Node.js IoT – Data Visualization of Sensor Values

Sensor Data Viz

In today’s article, we’re moving beyond printing numbers in the console and creating some data visualization plots in both the terminal and in a graphical window. We’re also going to have fun!  😀

Today, I’m going to make the inductive leap that you’re making all of this happen using a Raspberry Pi. You may be able to implement these amazing ASCII terminal plots in the Windows world using Bash on Windows, but I have not tested in that context.  In addition to Raspbian, these steps will also generally work for other Linux distros as well as OS X.  If you are not running Node.js on your Raspberry Pi, please see my Beginner’s Guide to Installing Node.js on a Raspberry Pi.  You can also see my article on Using Visual Studio Code with a Raspberry Pi if you are seeking to set up a development environment.  For this tutorial, the Leafpad text editor, installed by default with Raspbian, may suffice. Continue reading

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