Being able to visualize data makes it easier to understand. It allows you to see patterns that might have otherwise been hidden as well as tell stories about your data. You can create data visualizations with pure JavaScript, but there are a number of JavaScript libraries that make it easier. The library you will be using in this book is D3.js. In this chapter you will create a bar chart with D3.js with data collected in the same way as in Chapter 6. At the end of the chapter you will have a bar graph with the data from one of the potentiometers.
Introduction to D3.js
D3 stands for data-driven ...
