Description
This Johnny 5 model has been built after dimensional study of real Johnny five to obtain the most precise replica possible in desktop scale. This model is driven by 6 NXT motors and can sense the world with 3 sensors (up to 8 sensors can be plugged). The two NXTs communicate with each other using the serial link on port 4.
This robot features:
- Differential drive treads
- Rotating poseable head
- Raising torso
- Moving and lighting laser
- Grabbing & lifting underactuated hands
- Hand Following
- Line Following
- Speech and music clips from the Short Circuit movie
- Double NXT system
- Fully remote controllable
- Autonomous behavior
Parallelogram Structure

The gear ratio of the arms mechanism is 1:5. Two universal joints allow the shoulders to bend inwards and outwards. The arms motor, placed like this, seems the toolbox of Johnny 5. A parallel kinematic structure mantains the shoulders correctly aligned to the ground, when J5 torso is raised or lowered.