Introduction: Motorized Evil Shield

In this Instructable You'll learn how to build a Motorized Villain Shield so we can join forces against The Super Heroes and take over the world.

This is a Motorized Shield made out of cardboard 1/8" thick, and controlled by a large continuous rotation servo motor. The circuit is a servo motor driver/tester powered by (4) AA Batteries.

I wanted to make something different and unique, and I thought that a motorized shield was the perfect project to participate in different contests.

If I win the 3-D machine I will design all the parts for this shield and make it more sturdy. I also have a lot of projects designs, one of them is and add on tow truck hinge that will be controlled via wireless with any RC car Controller. Do not forget to vote.

Are you ready to go back in time when you were a kid and dreamed of been a super hero, with special powers and amazing gadgets. Or are you a kid that is ready to build your first Villain gadget? well lets do it.

Step 1: Material List


  1. 1/8" Presentation card Board.
  2. Packaging Tape (clear)
  3. 36" x 1/2" to 3/4" Ribbon (any color)
  4. Metal tie wire-18" Long
  5. Color Duct Tape (I used black Duct tape)
  6. Ninja Skull Design
  7. 2" PVC coupling
  8. 2" PVC end cap
  9. Large Continuous Rotation Servo Motor
  10. Prototype PCB
  11. 555 IC Timer
  12. 5- 1/2 Watt resistor: 68k, 10k, 33k, 4.7k and 1k Ohms.
  13. 2- Ceramic Capacitor: 100nF and 10nF.
  14. 1- BC547 NPN Transistor
  15. 3-pin Male Header
  16. 2-Push Button Switch (NO)
  17. 4- AA Batteries
  18. 4-AA Batteries Holder with Switch
  19. Servo Driver Schematic
  20. Coffee or juice.

Step 2: Making the Shield

First lets start by laying flat the cardboard on the floor and draw a circle. (size is up to you) My shield is 32" in diameter. See pix 1. Now draw 8 equal sections in the circle. See pix 2. Then grab the 2" PVC coupling, place it in the center of the shield and trace it out. see pix 3. then draw another circle 3/4" outside your center circle. see pix 4 and 5.

Second step, cut out the center circle first and then cut out 1 sections of the shield and around the outside line of the center circle ( see pix 6 and 7) this will be your template for the other 7 that you'll need for the shield. See pix 8. Now test each section by sliding them onto the PVC coupling. NOTE: Make sure there is no friction and all pieces spin freely on the PVC. See pix 9.

Step 3: Putting It All Together

Grab one piece of the shield and place it on the PVC coupling, tape it so is flash to one end of the PVC. See pix 1. Now grab the metal tie wire and cut at about 12" long piece. Bend it in half so you'll end up with a 6" piece.(you need two pieces). This needs to be sturdy because it will keep all the shield pieces together. See pix 2, 3. Place one of the tie wire piece half way of the shield piece at about 1" away from the edge. wrap it around so only 1 1/2" is sticking out and bend it down. see pix 4 and 5.

This is a fixed piece, it will rotate with the PVC coupling and at the same time pulling the rest of the shield pieces out to create the shield.

Now place 6 of the shield pieces on the PVC coupling. see pix 3. Now the last shield piece is also a fixed piece. First place the metal tie wire half way of the shield piece at about 1" away from the edge. wrap it around so only 1 1/2" is sticking out and bend it down. see pix 4 and 5. Once you have all the pieces assembled together and everything looks good, now is the time to paint or use color duct tape.

Open up the shield and flip it over, over lap each section at about 1/2" of each other. Cut small sections of the ribbon and place them so there are no wrinkles and flat on the boards. See pix 6 and 7.

Step 4: Motor and Electronics

Now take the servo motor's big round adapter an place it on 2" end cap, mark 3 holes and drill them through. See pix 1, 2, and 3. Using the screws that come with servo motor, mount the 2" end cap on the servo motor. See pix 4 and 5.

Now place the servo motor on the PVC coupling and make sure it fits tight. See pix 6,7, 8 and 9. Notice that in this three pictures I used a copper wire to hold all the pieces from sliding out of place.

Hold the servo motor to the board using 6/32 bolts and nuts. See pix 6 and 7.

Now take a look at the schematic picture 10, this is a servo motor tester circuit. This circuit works better for the continuous rotation servo motor than a standard one. Put the circuit together on a prototype board. Once the circuit board is assembled place it on the board and add a piece of Velcro to hold the shield. and one for the circuit and batteries. See pix 11, 12, 13 and 14.

And that's that. Place a skull picture in the center and lights, sound, etc.

Now go out there and fight those lousy super heroes and show them who's the new sheriff in

"Down Town Instructables" .

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