tiny tremoloOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO

[Perrow]

@perrow.. why the pin 4 connection?...

I misread Adriano's post and haven't had time to correct myself. Pin 4 of the IC needs to be either removed or at least bent so it's not connected. I've updated the image with a note about this. Reload if you don't see it.

On the other hand, I fixed it in ... [drumroll] ... the next version Even moved the rate led ground to the edge of the board.

[blooze_man]

i used a standard 5mm red led with a 5k ldr....and i get fast trem out of it...

How do I measure an LDR? Since their resistance is dependent on light. Thanks

[deadastronaut]

i used a standard 5mm red led with a 5k ldr....and i get fast trem out of it...

How do I measure an LDR? Since their resistance is dependent on light. Thanks

now thats a great question....i measured mine in indoor daylight no direct sun.....i didnt try it in the dark..hmmm..
but i got 4.5k..so i figured it was a 5k..but!.....

i just measured the diy vactoral and it read 80k now that its wrapped in shrink...so i guess it must be 100k or something..not sure on the
tolerance of these though!...!!!!my bet is it is 100k...

[Scruffie]

i used a standard 5mm red led with a 5k ldr....and i get fast trem out of it...

How do I measure an LDR? Since their resistance is dependent on light. Thanks

now thats a great question....i measured mine in indoor daylight no direct sun.....i didnt try it in the dark..hmmm..
but i got 4.5k..so i figured it was a 5k..but!.....

i just measured the diy vactoral and it read 80k now that its wrapped in shrink...so i guess it must be 100k or something..not sure on the
tolerance of these though!...!!!!my bet is it is 100k...

I think with some searching (admittedly this subject may be a broad search and could take a while) I read a thread a few months back by R.G. or someone of simmilar experience explaining how to measure them accuratley... have a check atleast.

Oh and by the way, really nice design, I love 2 knob designs, now it just needs a toggle switch to do something  that's my favourite kind of pedal layout.

[deadastronaut]

cheers scruffie..yeah i'll take  look...

yeah id like a simple toggle on it...just to on/off the depth !...and get choppy.

[Quackzed]

I just wired this thing up, but i think i have a short somewhere ,because after flickering then getting very bright, i think i fried my led...
oh ,well- i'm gonna try and get it working tonight and i'll report back...
i saw your tiny panner and i may have to try that as well... just hope i didn't kill my chip, but the 555 i have is rated for up to 18v so i think it should be fine..

[Perrow]

Oh and by the way, really nice design, I love 2 knob designs, now it just needs a toggle switch to do something  that's my favourite kind of pedal layout.

You mean, like the switch for "in line"/"bleed"

I leave it for someone else to show a way to use the depth pot for both modes, cause I can't see a way. Just maybe there's a way to switch the pot between bleed controller and parallel with the ldr (I think that was deemed as good alternative for depth, wasn't it?).

[deadastronaut]

I just wired this thing up, but i think i have a short somewhere ,because after flickering then getting very bright, i think i fried my led...
oh ,well- i'm gonna try and get it working tonight and i'll report back...
i saw your tiny panner and i may have to try that as well... just hope i didn't kill my chip, but the 555 i have is rated for up to 18v so i think it should be fine..

hi gil, yeah the 555 should be fine, yep led's they are easy to pop..ha ha..
had no problems with mine though!.im using a 9v battery at the moment...havent tried it on my psu...!!!!!

@pelle. yeah i too was looking at having a simple toggle on the depth, rather than a stomp, just my preference!
cool layout you've done though, nice one!..

[askwho69]

THE FINAL LAYOUT>> and SCHEMO PLEASE!!!!!!!!!!!! ))

[deadastronaut]

THE FINAL LAYOUT>> and SCHEMO PLEASE!!!!!!!!!!!! ))

layout on page 2 will work fine.....and perrow's  pcb layout ....

just working on a toggle switch to turn off depth!!!!. busy busy busy....

[Renegadrian]

THE FINAL LAYOUT>> and SCHEMO PLEASE!!!!!!!!!!!! ))

layout on page 2 will work fine.....and perrow's  pcb layout ....

And my verified small vero layout on page 4!

[searoad]

hi paully.
light dependant resistor...shine light in it and it reacts...so the led flashes into it..ok.
same as this..
http://www.youtube.com/user/100roberthenry#p/u/8/rn16DMoTEPw

this one sounds great too!!
any more info about it? 

[deadastronaut]

THE FINAL LAYOUT>> and SCHEMO PLEASE!!!!!!!!!!!! ))

layout on page 2 will work fine.....and perrow's  pcb layout ....

And my verified small vero layout on page 4!

@adriano..sorry forgot about that one too!. ...did you still have a clicking noise with it?..

@searoad. checkout youtube ' how to build a synth'...its pretty basic but i cant remember the details of it at the moment ok...
its a '74hc14 chip!...ldr and a pot..the light theremin!.

[Renegadrian]

@adriano..sorry forgot about that one too!. ...did you still have a clicking noise with it?..

Maybe I had a strange contact or whatsoever....anyway it seems I have that click no more...

[deadastronaut]

@adriano..sorry forgot about that one too!. ...did you still have a clicking noise with it?..

Maybe I had a strange contact or whatsoever....anyway it seems I have that click no more...

great stuff!.....so its good to go on your vero then!!!!....nice one. rob.

[Renegadrian]

yeah it's verifies as all of my $hit! 

[deadastronaut]

yeah it's verifies as all of my $hit! 

ha ha....

now for the stereo panner/dual tremolo?..

[Renegadrian]

The next one on the coming week...I have to say I experienced some volume loss with the TT - maybe we can say it's better to boost the signal somehow...

[deadastronaut]

The next one on the coming week...I have to say I experienced some volume loss with the TT - maybe we can say it's better to boost the signal somehow...

did it lose level when boxed with a switch?....

a buffer was suggested early on, on this...maybe just a single transistor boost  stage ...

before or after though?..or both...what would you suggest?..or even a dual opamp!!!...hmmmm...

[Barcode80]

I would say tack on an lpb at the end. Simple, low parts count, good gain recovery.