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Expand Up @@ -12,9 +12,8 @@ In this chapter, we will explore how to read analog signals using an **Analog-to
Analog signals are used to represent phenomena in the real world, such as pressure, temperature or other physical quantities. Analog signals differ from digital ones as they can have an **infinite** number of possible values, whereas digital ones are **finite**.

You will learn the following in this chapter:
- How to read a button,
- how to turn on an LED,
- how to make the Nano ESP32 perform a continuous action (placing it in a loop).
- How to read an analog signal,
- how to generate a faux analog output signal using PWM, to fade an LED.

## Analog Signals

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