Chapter 3. Sensors and Arduino

In this chapter, you will learn how to process sensor data using an Arduino, the wildly popular microcontroller development board. There are many advantages to using Arduino rather than individual components as you did in Chapter 2. One of the biggest is that you’ll save time not having to wire up complex circuits to process sensor measurements (see Figure 3-1).

Our Arduino Uno, breadboard, and laptop
Figure 3-1. Our Arduino Uno, breadboard, and laptop

An Arduino runs sketches, which are programs that you write and upload to the Arduino from your computer. By writing software programs that make the decisions necessary to process sensor data, you really expand ...

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