MUSIC-BOX
- The Music-box uses 1 motor & 1 touch sensor.
When the box is opened, the sensor is released. This switched-on the music &
the doll (that resembles a penguin) rotates.
- On the right of the box is the card reader. It comprises of 1 touch sensor,
1 light sensor & 1 motor. Cards with colored surface are inserted. The touch sensor
sensing the presence of the card activates the roller to drag the entire card into the reader.
The light sensor at the end will measure the color tone.
Different music are represented by the color tones.