Tesla Model S handle dispenses beer; hides when done

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Let’s face it, sometimes you need to take time out from engineering cutting-edge electric vehicles to over-engineer a beer fridge. And to tell you the truth, after seeing what [Matt Brown] managed to pull off we now have a gut-felt yearning for one of our own. He took a beer fridge and added a vanishing dispenser handle from a Tesla Model S.

You might be thinking that this an expensive part, and you’ve be more correct than you realize. It’s not even a stock part. This is a prototype that someone threw in the trash. [Matt] plucked it from oblivion and milled a spot for it in the door of the fridge. Your average [Joe] probably doesn’t know that the Model S comes with handles that pull themselves flush with the body of the vehicle.

[Matt] dug out insulation on the inside of the door until there was room to cut a hole for the handle. The clamped the assembly in place and used spray foam to re-insulate as well as glue it in place. An Arduino monitors the area below the tap. When you put your glass under the spout the handle extends. When you pull on it a solenoid drives the tap handle forward. This sounds pretty dry, but we think the demo after the break will have you lusting after one as well.

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[Staci Elaan]’s awesome portable tesla coils.

We stumbled onto [Staci’s] videos a while ago when we posted this big tesla gun. While it wasn’t the first portable coil we had seen, it was certainly an impressive implementation. In the comments we found [Staci] had already been making these for a while. Hers were big and small, had awesome modulation, and looked freaking cool too.

It also should be pointed out that [Staci] donates her coils to people when she’s done! Let me say that again, she gives them away to groups of people that could use them. That deserves some respect.

Unfortunately, [Staci] didn’t document her builds in great detail at the time. She has added some information recently though.   You can read about her first working prototype from 2006, or a slightly more modern one here.

Of course, the real fun is in seeing them work.

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Million volt guitar rocks the house…for science!

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[Bill Porter] and his friend [Dan Flisek] work together to put on a science-related educational stage show called “Science Brothers”, in which the pair try to convince school children that their field of expertise is the cooler science. While the two are competitive on stage, the main goal of the program is to get kids interested in science, no matter what the specialty.

The pair currently finance the project out of pocket, so they are always looking for ways to make things interesting while also keeping costs in check. With that in mind [Bill] came up with an awesome way to show off the Tesla coil he built a while back. His most recent educational creation is a little something he calls “Tesla Hero”.

Since he already had a solid state Tesla coil hanging around, he dug up a PS2 Guitar Hero controller and got busy getting the two acquainted. The guitar connects to the coil via a fiber optic isolator board, playing one of five notes as he strums along. A series of Arduino-driven LED strips adorn the guitar, flashing various colors while he plays, as you can see in the video below.

It’s quite a cool project, and we’re sure that his audience will be impressed!

Stick around to see a video of  Tesla Hero in action, and if you’re interested in learning more about the Science Brothers, be sure to check them out here.

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Musical Tesla concert is electrifying

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Hackaday reader [Tyler Laseter] wrote in to tell us about an event that he and his fellow Tesla Orchestra team members are hosting next month.

The “Open Spark Project” is a concert event taking place on May 14th, which melds together electricity and music in spectacular fashion. The event features two large Tesla coils which are tuned to play musical notes while shooting bolts of electricity through the air.

Musical Tesla coils are nothing new around here, but we have yet to see someone allow the general public to play music on their coils. That’s what makes this event unique – anyone is encouraged to submit their to the Tesla Orchestra team, which will then be played back via a live video stream next month. Their web site offers up all of the technical details as well as the file format requirements for submitting music for the event, so get started on your entry today!

If a passive approach is more your style, stick around for a quick video demonstrating their coils’ abilities. Sure it’s Lady Gaga, but we won’t tell anyone you watched it. Plus, it’s totally legit when the song is being played using 20,000 volts.

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The polyplasmic archophone

The polyplasmic archophone is a fresh approach to high voltage “arc music“. They are using  an Arduino clone to convert signals for the ignition coils. It is still unfinished, but the effect is decent. In the end it will have 2 tiers of voice coils for a total of 13. They are using different materials for the antenna so they can get different colors of sparks. You can see a video of it after the break and we must say the effect is quite nice. Change the lighting on that video and we could imagine this being the set to a [Joules Verne] movie.

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Adjustable Tesla coil build

This coil has no trouble shooting sparks across four meters of empty air. [Finn Hammer] has been putting in some long hours on this labor of love, and we put in some time reading through his progress thread. He started down this path about a year ago and every step of the way he produces beautiful work. We enjoy seeing his prototyping techniques, moving from concept to hand drawing to CAD diagram before starting the physical build. Check out the demo video after the break and as you read through his thread look for the green arrows that lead to other videos and resources.

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