[sdiy] rectangular scanner
obl64 at ix.netcom.com
Wed Apr 15 03:39:43 CEST 2020
Some years ago I did something similar using an LM3914 operating in
"dot" mode, with each LED output driving a preset pot.
On 4/14/20 7:20 PM, ulfur hansson wrote:
> hello list,
> always been very intrigued by scanner mechanisms - david dixons
> scanners are works of art, and i built a haible scanner many years ago
> that worked but it didn't have the same level of control as davids.
> very powerful stuff.
> however - right now i'm working on a dual oscillator board design, and
> i want to be able to set the offset of oscillator 2 in certain pitched
> increments - if I could say, "drive" 4066's or a fancy max chip to
> switch between carefully trimmed voltages with a scanner, wouldn't
> this application call for some sort of "rectangular" scanner?
> ideally, something which can go "high" on any given number of outputs
> depending on the incoming control voltage, no slopes or crossfading -
> just ons and offs for each incremental output depending on the control
> any help would be greatly appreciated, this quarantine is well spent
> learning new tricks in synthdiy!
> hope you all are well,
> ulfurhansson.com <http://ulfurhansson.com/>
> cargocollective.com/ulfur <http://cargocollective.com/ulfur>
> instagram.com/ulfur_ <http://instagram.com/ulfur_>
> .•°~ Úlfur - Arborescence on Spotify
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