Robotics - Group Profile

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Robotics Robotics
# Robotics & Automation Learning Group

**Build. Innovate. Automate. Shape the... more
Ronald Clanton (owner)
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- 1 total member
- Last updated Oct 7
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Ronald Clanton

owner MQTT (Message Queuing Telemetry Transport) is a lightweight, publish-subscribe network protocol designed for connecting devices with limited bandwidth, processing power, or unreliable network conditions—making it the de facto standard for IoT communication �. Origins and Purpose MQTT was invented in 1999 by Andy Stanford-Clark (IBM) and Arlen Nipper (then at Eurotech/Cirrus Link) for a Phillips 66 project that needed a way to monitor oil pipelines remotely via satellite (VSAT) links with minimal bandwidth and battery drain �. It's now standardized by OASIS and recognized as ISO/IEC 20922 �. How It Works MQTT operates on a pub/sub model rather than direct client-to-client communication, decoupling the sender from the receiver through a central intermediary: Publisher – a device or app that sends data (a "message") tagged to a specific topic Broker – the server that receives published messages, filters them by topic, and routes them to interested parties � Subscriber – a client that has registered interest in one or more topics and receives matching messages Topics – hierarchical string labels (like folder paths) that organize message routing without publishers needing to know who's listening � Because publishers and subscribers never talk to each other directly, MQTT scales well and each side can be added or removed without reconfiguring the rest of the system �. Key Technical Features Common Use Cases MQTT is widely used for smart sensors, wearables, industrial IoT (SCADA, PLCs), home automation, and any device-to-cloud or cloud-to-device messaging scenario where bandwidth or power is constrained �. A variant called MQTT-SN adapts the protocol for non-TCP/IP networks such as Bluetooth, ZigBee, and UDP �. For hands-on work, popular open-source brokers include Eclipse Mosquitto, EMQX, and HiveMQ, and if you're experimenting with home automation or local IoT/AI infrastructure projects, MQTT pairs well with tools like Home Assistant or Node-RED for building lightweight sensor networks or automation pipelines.

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