Let's see your finished DIY projects!



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Re: Let's see your finished DIY projects!

Postby cloudscapes » Wed Jan 04, 2017 2:39 pm

One of the downsides of a delay based vibrato is a tiny lag. Like a 15th/20th of a second. It doesn't really bother me, but it might bother some.

I couldn't get the depth I wanted with a lagless phase shift circuit. Especially at the slower end.
Last edited by cloudscapes on Wed Jan 04, 2017 2:40 pm, edited 3 times in total.
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Re: Let's see your finished DIY projects!

Postby cherler » Wed Jan 04, 2017 2:39 pm

cloudscapes wrote:
cherler wrote:So do you have the uC controlling the delay chip? Like a digital pot or an LDR?


Just a couple of transistors. I based that section of the uC->delay chip modulation from this:

http://www.valvewizard.co.uk/jennygreenteethschem.jpg

The couple of transistors and passives did fine. (with a few tweaks)


That's really cool, I'll have to look more closely at it when I get home.

Either that's pretty amazing, great work!
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Re: Let's see your finished DIY projects!

Postby DRodriguez » Thu Jan 05, 2017 10:15 am

Man, that last page was great. Especially Laowiz and cloudscapes!

That vibrato sounds amazing. Like just musical and weird enough.
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Re: Let's see your finished DIY projects!

Postby TheTransient » Sun Jan 08, 2017 9:56 pm

Image

My latest is a pretty straight-forward V3 OCD clone on vero. I couldn't easily source 16mm 500k pots here, so both the gain and volume knobs are only 100k. This actually makes the range on the knobs much more usable in my opinion. Getting the right volume level on my real OCD was always a bit touchy, and I never had the gain cranked way up anyways. That said, I feel like 250k for gain would have been ideal, but that another value that's harder to get in 16mm here...
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Re: Let's see your finished DIY projects!

Postby Strange Tales » Wed Jan 11, 2017 6:22 pm

I finally fucking did it. I've successfully soldered and programmed a STM32. I was rewarded with a fully working Braids!!!!!

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multi_s wrote:it's like looking at ascii porn basically, but animated, and french.


D.o.S. wrote:DUDE I CANT HELP IT WERE THE SAME PERSON
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Re: Let's see your finished DIY projects!

Postby multi_s » Thu Jan 12, 2017 12:23 am

what? just tqfp 48? pshhhhhhh.




goood job :)

:hug:
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Re: Let's see your finished DIY projects!

Postby Strange Tales » Thu Jan 12, 2017 9:16 am

Is that for the Zellersasn? I saw the 4MS Spectral Multiband Resonator uses those honking big ARM chips, but I actually have a method now for doing these things that seems to be foolproof for me so I can do it all now!

No more complaining about TSSOP packages for me :lol:
木枯らし // 木漏れ日 // 風に綱は戦ぐ

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Pedal Demo Videos (WOW!)
multi_s wrote:it's like looking at ascii porn basically, but animated, and french.


D.o.S. wrote:DUDE I CANT HELP IT WERE THE SAME PERSON
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Re: Let's see your finished DIY projects!

Postby multi_s » Thu Jan 12, 2017 11:28 am

oh that's great.

ya it is for 856 and beyond hopefully.

nice work on the tiny passives
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Re: Let's see your finished DIY projects!

Postby Strange Tales » Thu Jan 12, 2017 12:00 pm

Thanks! :hug:

They're really easy to do with the tackdown method. Out of curiosity, how do you solder on the ARM processor?

What works best for me is to liquid flux the board, place the chip, and then put a dab of solder on the tip of my iron and tack down from left to right. Like:

1 2 3 4
| | | | ---->
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Strange Tales Distro - Japanese Underground Music Distribution in the US
Pedal Demo Videos (WOW!)
multi_s wrote:it's like looking at ascii porn basically, but animated, and french.


