Instructables: exploring - technology - high - speaker - flyback http://www.instructables.com Sat, 22 Nov 2014 03:43:51 PST BLOX v1.01 Some of my plasma speakers http://www.instructables.com/id/555-timer-based-plasma-speaker/ http://cdn.instructables.com/FT8/PT1I/GYW6GNYR/FT8PT1IGYW6GNYR.SQUARE2.jpg http://cdn.instructables.com/FT8/PT1I/GYW6GNYR/FT8PT1IGYW6GNYR.SQUARE.jpg http://cdn.instructables.com/FT8/PT1I/GYW6GNYR/FT8PT1IGYW6GNYR.SMALL.jpg Alex1M6 Plasma speaker using a flyback transformer. It uses an SG3525 chip to switch two MOSFET's in a half-bridge fashion. You can make one using a simple 555 timer circuit here http://www.instructables.com/id/Audio-modulated-flyback-transformer-driver/
By: Alex1M6

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Thu, 15 Sep 2011 20:57:41 PDT
Flyback plasma speaker with 555 http://www.instructables.com/id/Flyback-plasma-speaker-with-555/
Flyback plasma speaker with 555 - More DIY How To Projects]]> http://cdn.instructables.com/FOI/K6II/GOOP5G01/FOIK6IIGOOP5G01.SQUARE2.jpg http://cdn.instructables.com/FOI/K6II/GOOP5G01/FOIK6IIGOOP5G01.SQUARE.jpg http://cdn.instructables.com/FOI/K6II/GOOP5G01/FOIK6IIGOOP5G01.SMALL.jpg Glenn781 so i thought i would set out to make a plasma speaker! SO one chip i know well is a LM555 so this is my base! one pin most often skiped on this chip is pin5 it s the voltage control oscillator. all that is needed is an audio signal to this pin to get pwm                                   This Is ...
By: Glenn781

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Thu, 9 Jun 2011 17:03:43 PDT
The Plasma Speaker http://www.instructables.com/id/Build-A-Plasma-Speaker/
The Plasma Speaker - More DIY How To Projects]]> http://cdn.instructables.com/F4Z/1L83/FMMCVKR2/F4Z1L83FMMCVKR2.SQUARE2.jpg http://cdn.instructables.com/F4Z/1L83/FMMCVKR2/F4Z1L83FMMCVKR2.SQUARE.jpg http://cdn.instructables.com/F4Z/1L83/FMMCVKR2/F4Z1L83FMMCVKR2.SMALL.jpg Plasmana Are you tired of those old black speakers that only just make sounds? Maybe sound reactive lights are just not enough to impress you? How about a Plasma Speaker? A plasma speaker is a device that generates an high voltage electrical arc that makes purple light and music! Without any speakers or any...
By: Plasmana

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Wed, 5 Nov 2008 02:31:47 PST