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This is a 3d printed motorized halloween ring. A LED in the mouth rotates while the eyes glow. Parts: Jameco Part no. 2128219 Motor 3 ...
Print the hollow back shell.
Print the face. Note the depression in the back of the face for the motor.
Print the ring/holder.
Print the battery holder and push it onto the motor shaft.
Glue (superglue) the ring to the hollow shell. Leave space for the tape that will join the halves together.
Attach a small led to the 2016 battery using the metal tape.
Solder wire wrap wires to the motor terminals.
Tape the led/battery assembly to the motor assembly. The led is on, so battery drain has begun.
Place the motor/led assembly into the face.
Secure the motor assembly with tape.
Insert a led through one of the eye holes.
Bend the short lead from the led (negative from the battery will go here).
Do the same with the other eye.
Connect the positive (long lead) of the led's together.
Attach a wire wrap wire to the led (I used blue for negative, red for positive).
Put tape over the negative led leads and connect all the blue wires together.
Connect a red wire to the red (long lead) wires on the led's.
Place the 2032 battery in plastic.
Tape the red wire to the positive side of the battery--blue to the negative. Secure the assembly in the plastic bag.
Push the plastic bag into the hollow shell--where it doesn't impede the movement of the mouth led. Tape the halves together.
Now you have a motorized lighted ring. This will run for about two hours--but the led's on the eyes will go out in about 15 minutes. I would suggest...
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