This is a really simple project. In fact, it is so simple that it does not even need a Protoshield board. The color-sensing module can just be attached directly to the Arduino (Figure 4-1). When the module is placed next to an object, it will determine its color.
FIGURE 4-1 Color-sensing module attached to an Arduino.
To build this project, you will need the following:
Really, that’s it! The only tricky bit might ...