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30 Oct 2011

SubBass100 writes:

This year I wanted to try something a little different then my usual mash-up costumes. I decided to go big or go home and what better way to make something big then to inflate it. So this year I am going to convert a 8’.5” foot tall 7’ wide Stay Puft Marshmallow Man Inflatable Lawn Decoration into a portable / wearable costume.

The first step I would need to do is check to see if the fan motor will work on a portable DC power source. I was a little bit saddened when I read the sticker on the power supply. It read output voltage 12vac. If it was a synchronous motor the whole project would be canned but it turns out that when I hooked up a 12vdc power source the fan turned on and worked as it normally would. So I am guessing that either the label was printed incorrectly or the LED’s inside some how were part of an H-bridge to convert AC to DC.

Wearable Inflatable Lawn Decoration Costume - [Link]

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