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Beginners Guide to Automation – Episode 18

In this episode of the series (on my second channel:, I show you how to improve the lifespan of your SD Card on your Raspberry Pi with batching of your IOT data. I also teach you about Contextual Variables in Node-Red.

The flow for this episode can be imported from here:

To import this into Node-Red, click on the three lines on the top right of node-red, and select “import”.


Paste the text, and import (either to the current flow, or to a new flow).


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