitoring system to simplify the microbial image-capturing process and facilitate the informatization of microbial observation results.The Raspberry Pi 4B firmware,developed under Python on the Linux platform,achieves sum verification of serial data,file upload based on TCP protocol,control of sequence light source and light valve,real-time self-test based on multithreading,and an experiment-oriented file management method.The system demonstrated improved code logic,scheduling,exception handling,and code readability.
文摘为了实现分拣装置的自动化与智能化,设计一款基于RaspberryPi的无线网络与串口通信相结合的自动化分拣系统.该系统采用树莓派3b+(Raspberry Pi 3b+)与Arduino开发套件作为主控芯片,利用树莓派的硬件控制,视觉处理等能力分析采集欲分拣物品的大小,形状,颜色等特征,从而实现有效自动分拣.通过串口通信模块,将采集到的物品信息传到下位机,使用Arduino开发环境下的串口调试功能对物品信息进行分析和处理,以实现机械臂对物品的智能抓取.最后,给出了实验分析,实验结果说明该系统满足对多种物品信号的实时采集分析和对检测到的数据进行传输与处理的要求,实现人工智能分拣的功能.
