Analog
The Infinite Shades of Gray
8.1 Beyond Black and White
So far, we have learned that microcontrollers think in a digital or binary language of 1s and 0s. In the previous chapter, we learned how digital I/O can unveil a thin layer of external interaction, that allows the LaunchPad to see the world in black and white, experiencing just a single bit at a time. In this chapter, we will take it to the next level and enable the LaunchPad to experience the full spectrum and interact with HIGH and LOW signals and everything in between!
An analog signal is a voltage that may fluctuate anywhere between 0 V and VCC (~3 V). While all of the input pins on our LaunchPad can differentiate between 0 V and VCC and round them up or down to a ...
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