A lens and photo cell mounted in a gun-like plastic case, the console could calculate where on the screen ... the Arduino. Knowing both position and timing, the Arduino can then flash a white ...

Its designer and creator explains more : It uses an Arduino Mega board and a 3.2” TFT touch screen with a suitable shield for connecting the screen with the Arduino Board. For playing the music ...

Rob Cai has used and Arduino Uno development Board together ... One button is to clear the screen, the second to choose the color. One wheel moves the cursor horizontally and the other vertically.