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4hv.org :: Forums :: Tesla Coils
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Tesla Coil Project Help?!

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currentkills91
Wed Sept 14 2011, 08:18PM
currentkills91 Registered Member #3831 Joined: Thu Apr 14 2011, 02:54PM
Location:
Posts: 265
I finished the primary, secondary, and topload...I'm gonna start a new thread in projects for it (: I still need to figure out a way to make it play music though...From now on I'm gonna just focus on getting it to play music, and then I'll move to having the audio source built in.
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lightlinked
Thu Sept 15 2011, 09:11AM
lightlinked Registered Member #2087 Joined: Tue Apr 21 2009, 08:32AM
Location:
Posts: 115
you could use music tracker or sequencing software to make your melody as a square wave using a pwm oscillator which should be available as an analog modeling synth or you could build one in puredata or max msp. "Record" it as an mp3, more like render since its a computer, Then, if your mp3 player is dc coupled and will put out a real-ish square wave, the headphone out probably has enough to directly drive an opto-isolator. You could also use a sine or any other waveform with a comparator as long as your duty cycle isnt too long.
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currentkills91
Thu Sept 15 2011, 05:33PM
currentkills91 Registered Member #3831 Joined: Thu Apr 14 2011, 02:54PM
Location:
Posts: 265
Okay, so if I understand what your saying, I could basically play the music directly into an op-amp, and output it directly into my interrupter?? My interrupter is a TL494 running at about 180kHz with adjustable duty cycle.

EDIT: I found this circuit today - Audio Modulator , think it'll work for my application? It's basically what lightlinked was talking about.
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