Internet of Things (IoT) with Node: Both Practical and Fun!
summary
Shows a working pipeline: an ESP8266 based wemos D1 mini reads a light resistor and a DS18B20 temperature sensor, publishes every ~10 seconds over TLS with a MAC-based client id using mqtt.js to an MQTT broker, typical QoS 0, and a Node app inserts messages into a DB for querying. Demo uses ActiveMQ/Mosquitto options, charts in Grafana, and mentions Node-RED for flows and Kafka for enterprise backbones.
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chapters (15)
- 0:00Start
- 1:21Introduction to Iot and Mqtt
- 1:57What Is the Internet of Things
- 2:31Mqtt
- 3:20The Client and the Broker
- 4:55Topics
- 5:30Restrictions
- 6:19Quality of Service
- 11:15Iot Devices
- 12:34Existing Devices
- 12:46Mqtt Bridge
- 13:39Build Your Own Device
- 15:14Circuit Diagram
- 20:28Demo
- 26:47Node Red
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