Between the Week 7 and Week 8 lab periods, advancements were made relating to both the head and the integration of the Stepper motor and the scissor jack.
The parts of the head were adhered together using hot glue, with the exception of the jaw pieces. Those pieces will be added after it is determined how the Arduino board will fit into the head. (add image)
The group obtained the coupler that will be used to connect the motor to the screw of the scissor jack. Now it must be decided how to stabilize the bottom of the Stepper motor. Two possibilities are under consideration:
1) Constructing two guard rails on either side of the Stepper motor and placing a spring underneath the motor.
2) Constructing two guard rails on either side of the Stepper motor and fixing a rubber band sling to both guard rails and resting the motor to the sling.
After deciding how to support the Stepper motor as its height changes, the group must test the apparatus to ensure that the motor has enough power to change the elevation of the scissor jack's platform.
Outside of this function, progress must be made in the following areas:
Date of Update: May 28, 2018
The parts of the head were adhered together using hot glue, with the exception of the jaw pieces. Those pieces will be added after it is determined how the Arduino board will fit into the head. (add image)
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| Assembled head excluding jaw (side view) |
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| Assembled head excluding jaw (front view) |
The group obtained the coupler that will be used to connect the motor to the screw of the scissor jack. Now it must be decided how to stabilize the bottom of the Stepper motor. Two possibilities are under consideration:
1) Constructing two guard rails on either side of the Stepper motor and placing a spring underneath the motor.
 |
| Spring as support |
2) Constructing two guard rails on either side of the Stepper motor and fixing a rubber band sling to both guard rails and resting the motor to the sling.
 |
| Rubber band as support |
After deciding how to support the Stepper motor as its height changes, the group must test the apparatus to ensure that the motor has enough power to change the elevation of the scissor jack's platform.
Outside of this function, progress must be made in the following areas:
- LED eyes
- Greeting using speaker and audio amplifier circuit
- Increasing reliability of the PIR sensor
- Assembling and dressing of the skeleton
- Jaw movement
Date of Update: May 28, 2018
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