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2-WHEELED BOT

2-Wheeled Bot This is my redesign of a 2-wheeled bot similar to one presented at a 2-day teacher workshop at U PENN SEAS on August 15-16, 2011.

Materials • One LEGO Mindstorms Kit

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DIFFICULTY: BEGINNER


2-WHEELED BOT

1. Build the “Castoring Wheel” (Build the “Grocery Cart Wheel”)

Parts

Voilà!

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2-WHEELED BOT

2. Tether your motors. (“Yoke the Oxen”)

Parts

! ilà o V

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2-WHEELED BOT

3. Assemble the Back End

Parts

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2-WHEELED BOT

4. Attach the NXT Brick (Give it a brain.)

Parts

! ilĂ o V Do this step on both sides!

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2-WHEELED BOT

5. Add the angled grey pieces to the back. (Nothing clever here.) Parts

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2-WHEELED BOT

6. Add some tires. (Monster Truck Wheels!)

Parts

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2-WHEELED BOT

7. Build and attach the castering wheel mount.

Parts

Build these and site them aside while you complete the next few steps.

Attach the castering wheel you built back in Step 1.

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2-WHEELED BOT

This is how the pieces should line up. One of the connectors will fit into the long slot.

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2-WHEELED BOT

8. Build the Light Sensor Mount (This step may get a little tricky...)

Parts

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2-WHEELED BOT

Attach A.

Attach A.

Attach C.

Attach B. A

Insert the various connectors as seen here.

Then, lay pieces out like this.

A

It will simplify the next steps. Go in order.

D E

B

D

B

C

E

C

Attach A.

Attach B.

Attach C.

Attach D.

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You can use the photos to see how to line pieces up as you attach them.

DIFFICULTY: BEGINNER


2-WHEELED BOT

Attach E.

Attach B.

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9. Attach the light sensor mount. Parts

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2-WHEELED BOT

10. Attach your motor cables and sensor cables and take her for a test drive. (Hint: Don’t forget. You may need to run your motors in reverse to get her drive “forward”.)

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This is not my favorite simple bot, but it has some nice features. I especially like the light sensor mount as it gets the sensor close to the ground. Give it a try and see what you think! This is my first attempt at putting together a set of instructions for a model build. Please feel free to send me some feedback and let me know how they worked for you. sggc30@gmail.com www.clickbrick.wordpress.com

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DIFFICULTY: BEGINNER

2-Wheeled Bot Instructions  

A set of instructions for building a simple 2-wheeled robot using the LEGO Mindstorms kit.

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