Motor is connected to the PIC microcontroller and moves the objects connected to its rotational piece. This rotates with 360 degrees.
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Showing posts with label Developmental Work. Show all posts
Showing posts with label Developmental Work. Show all posts
Wednesday, December 21, 2011
Servo
Servo delivers rotation to the different parts of this robot. The rotation delivered by the servo is limited and cannot make a full 360 degree rotation.
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29 motor controller
The 29 Motor controller is an adapter to make the motors compatable with the PIC microcontroller. With out this the motors will spin without control. I can say this from experience.
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Power Pack
The Power pack hold an electrical charge that feeds the PIC Microcontroller. This is re-chargable and will be charged prior to the use.
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Receiver Module
The Receiver module accepts the signals transmitted from the remote controller and delivers them to the PIC Microcontroller.
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PIC Microcontroller
This a 3-D view of the PIC Microcontroller. This is the "brain box of the entire VEX robot. All motors plug in to the ports on top. The power pack and the receiver plugs into the ports show on the front. Orthographics are shown below.
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Bill of Materials
Supply List | ||||
Item | Description | QTY | Size | Remarks |
1 | balloon | 8 | 1.5"x2.25"x1.25" | protects motors and servos from water damage |
2 | super glue | 1 | Tube | seal the balloon |
Tools and Equipment List
Item | Description | Use |
1 | Allan Key | attach the screws to hold the motor or servo into place |
Materials list
1 | PIC Microcontroller | 1 | 4.5"x3.9"x1.1" | receives the commands from the remote controller |
2 | 7.2 V Power Pack | 1 | 1.2"x1.7"x2" | delivers power to the microcontroller |
3 | Remote Controller | 1 | 8"x8"x2.5" | Controls the VEX robot |
4 | Screws | 462 | 8-32x1/4" | holds everything into place |
Parts List
Item | Description | QTY | Size | Remarks |
1 | 2-wire motor | 5 | 1.5"x2.25"x1.25" | move the parts of the robot with unlimited rotation |
2 | Servo Modules | 4 | 1.5"x2.25"x1.25" | move the parts of the robot with restricted rotation |
3 | motor controller 29 | 4 | 1.25"x.75"x.25" | acts as an extension cord |
4 | Transmitter Unit | 1 | receives the signals transmitted from the controller |
Plan of Procedures
The plan of procedures for the electrical engineer begins while the plan of procedures for the mechanical engineer is being completed.
1. Attach the PIC Microcontroller to the center of the structural hull with a screw at each corner.
2. Attach the receiver module to the left of the PIC Microcontroller with a screw in each corner.
3. Connect the receiver module and the PIC Microcontroller by plugging in the receiver module’s wire into the port labeled “R1.”
4. Connect the power pack into the appropriate port on the PIC Microcontroller.
5. Attach a servo to the inside, forward, starboard side of the hull with two screws in order to attach to the mechanical arm.
6. Connect the servo wire to the motor port on the PIC Microcontroller.
7. Attach a motor to the port, aft, projection of structure and connect it to the shaft. This shaft connects to the claw.
8. Connect the motor to the 29-motor controller and connect that to the PIC Microcontroller.
9. Connect a servo to the claw.
10. Connect the servo wire to the servo extension wires.
11. Connect the end of the servo extension wire to the PIC Microcontroller.
12. Connect a motor to each side of the aft end of the hull with two screws each.
13. Attach the shafts to the propellers to these motors.
14. Connect the wires of the motors to the 29 motor controllers.
15. Connect the 29 motor controller wires to the PIC Microcontroller.
16. Charge the battery to the remote controller and the power pack.
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