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DIYstompboxes.com  |  DIY Stompboxes  |  Digital & DSP  |  Practical uses of Digital LFO's ? 0 Members and 1 Guest are viewing this topic. « previous next »
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WhenBoredomPeaks
Posts: 296


Practical uses of Digital LFO's ?
« on: May 14, 2009, 12:14:23 AM »

Hi guys!

This is my first post on the forums, so i wanna say Hi to all. Cheesy

My question:

I have a programmable microcontroller which can put out 0V-5V voltages.
Is there any nice circuit where i can use it?

I know that there are numerous uses of LFO-s with vactrols, optocoulers, and other voltage controlled, resistance changing "things" but i can't buy any of those parts.
Well actually i saw optocouplers here but they were in DIP8 format and i don't think that they are useful. Correct me if i am wrong.

I know that i could build one from a LED and a LDR but i have just ordered assloads of parts and they contain no LDR's. icon_confused

So is there any circuit where you can directly onnect your LFO with good results?
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alanlan
Posts: 531


Re: Practical uses of Digital LFO's ?
« Reply #1 on: May 20, 2009, 03:49:07 PM »

You could modulate a JFET with a scaled version of your 0-5V signal e.g. to do a basic tremolo modulation type of effect.  Just one example.
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soggybag
Posts: 1455

Mitchell H


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Re: Practical uses of Digital LFO's ?
« Reply #2 on: May 27, 2009, 08:29:07 PM »

I think you could definitely use a microcontroller on an 8 pin DIP in a stompbox. LFO would probably be the most useful place for it. Attach the output to an LED/LDR combo for a super simple arrangement.
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