TUTORIALS Robotics 
Part II
Part III
Part IV
Project by ASCAS
Today, I'm going to teach you how to build a working, life-sized, phone-controlled Starwars BB-8 droid! In this tutorial, we are only going to use household materials and a little Arduino circuitry.
Why Household Materials?
Due to the limitation of materials, I resorted in using the materials around me. (deodorant roll-ons as ball bearings, canvas as fiberglass, Christmas balls as the eye & etc.. ). A lot of people could relate to this. My approach on building the project doesn't require 3D printers, CNCs or Milling Machines!
The full video tutorial is finally out! (MUST WATCH!)
Step 1: Reverse Engineering BB8's Design
Here's the list of materials needed for the project! You can click on the link if you prefer to buy online.
____________________________
Robotics & Electronics:
- Arduino Uno
- Pololu Dual VNH5019 Motor Shield
- 2x Pololu (19:1) 37D Metal Gearbox
- HC05 Bluetooth Module
- 4 Cell Lithium Battery Pack (2x)
- Switch, DC Jack, Wires, Solder
BB8's Body:
- Inflatable Beach Ball (Diameter: 50cm)
- Old Newspaper
- Plain Canvas Cloth
- 2 Bottles of PVA Glue (a.k.a Elmer's Glue)
- 1 Bottle of Woodglue
- White, Grey and Orange (Tangerine) Spray Paint
- Roll-on Deodorants
BB8's Head:
- Styrofoam Ball (Diameter: 300mm/ 12 inches)
- Christmas Ball (Size of BB8's Eye)
- WiFi Antenna (Prop Only)
- Cloths Hanger
- Roll-on Deodorants
- White, Grey and Orange (Tangerine) Spray Paint
MISC:
- Superglue
- Neodymium Magnets
The first time I saw (comicon-reel) and heard that they we're going to use a real BB8 robot for the Starwars movie, my initial reaction was; A ball? A ball than spins with a head that stays upright? What kind of sorcery is this?!?!?
Aside from being extremely cute, BB8 also has a very intriguing design and build. You just can't stop wondering how this droid works! It really took some advanced engineering and a creative mind to invent such a thing. The idea of how the mechanism works, greatly involves concepts of physics and electronics. It's all about maintaining the right center of gravity. The original BB8 design which was used form the movie, used a hamster wheel design. Basically, there's a two wheeleed robot rolling around inside a sphere. The head stays uprightdue to the presence of magnets.
How The Sphero Version Works: (by: Tested)
We will use PVA glue (Elmer's glue) as our paper binder/ hardener. Mix 2 part water to 1 part PVA glue.
Gather a bunch of old newspapers. Align them carefully and cut them using a cutter knife and a ruler.
Lay strips of newspaper on the surface of the beach ball and brush them with your mixture of glue. We're basically making a huge piñata. We're going to use the beach ball as our mold for the paper mache.
If you're in a hurry, use a blow dryer to speed up the drying process. Or maybe point an electric fan to the paper mache and leave it to dry overnight.
The store, where I buy fiber glass, ran out of supplies. I used plain canvas instead of the fiber glass. The canvas hardens really well and works as a good paper mache. (cloth mache)
It was raining cats and dogs when I reached this step. I took my paper mache indoors and used a fan to try it overnight.
After the canvas mache dries, you may notice there are overlapping sheets of canvas. You can simply plane it off using a sharp cutter blade. Smoother surface = smoother ride!
Let's begin the smoothening process! Get a can of wood putty and carefully apply it on the outer surface of BB8's body. Use an metal applicator to do the job. The putty fills in the gaps. Any excess putty will be removed after the sanding process.
Next steps? Stay tuned and coming in the next blog post!
DIY Life-Size Phone Controlled BB8 Droid (Part I)
DFRobot
Feb 03 2016 989
Part II
Part III
Part IV
Project by ASCAS
Today, I'm going to teach you how to build a working, life-sized, phone-controlled Starwars BB-8 droid! In this tutorial, we are only going to use household materials and a little Arduino circuitry.
