For Challenge 2, I decided to keep up with the car theme.because I liked working on the first challenge. I wanted to make something more advanced than previously because I knew I could make something better if I invested more time into actual programming.

My idea was an Engine simulator, where you could adjust the RPM of an engine using a potentiometer. I used a Lego engine and connected it to the Arduino and made a tachometer and a virtual engine using Processing.

Overall, I believe that despite the simplicity of the visual output, everything worked as I intended. However, there still is room for improvement or adjustments, for example, a function to display different phases of an engine (intake, compression, combustion, exhaust), which could help people better understand how the engine works. It is a very challenging task, but it could make the whole experience more exciting.