The best way I found for my light up eyes and cooling fans.
I used a 12 volt power source. Ran a wire from it to a switch from the switch to a usb set of fans from a laptop cooler that I bought for 5 bucks online. Also in parallel I ran a wire to the the eyes.
For the eyes I used two sets of LED lights ran with resistors in series. 4 LED per set of resistors. The LED and resistors were ran in series and then hooked in parallel with the other set. I found the rating and value of resistance needed from a website that does the calculations for you.
Once I had all this in place it was just a matter of soldering all the connections together and taping it all up. This wire harness was laid in while installing the eyes and fans. I found it best to secure all the wiring and switches with tape instead of trying to figure out a way to screw them to the globe.
Once all that was installed I filled the globe with some packing foam I had found along the way.
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