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  Topic: PT2399 issues going from breadboard to PCB
floating-water

Replies: 10
Views: 3849

Post Posted: Sun Jul 02, 2023 9:59 am    Subject: PT2399 issues going from breadboard to PCB
Forum:  DIY Hardware and Software
@Grumble, would you be available to run through the circuit now if you are back?

Thanks
  Topic: PT2399 issues going from breadboard to PCB
floating-water

Replies: 10
Views: 3849

Post Posted: Thu Jun 01, 2023 7:58 am    Subject: PT2399 issues going from breadboard to PCB
Forum:  DIY Hardware and Software
No worries grumble and thanks Steveg for that link, the information on there looks good to compare to. I just got to get stuck into the breadboard but I'm away for the weekend now.

Please, if anyon ...
  Topic: PT2399 issues going from breadboard to PCB
floating-water

Replies: 10
Views: 3849

Post Posted: Wed May 31, 2023 11:27 am    Subject: PT2399 issues going from breadboard to PCB
Forum:  DIY Hardware and Software
Reuploaded schematic as the default Fritzing values are probably confusing.

I circuit is based on a hand drawn schem I saw on Google so I am sure there are things that are not right.

Thanks
  Topic: PT2399 issues going from breadboard to PCB
floating-water

Replies: 10
Views: 3849

Post Posted: Wed May 31, 2023 10:56 am    Subject: PT2399 issues going from breadboard to PCB
Forum:  DIY Hardware and Software
Riggght OK so the pots are wired wrong then as the potentiometer part I used in the schematic; number '3' is the 'wiper' and not the 3rd lug. I'll figure that but would this be connected OK now for th ...
  Topic: PT2399 issues going from breadboard to PCB
floating-water

Replies: 10
Views: 3849

Post Posted: Wed May 31, 2023 8:33 am    Subject: PT2399 issues going from breadboard to PCB
Forum:  DIY Hardware and Software
Ahh OK, I'll look into that when I get home, cheers grumble.

As another note, do you think the potentiometers are wired correctly, doing some searching, Fritzing potentiometers might be set up not ...
  Topic: PT2399 issues going from breadboard to PCB
floating-water

Replies: 10
Views: 3849

Post Posted: Wed May 31, 2023 6:32 am    Subject: PT2399 issues going from breadboard to PCB
Subject description: having issues setting a PT2399 circuit to PCB
Forum:  DIY Hardware and Software
I've had this barbaric pt2399 circuit on my breadboard (it works perfectly (for my purpose) on the breadboard) for a while and have been trying to get it to PCB form so I can use it in projects howeve ...
  Topic: CAD condenser microphone cuts out / occasional oscillation
floating-water

Replies: 0
Views: 1805

Post Posted: Wed Mar 24, 2021 9:43 am    Subject: CAD condenser microphone cuts out / occasional oscillation
Forum:  Instruments and Equipment » General Discussion
Twice ive bought a used condenser mic and its had the same problem. Naturally I thought it was my interface/cable/usb/phantom etc but the other condensers work fine. Basically its cuts out if the inpu ...
  Topic: M audio Nova microphone capsule upgrade/cleanup
floating-water

Replies: 0
Views: 1965

Post Posted: Tue Feb 23, 2021 8:53 am    Subject: M audio Nova microphone capsule upgrade/cleanup
Forum:  Instruments and Equipment » General Discussion
Just got an m audio nova off ebay for backup mic and was wondering if anyone knew exactly what type of capsule I could use to upgrade or the proper way to clean a capsule if anyone has had experience ...
  Topic: where can you buy pre-built keybeds/synth parts
floating-water

Replies: 0
Views: 2070

Post Posted: Thu Feb 04, 2021 11:15 am    Subject: where can you buy pre-built keybeds/synth parts
Forum:  DIY Hardware and Software » Musical Interfaces
Is there any manufacturer from which you can buy keybed parts for synths, say, a 25-key keyboard skeleton with the circuit board/outputs for the scan matrix required for it so you can build around it. ...
  Topic: Help with basic limiter/VCA at end of diy synth signal path
floating-water

Replies: 58
Views: 16498

Post Posted: Wed Feb 03, 2021 8:50 am    Subject: Help with basic limiter/VCA at end of diy synth signal path
Forum:  DIY Hardware and Software
This thread become quite the plethora of topics i apologise but your tip on the copper tape worked, I know now I just have to shield any non metal enclosures.

I'm now back to the very original top ...
  Topic: basic wet / dry for effects circuit
floating-water

Replies: 3
Views: 2889

Post Posted: Mon Jan 25, 2021 10:14 am    Subject: basic wet / dry for effects circuit
Forum:  DIY Hardware and Software
Is there a different way to wire up buffers with guitar as opposed to synthesizer signals? I am having trouble getting this to work. I took a month off electronics so im a bit rusty. I've got a fuzz c ...
  Topic: Help with basic limiter/VCA at end of diy synth signal path
floating-water

Replies: 58
Views: 16498

Post Posted: Tue Jan 12, 2021 1:55 am    Subject: Help with basic limiter/VCA at end of diy synth signal path
Forum:  DIY Hardware and Software
Its a ZOOM, supposedly regulated supply, although I need to get something like a 1stop for testing guitar related gear. Would a variable power workbench supply make any difference for testing? I assum ...
  Topic: Help with basic limiter/VCA at end of diy synth signal path
floating-water

Replies: 58
Views: 16498

Post Posted: Fri Jan 08, 2021 6:06 pm    Subject: Help with basic limiter/VCA at end of diy synth signal path
Forum:  DIY Hardware and Software
The noise is always there when im not touching anything, its when i touch something, for example, the input jack, the noise stops.

