As introduce in the article, introduction to embedded systems, Microcontrollers are the brain of an embedded system. So, In this article, I will be explaining. In Chapter 1, we discussed the different ways to think about using handson making to learn various subjects. In this chapter we introduce the basic nuts and bolts of. Using the Timer. The user interacts with the timer using 3 push buttons and the LCD module. The function of 3 keys are Select Key Select Different items like. Ready to dive into 3D printing, but dont know where to start Learn more about the latest in 3D printing projects, tutorials, and inspiration.