This week Group 6 focused on remodeling our NXT robot. The initial design did not work out after numerous trials and errors. The issue was that the robot was tilted sideways, it was not parallel to the surface it was on. This tilt was due to the uneven surface of the motor that supported the wheels. Group 6 tried to level out the robot, but we were not able to. Thus, it was decided to take the whole robot apart and start again. This time the base was created first to assure a leveled robot, as seen in Figure 1. In addition to creating a leveled out base, it was agreed upon to use gears for the wheels since the group hopes to create a track. This track will allow the robot to have a much more stabilized road to acquire better precision when it hits the keys on the melodica. A picture of the track is seen in Figure 3. There are four long orange rods present because the wheels will be running between a pair of rods.
As for our top part of the robot Group 6 will be using two motors with attachments to hit the keys as seen in Figure 2. Wheels with rubber around them were used to minimizes the chances of slippage when pressing the keys. The motors will move these wheels in a up and down motion to hit the keys. This top piece will be attached to the base, creating the whole piece.
Figure 1. Base of robot
Figure 2. Top of robot
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