The TLC5940 or TLC5941 PWM ICs have 16 channels of 12-bit resolution, and can be daisychained for more channels. They are supported by a library for Arduino. Although they are usually used for LEDs they also work for servos or general PWM.
Martin On Sun, Jan 24, 2016 at 5:09 AM, Simon Iten <[email protected]> wrote: > yeah it is. but be aware (once more) that one very high pwm frequencies > you will loose some resolution. > > On 24 Jan 2016, at 01:11, Christof Ressi <[email protected]> wrote: > > > > Thanks for pointing me to that! Turns out to be really easy: > http://playground.arduino.cc/Code/PwmFrequency > > > > > > > > > >> Gesendet: Samstag, 23. Januar 2016 um 12:34 Uhr > >> Von: "Simon Iten" <[email protected]> > >> An: "Christof Ressi" <[email protected]> > >> Cc: Alex <[email protected]>, "Ricky Graham" < > [email protected]>, "[email protected]" <[email protected]> > >> Betreff: Re: [PD] converting incoming audio/voltages into CV for > Eurorack modules > >> > >> are you aware that you can increase the pwm frequency considerably? > still less for 9 10 11 but far higher then by default for all pwm pins. > >> > >> > >>> On 23 Jan 2016, at 12:09, Christof Ressi <[email protected]> > wrote: > >>> > >>> I'm right now controlling an analog synth via Pd :-). I'm just using > an arduino - works well. It depends how many CV sources you wanna have, > though. Generating trigger signals (e.g. for envelope generators) is really > easy because you can directly use the digital outs. CV for modulation is a > bit more tricky because you have to smooth the PWM outputs of the arduino > with low pass filters. I found that using two RC circuits in series (with C > = 1 microFarad and R = 3,3 kOhm) works decently for pins 5 and 6 on the > Arduino Uno (pins 9, 10, 11 have a lower PWM frequency and therefore might > need a lower cutoff frequency). I'm thinking about trying out some > multichannel DACs with 10 or 12 bit because PWM on the arduino is only 8 > bit. DACs also operate at a much higher frequency so smoothing would be > much easier. > >>> > >>> > >>> > >>> Gesendet: Freitag, 22. Januar 2016 um 22:24 Uhr > >>> Von: Alex <[email protected]> > >>> An: "Joe White" <[email protected]> > >>> Cc: "[email protected]" <[email protected]>, "Ricky Graham" < > [email protected]> > >>> Betreff: Re: [PD] converting incoming audio/voltages into CV for > Eurorack modules > >>> > >>> Ahh cool, yeah, I saw that page but only quickly scanned and found no > info where to get the hardware, the place it links to has this at the top > of the page: > >>> > >>> "Update 25 November 2014: software link below; stay tuned for hardware > info" > >>> ha.. > >>> I just emailed Andrew directly. > >>> Thanks! > >>> > >>> On Fri, Jan 22, 2016 at 12:32 PM, Joe White <[email protected]> > wrote: > >>> Hey Alex, > >>> > >>> > https://code.soundsoftware.ac.uk/projects/beaglert[https://code.soundsoftware.ac.uk/projects/beaglert] > >>> > >>> I think they're working out a kickstarter campaign to be released soon! > >>> > >>> Cheers, > >>> Joe > >>> > >>> > >>> On 22 January 2016 at 18:07, Alex <[email protected][ > [email protected]]> wrote: > >>> > >>> Hey Ricky, > >>> I've done some major google searches and have yet to find where one > can get this Audio cape [bela?]. Can you point me to it? > >>> Thanks,Alex > >>> > >>> > >>> On Fri, Jan 22, 2016 at 8:58 AM, Ricky Graham < > [email protected][[email protected]]> wrote:I’m using > the Beagle Bone Black with Andrew McPherson’s Audio Cape + Martin Roth’s > “Heavy” (enzienaudio). > >>> > >>> Works great. > >>> > >>>> Message: 1 > >>>> Date: Fri, 22 Jan 2016 15:29:38 +0000 > >>>> From: "Pagano, Patrick" <[email protected][ > [email protected]]> > >>>> To: "[email protected][[email protected]]" <[email protected] > [[email protected]]> > >>>> Subject: [PD] converting incoming audio/voltages into CV for Eurorack > >>>> modules > >>>> Message-ID: <[email protected][ > [email protected]]> > >>>> Content-Type: text/plain; charset="iso-8859-1" > >>>> > >>>> I would like to hear how people may be converting incoming audio into > Control Voltage for eurorack use. > >>>> > >>>> This year i indulged in building a eurorack synthesizer and i would > like to start using some interesting libraries i have found in pure data to > control my synthesizer but i want to do it elegantly. > >>>> > >>>> > >>>> For example: I am trying to make a Fractal CV generator with pure > data. I am using Ben Bogarts "Chaos" libraries and i am hoping for some > ideas on how to convert the streams of data into usable CV outside the box, > >>>> > >>>> > >>>> > >>>> > >>>> Patrick Pagano B.S, M.F.A > >>>> Audio and Projection Design Faculty > >>>> Digital Worlds Institute > >>>> University of Florida, USA > >>>> (352)294-2020 > >>> > >>> > >>> _______________________________________________ > >>> [email protected][[email protected]] mailing list > >>> UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list[http://lists.puredata.info/listinfo/pd-list] > >>> _______________________________________________ > >>> [email protected][[email protected]] mailing list > >>> UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list[http://lists.puredata.info/listinfo/pd-list] > >>> _______________________________________________ [email protected] > mailing list UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list[http://lists.puredata.info/listinfo/pd-list] > >>> > >>> _______________________________________________ > >>> [email protected] mailing list > >>> UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list > >> > >> > > > _______________________________________________ > [email protected] mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list >
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