For more information of whats going on inside: theres an echoplex ...
  Topic: Help with basic limiter/VCA at end of diy synth signal path
floating-water

Replies: 58
Views: 16498

Post Posted: Fri Jan 08, 2021 10:56 am    Subject: Help with basic limiter/VCA at end of diy synth signal path
Forum:  DIY Hardware and Software
Thanks for getting back, It did make a difference grounding the switch but I still need to be touching one end of the crocodile clip for it to be quiet. any queries? Its less with a battery but its st ...
  Topic: Help with basic limiter/VCA at end of diy synth signal path
floating-water

Replies: 58
Views: 16498

Post Posted: Wed Jan 06, 2021 3:14 am    Subject: Help with basic limiter/VCA at end of diy synth signal path
Forum:  DIY Hardware and Software
I've completed the amp build but theres some what I believe to be ground hum for example, if I touch the switch that switches between the speaker and the headphone out (slight change in the design) yo ...
  Topic: turning old piano into midi keyboard (keyboard matrix)
floating-water

Replies: 33
Views: 14418

Post Posted: Thu Dec 24, 2020 6:20 am    Subject: turning old piano into midi keyboard (keyboard matrix)
Forum:  DIY Hardware and Software » Musical Interfaces
for anyone that encounters this problem with a clone, i switched to the old bootloader and it worked
  Topic: turning old piano into midi keyboard (keyboard matrix)
floating-water

Replies: 33
Views: 14418

Post Posted: Sun Dec 13, 2020 2:27 pm    Subject: turning old piano into midi keyboard (keyboard matrix)
Forum:  DIY Hardware and Software » Musical Interfaces
Another problem, its stuck on uploading.

Its an arduino nano, its on port COM 5 its looks all set but wont upload, its a clone arduino nano
  Topic: turning old piano into midi keyboard (keyboard matrix)
floating-water

Replies: 33
Views: 14418

Post Posted: Sun Dec 13, 2020 2:05 pm    Subject: turning old piano into midi keyboard (keyboard matrix)
Forum:  DIY Hardware and Software » Musical Interfaces
Thanks my guy it worked
  Topic: turning old piano into midi keyboard (keyboard matrix)
floating-water

Replies: 33
Views: 14418

Post Posted: Sat Dec 12, 2020 8:46 pm    Subject: turning old piano into midi keyboard (keyboard matrix)
Forum:  DIY Hardware and Software » Musical Interfaces
It's typed as:

scanColumn(colCtr);

the whole code is:



#define NUM_ROWS 8
#define NUM_COLS 8

#define NOTE_ON_CMD 0x90
#define NOTE_OFF_CMD 0x80
#define NOTE_VELOCITY 127
...
  Topic: turning old piano into midi keyboard (keyboard matrix)
floating-water

Replies: 33
Views: 14418

Post Posted: Sat Dec 12, 2020 7:34 pm    Subject: turning old piano into midi keyboard (keyboard matrix)
Forum:  DIY Hardware and Software » Musical Interfaces
When I tried compiling the sketch it gave an error:

'scanColumn' was not declared in this scope

on this bit:
void loop()
{
for (int colCtr = 0; colCtr < NUM_COLS; ++colC ...
  Topic: basic wet / dry for effects circuit
floating-water

Replies: 3
Views: 2889

Post Posted: Wed Dec 09, 2020 3:06 am    Subject: basic wet / dry for effects circuit
Forum:  DIY Hardware and Software
Excellent, thanks Grumble
  Topic: basic wet / dry for effects circuit
floating-water

Replies: 3
Views: 2889

Post Posted: Tue Dec 08, 2020 4:02 pm    Subject: basic wet / dry for effects circuit
Forum:  DIY Hardware and Software
Apologies of this bores someone but whats the usual protocol for setting up a wet dry knob on a circuit? I have a delay circuit on the breadboard, ive buffered the input, sent it to the delay aswell a ...
  Topic: Help with basic limiter/VCA at end of diy synth signal path
floating-water

Replies: 58
Views: 16498

Post Posted: Tue Nov 24, 2020 12:02 pm    Subject: Help with basic limiter/VCA at end of diy synth signal path
Forum:  DIY Hardware and Software
Ah beautiful that looks pretty useful. After some experiments today i've just got them tied to pin 2 & 3 of the pitch pot and using them as extra pitch fluctuators I guess theyre just changing the ...
  Topic: Help with basic limiter/VCA at end of diy synth signal path
floating-water

Replies: 58
Views: 16498

Post Posted: Mon Nov 23, 2020 8:40 am    Subject: Help with basic limiter/VCA at end of diy synth signal path
Forum:  DIY Hardware and Software
I think screw terminals, ordered. Another little thing if I were to use coins as conductive keys or switches whats the concept of that. I assume the coin needs to be tied to ground but would your fing ...
  Topic: Help with basic limiter/VCA at end of diy synth signal path
floating-water

Replies: 58
Views: 16498

Post Posted: Fri Nov 20, 2020 2:24 am    Subject: Help with basic limiter/VCA at end of diy synth signal path
Forum:  DIY Hardware and Software
OK that makes sense for the power distribution, least resistance and separation. What are those things called that you can screw in or layer multiple connection points? I can't find the right thing on ...
 
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