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关于 Node-RED
Node-RED is a flow-based, low-code development tool for visual programming, originally developed by IBM for wiring together hardware devices, APIs and online services as part of the Internet of things.
来源：维基百科Node-RED is a flow-based, low-code development tool for visual programming, originally developed by IBM for wiring together hardware devices, APIs and online services as part of the Internet of things.
来源：维基百科
