adds code


I’m having a break from robotics while the weather is great. In the mean time I’ll publish any talks I have for the Technophiles Of Mainline Meetup I go to https://www.meetup.com/Retired-Technophiles-of-the-Main-Line/ . This talk is about Node-Red which is a useful tool for IOT and Home Automation projects. I’ll focus on demonstrating some use cases to give an idea how it is used, but will start with a little background on Node-Red first. 00:44 Node-Red – some basics and background 05:20 My Node-Red setup, how I installed and use node-red. 07:31 Example01: Basics - Example of a basic Node-Red flow and using the Node-Red, browser based, editor. 11:57 Example02: IOT -My hacked together IOT WifiButton to trigger flows (See link to github for the esp32 code, below). This demonstrates pressing a button on an IOT device (Based on a esp32) and processing it in Node-Red to send a message via SMS to my phone. 18:31 Example03: Home Automation - Showing how Node-Red can be used in a Home Automation use case. I press the WiFiButton and toggle a light connected to a Smart Plug. 22:35 Example04: Data Logging – I add the ability to log the time I turned the light on and off to an InfluxDb time series DB. Resources IBM Cloud : https://cloud.ibm.com/ Node-Red: https://nodered.org/ WiFiButton Code: https://github.com/somervda/wifiButtonESP32 Node-red flows: https://flows.nodered.org/ My Wifi Button code: https://github.com/somervda/wifiButtonESP32 Model Train control: https://wiki.rocrail.net/doku.php?id=start OpenCV node: https://flows.nodered.org/node/node-red-contrib-opencv Node-red on Android Phone (Amazing): https://youtu.be/Xoe5Hf9Janw Node-red, influxdb, grafana stack: https://youtu.be/JdV4x925au0 Installing Influxdb: https://youtu.be/Vq4cDIdz_M8 Udemy course: https://www.udemy.com/course/introduction-to-node-red My main web site: https://lupincorp.com
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