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DIYstompboxes.com  |  DIY Stompboxes  |  Building your own stompbox  |  tiny tremoloOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO 0 and 1 Guest are viewing this topic. « previous next »
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: tiny tremoloOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO  ( 174033 )
rugeb
: 54



Re: tiny tremoloOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO
« #760 : March 20, 2012, 01:51:09 AM »

They are only improvements. I mentioned that the design is of Rob!.
All pages are only improvements..., but now:
 
 - Input and output with the LDR is a circuit isolated from the rest of the circuit.
 - The DEPTH control acts only in the LED.
 - The connection of footswitch is totally different, now cuts the voltage and the guitar is completely isolated from the circuit.
 - Reverse polarity protection.
 - Cap filter.
 - Resistors for LEDs.
 
 Isn't that enough for a tiny circuit?

EDIT: ...and the DEPTH value!
 
 
 
« : March 20, 2012, 03:18:23 AM rugeb »
deadastronaut
: 10419


Rob H. LONDON


Re: tiny tremoloOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO
« #761 : March 20, 2012, 02:08:32 AM »

cool... :icon_cool:

http://www.youtube.com/user/100roberthenry
http://deadastronaut.wix.com/index

^ CHASM REVERB / TREMSHIFTER / FAZE FILTER/ABDUCTOR II DELAY pcb's + WAH LIGHT PLATES.
rugeb
: 54



Re: tiny tremoloOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO
« #762 : March 20, 2012, 07:00:00 AM »

My decal design ...
 

EDIT:
Rob, I know do you not like the decals, ha ha!
« : March 20, 2012, 08:25:25 AM rugeb »
nascarbean_97
: 103

Jaydn T.


Re: tiny tremoloOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO
« #763 : March 26, 2012, 04:07:11 AM »

Does the newest layout allow for the choppy trem when the depth knob is turned up?
rugeb
: 54



Re: tiny tremoloOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO
« #764 : June 19, 2012, 10:22:11 AM »

My decal design ...
 

EDIT:
Rob, I know do you not like the decals, ha ha!


===============================
 
FINISHED!   :icon_lol:
 

NazzTazz
: 57


BDX, FR


Re: tiny tremoloOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO
« #765 : June 19, 2012, 10:41:58 PM »

My contribution: another PCB, with on-board pots.





Pads:

G = Ground
A = Audio (input + output)
V = Vcc
D = (Led) Disable: pull to ground to force led off.

Should be used with a DPDT footswitch (at least), one circuit connecting A pad to In/Out jacks (when effect is on), the other pulling D pad to ground (when effect is off).

deadastronaut
: 10419


Rob H. LONDON


Re: tiny tremoloOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO
« #766 : June 19, 2012, 10:47:56 PM »

@nazz: cool, nice pro looking layout..

http://www.youtube.com/user/100roberthenry
http://deadastronaut.wix.com/index

^ CHASM REVERB / TREMSHIFTER / FAZE FILTER/ABDUCTOR II DELAY pcb's + WAH LIGHT PLATES.
NazzTazz
: 57


BDX, FR


Re: tiny tremoloOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO
« #767 : June 19, 2012, 10:55:54 PM »

Thanks :)

My soldering iron actually died this morning (wth ? didn't know it could happen), so I'll route pcb for diystompboxes today.
Im not sure about pots orientation tho...
Sidenote: protecting diode (1N4001+) should be soldered directly on DC jack.

deadastronaut
: 10419


Rob H. LONDON


Re: tiny tremoloOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO
« #768 : June 19, 2012, 11:38:06 PM »

just as a reference , this was the one i built in the end..(final version) .works fine as clean trem, but not too aufait with distortion though ok...

http://www.aronnelson.com/gallery/main.php/v/chickpea/TS555TINYTREM.gif.html


http://www.youtube.com/user/100roberthenry
http://deadastronaut.wix.com/index

^ CHASM REVERB / TREMSHIFTER / FAZE FILTER/ABDUCTOR II DELAY pcb's + WAH LIGHT PLATES.
Joecool85
: 1163


Re: tiny tremoloOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO
« #769 : June 21, 2012, 05:15:25 AM »

FINISHED!   :icon_lol:
 



I know it's been a while, but how did you get that looking so nice?  Is it a clear slide on decal type of thing?

Life is what you make it.
http://www.ssguitar.com
rugeb
: 54



Re: tiny tremoloOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO
« #770 : June 21, 2012, 06:28:36 AM »

FINISHED!   :icon_lol:
 

I know it's been a while, but how did you get that looking so nice?  Is it a clear slide on decal type of thing?

There are two vinyls: one is white for the the background, other is black  for the text.

EDIT:
Sticker: http://www.fuzzface.es/fuzzpedal/especiales/Tremolo-Rugeb.pdf
 
Schematic: http://www.fuzzface.es/fuzzpedal/especiales/tremolo-sch.jpg
 
Veroboard: http://www.fuzzface.es/fuzzpedal/especiales/tremolo-vero.jpg
 
 :icon_wink:

« : June 21, 2012, 06:48:20 AM rugeb »
deadastronaut
: 10419


Rob H. LONDON


Re: tiny tremoloOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO
« #771 : June 21, 2012, 06:48:21 AM »

@rugeb:   yes i do like it... ;)

http://www.youtube.com/user/100roberthenry
http://deadastronaut.wix.com/index

^ CHASM REVERB / TREMSHIFTER / FAZE FILTER/ABDUCTOR II DELAY pcb's + WAH LIGHT PLATES.
rugeb
: 54



Re: tiny tremoloOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO
« #772 : June 21, 2012, 06:54:35 AM »

@rugeb:   yes i do like it... ;)

THANKS ROB!
 
