Musical and flashing lights water fountain
in [Design]
|
Prev: SCHOLARLY TESTIMONIAL VIDEO : Joseph Moshe (MOSSAD Microbiologist) Swine flu vaccine 1
Next: Ideas for inexpensive True-RMS Metering?
From: effie on 3 Jul 2010 04:48 Hey I am trying to make a dancing water fountain (meaning a water fountain that moves according to the music) and also that lights up (eg leds) according to the music. Anyone can help me please? Any circuits or ideas will be appreciated -------------- Regards, effie ##-----------------------------------------------## Delivered via http://www.electrondepot.com/ Electronics Enthusiasts' Community of the Net Web and RSS access to your favorite newsgroup - sci.electronics.design - 395917 messages and counting! ##-----------------------------------------------##
From: Jan Panteltje on 3 Jul 2010 07:04 On a sunny day (Sat, 03 Jul 2010 08:48:45 +0000) it happened eff_ste_at_yahoo_dot_com(a)foo.com (effie) wrote in <5b35f$4c2ef96d$43de0cc0$24683(a)news.flashnewsgroups.com>: >Hey > >I am trying to make a dancing water fountain (meaning a water fountain >that moves >according to the music) and also that lights up (eg leds) according to the >music. >Anyone can help me please? Any circuits or ideas will be appreciated > > >-------------- >Regards, > >effie As far a colored LEDs on music, see my website: The hardware (just a snapshot, new versions are in work, at least on paper): http://panteltje.com/panteltje/pic/ethernet_color_pic/index.html The software (Linux): http://panteltje.com/panteltje/xpequ/index.html More hardware and software (Linux) for LEDs: http://panteltje.com/panteltje/pic/col_pic/index.html
From: andy baxter on 3 Jul 2010 08:02 On Sat, 03 Jul 2010 08:48:45 +0000, effie wrote: > Hey > > I am trying to make a dancing water fountain (meaning a water fountain > that moves > according to the music) and also that lights up (eg leds) according to > the music. > Anyone can help me please? Any circuits or ideas will be appreciated > For the LEDs, I had an idea a while back which I haven't got round to of putting some music through 3 filters - a low pass, high pass, and midrange band pass, then measuring the amplitudes on each channel and using them to control the red, blue and green intensities of a tricolour LED. If you wanted to be really clever you could store the results in a delay buffer and shift it every 0.2-0.5 sec, and use this to drive a line of tricolour LEDs. andy -- (remove 'null' to email me)
From: Spehro Pefhany on 3 Jul 2010 08:29 On Sat, 03 Jul 2010 07:02:29 -0500, the renowned andy baxter <news(a)earthsong.null.free-online.co.uk> wrote: >On Sat, 03 Jul 2010 08:48:45 +0000, effie wrote: > >> Hey >> >> I am trying to make a dancing water fountain (meaning a water fountain >> that moves >> according to the music) and also that lights up (eg leds) according to >> the music. >> Anyone can help me please? Any circuits or ideas will be appreciated >> > >For the LEDs, I had an idea a while back which I haven't got round to of >putting some music through 3 filters - a low pass, high pass, and >midrange band pass, then measuring the amplitudes on each channel and >using them to control the red, blue and green intensities of a tricolour >LED. >andy This idea was around more than 40 years ago. They called it a "Color Organ". > If you wanted to be really clever you could store the results in a >delay buffer and shift it every 0.2-0.5 sec, and use this to drive a line >of tricolour LEDs. Linear time is kind of boring and not very artistic. There might be better ways. Best regards, Spehro Pefhany -- "it's the network..." "The Journey is the reward" speff(a)interlog.com Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com
From: andy baxter on 3 Jul 2010 09:20
On Sat, 03 Jul 2010 08:29:59 -0400, Spehro Pefhany wrote: > On Sat, 03 Jul 2010 07:02:29 -0500, the renowned andy baxter > <news(a)earthsong.null.free-online.co.uk> wrote: > > This idea was around more than 40 years ago. They called it a "Color > Organ". OK - I remember seeing those things in discos but I didn't know that's how they worked. > >> If you wanted to be really clever you could store the results in a >>delay buffer and shift it every 0.2-0.5 sec, and use this to drive a >>line of tricolour LEDs. > > Linear time is kind of boring and not very artistic. There might be > better ways. > > Another way if you had the cpu speed would be to make the line of LEDs follow a wave equation with different wave speeds for different channels. The effect would be similar but maybe a bit more interesting to look at. -- (remove 'null' to email me) |