In an ulnoiot system you find one or several ulnoiot gateways and wirelessly connected nodes with physically connected devices (sensors or actors).
An ulnoiot gateway contains and runs all the software needed to configure an IoT system. It also provides facilities to run and manage a WiFi router as well as an MQTT-broker. It therefore provides configuration management software as well as dataflow management services.
Such a gateway can for example easily be installed on a Raspberry Pi 3. Nodes are wireless components which interact with physical objects. Usually a node has several devices attached to it. devices can be sensors (like a button or temperature, light, movement, or humidity sensor) or actors (like relais, solenoids, motors, or leds).
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