 :icon_lol:
RandomGlitch
: 135


Undercover Anarchist


Re: tiny tremoloOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO
« #773 : December 18, 2012, 11:58:14 AM »

Hello! I've been reading this thread with great interest, and I've put together a version of this according to the various schematics on here.

What I've got is this:
  • LM7555 - a cmos 555 that I haven't seen referred to on this thread
  • A voltage starve pot to get minimum working voltage - set to about 5k at the moment - to be replaced with a fixed resistor
  • As I've reduced the value of the input voltage, I will probably remove or reduce the value of the LED limiting resistor(s)
  • 220uF decoupling transistor across +/-
  • I don't put the LED too close to the LDR - it clicks if you do.

My questions about it are these:
1. I see no limiting resistor on the RATE pot on any of the schematics - so the rate can go so high that the pulses can no longer be heard. The LED looks to be just on.  I'm pretty sure the duty cycle will be some way off 50% too.  Does anyone use a limiting resistor to cap the top speed of the rate control?

2. Would the (a) circuit shown here from the datasheet which keeps a 50% duty cycle be better? I'd never seen this configuration before. It uses fewer components, so why not use that?



3. I'd like to increase the volume ever so slightly. Some folks mentioned it earlier in the tread.  I was thinking of using a simple 2N3904-based buffer (from Beavis Audio) before the input. - has anyone actually added a buffer to theirs?


Thanks!
« : December 18, 2012, 03:22:28 PM RandomGlitch »
Lizard King
: 60

John C.


Re: tiny tremoloOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO
« #774 : December 19, 2012, 03:20:30 AM »

WOW.  Nice, simple circuit.  I've been working on a Tremulous variant but I think I'm going to throw this one together too.  I love tremolo!
gcme93
: 292


George UK


Re: tiny tremoloOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO
« #775 : March 10, 2013, 12:02:36 PM »

Tiny trem time!

Awesome design, can I get a second pair of eyes to check this over before I build it? I'm aiming for 1590A! First tiny build



Thanks,

George

Piss poor playing is why i make pedals.
gcme93
: 292


George UK


Re: tiny tremoloOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO
« #776 : March 13, 2013, 08:49:18 AM »

eurgh completely forgot to bias the input and add decoupling :( feel like a bit of an idiot, ignore the unbiased nature of the schem, I'll add that in off board.

Piss poor playing is why i make pedals.
Jasonmatthew911
: 168

Jason B. - Rep. of Panama


Re: tiny tremoloOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO
« #777 : April 10, 2013, 05:52:57 PM »

I finally ended up breadboarding the Tiny Trem circuit and it seems to be working as intended, as long as I use it by itself or in front of other pedals as the first effect in the signal chain...As soon as I connect an overdrive or fuzz before the tiny trem, it seems like the Tiny Trem circuit gets completely ignored, like it gets bypassed or something, cuz you won't even hear the clicking sound in the background...To me it seems like when my distorted signal gets to the input of the LDR it just goes right through the output unaffected by the LDR/LED/555 circuit, since the input and output are connected to the same leg of the LDR on my breadboard...I have no dpdt switch connected at the moment...I'm doing all testing by connecting my overdrive pedals directly into the Breadboarded Tiny Trem circuit...This behavior makes no sense to me, as I've seen this type of effect connected after most pedals and the stuttering is very noticeable on any effect before this, as it should be chop all other effects on and off that are before it....A Tremolo effect should work best around the end of the signal chain, but right now for me it's only working as the first effect in the signal chain.....Does anyone have an idea why this is happening or what my issue is?
Jdansti
: 4633


John


Re: tiny tremoloOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO
« #778 : April 10, 2013, 06:00:42 PM »

I finally ended up breadboarding the Tiny Trem circuit and it seems to be working as intended, as long as I use it by itself or in front of other pedals as the first effect in the signal chain...As soon as I connect an overdrive or fuzz before the tiny trem, it seems like the Tiny Trem circuit gets completely ignored, like it gets bypassed or something, cuz you won't even hear the clicking sound in the background...To me it seems like when my distorted signal gets to the input of the LDR it just goes right through the output unaffected by the LDR/LED/555 circuit, since the input and output are connected to the same leg of the LDR on my breadboard...I have no dpdt switch connected at the moment...I'm doing all testing by connecting my overdrive pedals directly into the Breadboarded Tiny Trem circuit...This behavior makes no sense to me, as I've seen this type of effect connected after most pedals and the stuttering is very noticeable on any effect before this, as it should be chop all other effects on and off that are before it....A Tremolo effect should work best around the end of the signal chain, but right now for me it's only working as the first effect in the signal chain.....Does anyone have an idea why this is happening or what my issue is?

http://www.diystompboxes.com/smfforum/index.php?topic=102137.msg905933#msg905933

R.G. Keene: EXPECT there to be errors, and defeat them...
Jasonmatthew911
: 168

Jason B. - Rep. of Panama


Re: tiny tremoloOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO
« #779 : April 10, 2013, 07:40:17 PM »

Schematic VERIFIED, and it sounds cool!
 
 

 


I did Rob's version of the Tiny Trem, and now I did this version...They both work well on their own or as the first effect in your signal chain, but as soon as I turn a distortion or other effect ON connected in front of the Tiny Trem, the Tiny Trem gets completely bypassed and doesn't chop the signal....Has anyone else here realized that the TT is a great little circuit, but it seems like it can't be used at the end of your pedal chain with other effects ON in front of it, which is where you would normally want a Tremolo effect?...I'd like to be able to get a strong choppy killswitch stutter with a distortion in front of the TT, but the TT just gets bypassed...If I connect the TT first in the chain, then the effect is somewhat noticeable with other pedals after it, but the chopping on and off effect isn't very intense...Anyone know of a simple way to fix this issue?
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