[Armilar] wanted to cheer up his friend who was going through a rough spot at the time — she really likes Dieselpunk, so he decided to improvise a Dieselpunk themed photo shoot for her. We’re assuming they had other costumes and props, but [Armilar] had this idea to make a nixie tube pendant for a while, he’d just have to expedite the build process to have it ready!
What he managed to whip up the day of the shoot looks amazing considering the time involved, if not just a little bit ill-advised. There may or may not be 200VAC running around his friend’s neck.
He’s using an electroluminescent driver rated for 5VDC to 100VAC, over-powered to 12VDC, resulting in about 200VAC, which is just enough to make the nixie glow a nice warm orange. In an effort to minimize the size of the pendant, he had to keep the battery and driver hanging off the back of the necklace.
It was a bit unsafe, but the shoot went off without a hitch thankfully. Fast forward a few months and [Armilar] decided to try redesigning it so it could actually be worn on a regular basis, without fear of electrocution.
He discovered that you can use a flash bulb transformer at about a 50% duty cycle to reduce the audible whine it gives off. The one he found was smaller than his fingernail, meaning he could also design it right into the pendant. His new pendant (while not completely finished yet) now only has 3.5V running around his neck.
200VAC wouldn’t hurt that much… would it?