In this chapter, we concentrated on understanding the basics of building simple prototypes with the Arduino Uno board. We looked at how common electronic components are used with detailed hands-on examples. We learnt how to calculate the value of a resistor in a circuit, followed by how to use a transistor for switching and a rectifier diode for preventing current flow.
We also looked at two basic examples that included working with LEDs, Piezo Buzzers, and push buttons. Equipped with this knowledge, you will feel more confident about dealing with various Arduino-based breadboard circuits and their corresponding sketches.
In the next chapter, we are going to get introduced to interfacing our Arduino board with sensor modules in general. We will look at the fundamental process of interfacing with a sensor module by using its datasheet and Arduino library.
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