[sdiy] 3 dollar lopass gate

[Quincas Moreira]

cool, have at it!
Never tried with optocouplers, but give it a try and tell us how it went!
Cheers
Q

Sent from my iPad

> On Mar 13, 2017, at 6:27 AM, Jacob Watters <jacobwatters at gmail.com> wrote:
> 
> Great video. I want to make one of these for myself now.
> 
> Has anyone every tried to make one with the H11F1 optocoupler?
> 
> 
> Jacob Watters
> 
> 
>> On Sun, Mar 12, 2017 at 5:50 PM, <rsdio at audiobanshee.com> wrote:
>> Hmm, except that a bunch of 4066 chips would cost less than 4 cents per note switch - I don't see how you can hand-make LED+LDR gates for that cheap. You'd also get more bleed with the LDR, I expect. No, it's not all about cost, but time and labor, too.
>> 
>> Brian
>> 
>> 
>> On Mar 11, 2017, at 11:48 PM, Elain Klopke <functionofform at gmail.com> wrote:
>> > So it just hit me that this would be an interesting and cheapish way to do the keying of all the notes on my paraphonic synth project instead of a bunch of 4066s.
>> >
>> > of course, after I placed the order, my brain did one of those old Master Card commercials...
>> >
>> > bag of LDRs on eBay: $12
>> > bag of LEDs on MPJA: $8
>> > 16 feet of heatshrink tubing: $4
>> > realising you just signed up to burn your fingers 400 times: Priceless.
>> 
>> 
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