Okay, so you have built the spine, built the controller, connected the two, you're almost done! Now we must program the servo to wag on its own. I have used the generic "Sweep" sketch from the Arduino website and slightly altered it to work with the continuous rotation servo. As you can see, it runs in a loop back and forth, just like the wagging of a tail, right? Go ahead and upload this sketch into the Arduino Uno board, making sure you have downloaded the servo library as well from the Arduino website (http://www.arduino.cc/playground/ComponentLib/Servo) :
int pos = 0;
for(pos = 0; pos < 180; pos += 1)
for(pos = 100; pos>=1; pos-= 1)
Uploaded? Great! Now take some of your hook-up wire and connect one set of ends to the output wires of the servo and the other ends to the Arduino. Make sure that the wire connecting the black wire of the servo goes to the Ground pin of the Arduino, wire to the red servo wire to the 5V pin, and wire to the white servo wire to Digital Pin 9. Plug in your Arduino to the computer after hooking everything up and your tail should start moving on its own! Now all that is left is for you to give that tail a realistic look so grab your sewing kit!
First though, take your pantyhose leggings and cut the leggings off. Put one legging over the tail and the second one over that. Now we can put some fur on that tail. I sewed a simple tube while it was inside out then turned it right side out. Pull your tail through your fur tube and sew it secure on the top over the servo housing. You want to make sure that the tube is not too tight as that will impede the movement of your tail. You did it! You made your very own animatronic wolf tail. Now just cover the tail with the fur of your chosing and wala: you got yourself one beautiful realistic wolf tail! One last last step, get a belt, thread it through your tail's belt loop, put on the belt, and go show off your inner wolf!
A note of caution: be mindful of your surroundings, your tail has the power to break something or hurt someone so please, be careful. I am not responsible for your breaking of something priceless. Have fun! "Oooooooooooowwwwwwwwhhhhhhhhh!"
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