Fart Box Builds

and continuity tests all look good

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ohhhhhhhhhh I see matt! it was from the museum ok that makes sense now. well you’ll be pleased to know all of the circuit boards were fully tested so this one will work, it just has that blemish. good luck with the build!!!

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I have no worries about the build, Drilling the case on the other hand haha!!!

it should not be too bad, if you get hold of the hammond enclosure, and a stepped drill bit you may be surprised! I don’t even bother doing pilot holes, attached is the drill guide, print it out 100 percent size, double check up against the pcb. then glue it with a pritt stick to the enclosure and just carefully place the step drill bit in the hand drill on top and yeah should be fine! make sure the enclosure is nice and secured down, but it doesn’t tend to run away quite like aluminium the die cast material cuts like butter

https://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=p2380057.m570.l1313&_nkw=stepped+drill+bit&_sacat=0

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I ordered one of those and have plenty. Of cone cuts good tip with the print stick in sure it wil be fine one more thing the pots are Lin and not log aren’t they ?

linear which is B, most of the time in these builds they are linear, unless otherwise stated :slight_smile:

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Heya Fart Boxers, just joined to share some lovely flatulence.

Here is my slightly changed device.
Mostly Pots layout, Offset Trimmers moved to front, extended Envelope length mode via switch.
(sry for not sticking with Sam´s labeling, i just needed something more familiar)

"Vide Mater! Nullum Computare… Arca Bombulo"

Greetings from germany

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very nice! aslong as it works all is good in the world :d

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@AC1 Nice ! welcome in the forum :slight_smile:

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anyone got any good recommendations for the Pots, I bought some but made an error and while they fit the shafts aren’t really long enough and they dont have nut washer fixings . ta Matt.

For wire or for PCB, log or lin and which value ?

i bought mine on Tayda

You can always get extensions for your pots. I 3d printed some for mine because I made the same mistake.

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3d printing is something i know nothing about, I bought these. Taiwan Alpha RV09AF 9mm Pot Linear/Log Potentiometer 11mm Plastic Shaft Audio | eBay i mean they might stick out enough, but really i prefer if you can bolt them to the chassis, but they might be enough room maybe i need normal 16mm and solder them to the pcb with wires ?




Well mines all built now as others have said not sure how to tune it as c and c one octave above are not in tune but either way it’s making exactly the sort of noises it was suppose to either way chuffes it’s working . Matt

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Looks good. Took some work to get mine in tune, and then you still need to find the sweet spot.

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loved it so much I made a video about it :slight_smile:

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Ho did you tune it, I’m guessing its a balance with the 4 trim pots, but I couldn’t work out how or what they are meant to do!!

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You mention in your video you can’t get the octaves to change on your beatstep pro. Hold the sequence 1 button if that is what you are on, and the oct + or - button. Turn all the auxiliary knobs on the fart box to the left. I think that helps. Get the oscillator(s) tuning knob to somewhere it sounds good. Program an octave sequence into the beatstep pro and start adjusting the trimpots. I don’t remember if 2 of my trimpots made any difference. Then you can switch the CV input and try it again. Then expect to have a hard time finding the zone that was in tune later on. :grinning_face_with_smiling_eyes:

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brill ill give that a go ta :slight_smile:

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fantastic build I have 2 of them and your build was perfect and I got the basically the same results

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