D.o.S. wrote:DUDE I CANT HELP IT WERE THE SAME PERSON
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Re: Let's see your finished DIY projects!

Postby multi_s » Thu Jan 12, 2017 1:01 pm

basically i try to line it up on the pads using a microscope. then i do one corner and then align again. then do a second pin in the opposite corner. make sure it is aligned. after that it is pretty easy, i do what i think you are saying after that. if there are bridges i just use solder braid to remove the bridge.

so its more liek pin 1, pin (Number of pins)/2 , pin 3, 4, 5 etc

the bigger ones are a hassle because i dont have a tool that can hold it like tweezers that big etc and i drink way too much coffee.
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Re: Let's see your finished DIY projects!

Postby cloudscapes » Thu Jan 12, 2017 2:14 pm

multi_s wrote:what? just tqfp 48? pshhhhhhh.

goood job :)

:hug:


I admire your courage in routing a billion address traces to that RAM ;)
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Re: Let's see your finished DIY projects!

Postby Strange Tales » Thu Jan 12, 2017 2:34 pm

multi_s wrote:basically i try to line it up on the pads using a microscope. then i do one corner and then align again. then do a second pin in the opposite corner. make sure it is aligned. after that it is pretty easy, i do what i think you are saying after that. if there are bridges i just use solder braid to remove the bridge.

so its more liek pin 1, pin (Number of pins)/2 , pin 3, 4, 5 etc

the bigger ones are a hassle because i dont have a tool that can hold it like tweezers that big etc and i drink way too much coffee.


Yea that's how I start it out. Then I just do pin 1, and then pull it out, go to pin 2, etc. It's a very smooth motion once I get in a rhythm. Visually, it would look like a hill I guess? I do need to look into a better microscope to line these pins up. For now I just use a magnification headset that does the trick but can get a little hairy.

I just do this on my own time so I'm drinking beer instead of coffee :lol: .
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multi_s wrote:it's like looking at ascii porn basically, but animated, and french.


D.o.S. wrote:DUDE I CANT HELP IT WERE THE SAME PERSON
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Re: Let's see your finished DIY projects!

Postby multi_s » Thu Jan 12, 2017 4:55 pm

Strange Tales wrote:Yea that's how I start it out. Then I just do pin 1, and then pull it out, go to pin 2, etc. It's a very smooth motion once I get in a rhythm. Visually, it would look like a hill I guess? I do need to look into a better microscope to line these pins up. For now I just use a magnification headset that does the trick but can get a little hairy.

I just do this on my own time so I'm drinking beer instead of coffee :lol: .


ya nice.

i have a binocular microscope that i used for the last several years and it is pretty good, but my neck gets sore from using it for long periods so i recently bought a (cheaper) digital microscope and just plug it into big monitor. Visually it is not as nice as the real microscope, the colors are a bit shite and there is no depth perception but you can just sit back, its easier on the posture. and it takes up less desk space so that is nice too.ill try to post a picture later.

cloudscapes wrote:
multi_s wrote:what? just tqfp 48? pshhhhhhh.

goood job :)

:hug:


I admire your courage in routing a billion address traces to that RAM ;)


yes next board = bga ram though. no more pussying about. >:|
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Re: Let's see your finished DIY projects!

Postby LaoWiz » Fri Jan 13, 2017 1:51 pm

Just got this Meatball style enclosure in the mail. It's a beauty and now need to figure out a good solution for etching steel. Also need to figure what I'm going to put in it!

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Re: Let's see your finished DIY projects!

Postby dminner » Fri Jan 13, 2017 2:10 pm

LaoWiz wrote:Just got this Meatball style enclosure in the mail. It's a beauty and now need to figure out a good solution for etching steel. Also need to figure what I'm going to put in it!

Image


I have been using gun stock dye on steal. Mask, then dye, then acetone. It is not etched, but looks cool and if you use a sponge you can make it look gnarly ;)

This enclosure was done with dye:
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