Why Household Materials?
Due to the limitation of materials, I resorted in using the materials around me. (deodorant roll-ons as ball bearings, canvas as fiberglass, Christmas balls as the eye & etc.. ). A lot of people could relate to this. My approach on building the project doesn't require 3D printers, CNCs or Milling Machines!
The full video tutorial is finally out! (MUST WATCH!)
Step 1: Reverse Engineering BB8's Design
Step 2: Gather The Parts And Materials
Here's the list of materials needed for the project! You can click on the link if you prefer to buy online.
____________________________
Robotics & Electronics:
- Arduino Uno
- Pololu Dual VNH5019 Motor Shield
- 2x Pololu (19:1) 37D Metal Gearbox
- HC05 Bluetooth Module
- 4 Cell Lithium Battery Pack (2x)
- Switch, DC Jack, Wires, Solder
BB8's Body:
- Inflatable Beach Ball (Diameter: 50cm)
- Old Newspaper
- Plain Canvas Cloth
- 2 Bottles of PVA Glue (a.k.a Elmer's Glue)
- 1 Bottle of Woodglue
- White, Grey and Orange (Tangerine) Spray Paint
- Roll-on Deodorants
BB8's Head:
- Styrofoam Ball (Diameter: 300mm/ 12 inches)
- Christmas Ball (Size of BB8's Eye)
- WiFi Antenna (Prop Only)
- Cloths Hanger
- Roll-on Deodorants
- White, Grey and Orange (Tangerine) Spray Paint
MISC:
- Superglue
- Neodymium Magnets
Step 3: The Science Behind BB8's Magic!
The first time I saw (comicon-reel) and heard that they we're going to use a real BB8 robot for the Starwars movie, my initial reaction was; A ball? A ball than spins with a head that stays upright? What kind of sorcery is this?!?!?
Aside from being extremely cute, BB8 also has a very intriguing design and build. You just can't stop wondering how this droid works! It really took some advanced engineering and a creative mind to invent such a thing. The idea of how the mechanism works, greatly involves concepts of physics and electronics. It's all about maintaining the right center of gravity. The original BB8 design which was used form the movie, used a hamster wheel design. Basically, there's a two wheeleed robot rolling around inside a sphere. The head stays uprightdue to the presence of magnets.
How The Sphero Version Works: (by: Tested)
Step 4: Inflate The Beach ball
Pump enough air until you reach the maximum diameter of your beach ball (50cm).
Step 5: Prepare The PVA Glue Mixture
We will use PVA glue (Elmer's glue) as our paper binder/ hardener. Mix 2 part water to 1 part PVA glue.
Step 6: Prepare The Newspaper Strips
Gather a bunch of old newspapers. Align them carefully and cut them using a cutter knife and a ruler.
Step 7: Make The Paper Mache
Lay strips of newspaper on the surface of the beach ball and brush them with your mixture of glue. We're basically making a huge piñata. We're going to use the beach ball as our mold for the paper mache.
Step 8: Tip* - For Faster Drying
If you're in a hurry, use a blow dryer to speed up the drying process. Or maybe point an electric fan to the paper mache and leave it to dry overnight.
Step 9: Add A Layer of Canvas
The store, where I buy fiber glass, ran out of supplies. I used plain canvas instead of the fiber glass. The canvas hardens really well and works as a good paper mache. (cloth mache)
Step 10: Let It Dry
It was raining cats and dogs when I reached this step. I took my paper mache indoors and used a fan to try it overnight.
Step 11: Smoothen The Surface
After the canvas mache dries, you may notice there are overlapping sheets of canvas. You can simply plane it off using a sharp cutter blade. Smoother surface = smoother ride!
Step 12: Apply Wood Putty To BB8's Body
Let's begin the smoothening process! Get a can of wood putty and carefully apply it on the outer surface of BB8's body. Use an metal applicator to do the job. The putty fills in the gaps. Any excess putty will be removed after the sanding process.
Next steps? Stay tuned and coming in the next blog post!
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