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Apache IoTDB (Database for Internet of Things) is an IoT native database with high performance for data management and analysis, deployable on the edge and the cloud. Due to its light-weight architecture, high performance and rich feature set together with its deep integration with Apache Hadoop, Spark and Flink, Apache IoTDB can meet the requirements of massive data storage, high-speed data ingestion and complex data analysis in the IoT industrial fields. In the scene of factories, there...

...NodeManager is intended to take care on your behalf of all those common tasks a MySensors node has to accomplish, speeding up the development cycle of your projects an including the following main components: - Sleep manager: allows managing automatically the complexity behind battery-powered sensors spending most of their time sleeping - Power manager: allows powering on your sensors only while the node is awake - Battery manager: provides common functionalities to read and report the battery level - Remote configuration: allows configuring remotely the node without the need to have physical access to it - Built-in sensors: provide embedded code so to allow their configuration with a single line of common sensors Source code on http://github.com/mysensors/NodeManager

...The documentation covers protocol concepts, control packet formatting, operational behavior, security, WebSocket transport, and conformance requirements. Individual chapters describe connection, publication, subscription, acknowledgment, heartbeat, and disconnection packets in detail. The material can be read through GitBook, the repository wiki, HTML, PDF, or ebook editions. Its structured table of contents makes specific packet definitions and normative rules easy to locate. The project is documentation rather than an MQTT broker or client implementation.