Uploaded by thegeekgroup on Dec 25, 2011
Merry Christmas from The Geek Group!
Hallelujah Chorus
Rendered in four part harmony from a single solid state Tesla coil. All the sound heard is being generated from the electrical arc. A small ion motor, shaped like a Christmas Tree, is riding on top of the coil.
This Solid State Tesla Coil (SSTC) was produced by Steve Ward and provided to The Geek Group some years ago. Recently it's been used as a test bed for improving multi-voice music reproduction from a single coil. The schematic for Steve's original SSTC can be found here:
http://stevehv.4hv.org/SSTC5/miniSSTCfnlsch.JPG
We've replaced the 555 interrupter circuit with an optically coupled Arduino Uno. The music being played is transcribed by hand from public domain sheet music. The Uno is equipped with a uSD shield and the music is stored on a uSD card. (The optocoupler is mounted on the uSD shield's prototyping area) The notes to be played are read from the uSD card and the waveform is constructed by the software in real time.
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@reesk92 lol. we might truly enjoy letting people explore the wilder side of sciences, but there is in fact still things in the lab that i wont touch myself without supervision. Safety is king at the end of the day,
maglinjosvinn 1 month ago
@maglinjosvinn probably everything up to before the point where you can kill yourself lol
reesk92 1 month ago
Tesla just came
undergroundassault 2 months ago
@rwg42985 become a member and get on the forums. aspects of this build will be made availalbe on the forums, though i'm personally not sure how much of them.
maglinjosvinn 2 months ago
I flagged this ascendent... Sorry!!!
Where can I find this schematic for the interrupter? And is there more info on how the UNO is working with This set up?
rwg42985 2 months ago
2nd XD
Crashtheelf 2 months ago
I like the giant LED.
Vim281 2 months ago
Omg so cool
mjcmjc1 2 months ago