ALICE’S EVIDENCE: The Courtroom

Programming level 1

Puppeteering with the characters

P1

How to build

Puppeteering with the characters

  • Build the characters of the scene!

a.) The witnesses line up one after the other on a hand-rotating carousel, rotating on an axis.

  • The royal couple, Jack in chains, the other pieces of the deck of cards, Alice and the White Rabbit are in the courtroom.

b.) The ring game is powered by 1 DC motor and starts automatically. It is also equipped with movable parts with axles for some characters.

P1

Puppeteering with the characters "A" version

Puppeteering with the characters "B" version

P1

Programming level 2

Chaos in the courtroom

P2

How to build

Chaos in the courtroom

  • The Queen of Hearts and the King of Hearts interrogate the negotiators while sitting on the throne.
  • The witnesses line up on a carousel as in P1 b).
  • 3 Touch sensors are attached to the carousel. The 3 Touch sensors on the carousel start the carousel at 3 different speeds, thus lining up the witnesses in front of the royal couple.
  • The direction of the Queen of Hearts can be adjusted by an axle above the corresponding Touch sensor.
  • Using her arm and a servo motor to move, she strikes the selected Touch sensor and starts the carousel at the chosen speed. The Queen of Hearts’ program starts on pushing a Touch sensor.

P2

Chaos in the courtroom

P2

P2

Programming level 3

The King intervenes

P3

How to build

The King intervenes

  • Build the King and Queen of Hearts on the throne.
  • The witnesses line up on a carousel as in P1 b). 1 Touch sensor is connected to the carousel.
  • The Queen’s construction is similar to P2, with 1 Buzzer connected. The King is connected to 1 Sound sensor and 1 LED.
  • Triggered by 1 Touch sensor, the Queen strikes with her hammer, moved by an Servo motor mounted in her shoulder, and sets the carousel in motion with the witnesses.
  • The carousel spins for a random amount of time, then stops, and the Queen’s Buzzer sounds, accusing.
  • At that sound, the Sound Sensor mounted on the King activates its program and flashes an LED to indicate that the King is stopping the accusation and taking the witnesses to his defense.
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P3

The King intervenes

P3

P3

Programming level 4

The King and Queen in court

P4

How to build

The King and Queen in court

  • The King and Queen of Hearts sitting on the throne, as in P3.
  • Build the carousel, as in P2.
  • The Queen’s arm is connected by a servo motor, as in P2. The Queen can turn on another servo motor to place her hammer over the selected Touch sensor. The Queen can be turned by stepping the servo motor step by step.
  • In front of it, the carousel has 3 touch sensors that makes the DC motor to turn at different speeds and “guide” the witnesses to the throne.
  • Once the carousel is switched on, the robot operates in the same way as the P3.

P4

The King and Queen in court

P4

P4