Episode 15: Visualising IOT data in Node-red, and adding a float switch - CCBGTA

In this episode we visualise the data we are receiving from the ESP32 via MQTT. I also share a small change I am making to this project by adding a float switch sensor 👇 SHOW MORE to jump to the spot in the video that interests you:

Float switch: https://geni.us/floatswitch Arduino code: https://pastebin.com/gGiLQjGC Node-red flow: https://pastebin.com/VukMUiTB

0:00:00 Introduction 0:00:12 Project pivot 0:00:43 Adding a float switch sensor 0:02:22 Code for the float switch 0:03:51 Pull-up and Pull-down Resistors 0:04:57 Testing the float switch in Node Red 0:05:21 Adding dashboard nodes 0:10:49 Changing the layout of the dashboard 0:15:34 Dealing with bad data from BME280 / I2C 0:17:30 Multiple inputs on a node-red chart 0:18:51 Review of the final dashboard

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