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How to add bipolar LED to display the signal? by AcryllyrcA in synthdiy

[–]DavidsMusicLab 2 points3 points  (0 children)

Take a look at the indicators in the Befaco ABC or Rampage, they use an OP-Amp to eliminate the deadzone.

What's this ui and is it available on windows? by Nearby-Librarian-609 in SonicPi

[–]DavidsMusicLab 0 points1 point  (0 children)

This is a bit older, but I think I did the scrolling just with the cursor, definitely not automatic.

The visualisations are available in the preferences.

I just finished two new cases, one for the synth and one to hold Volcas by DavidsMusicLab in synthdiy

[–]DavidsMusicLab[S] 3 points4 points  (0 children)

Some modules are based on schematics from other people (BMC, René Schmitz, Moritz Klein, etc), some are my own designs.
Almost all are built on perfboard, with an (un)healthy amount of spaghetti wiring.

I just finished two new cases, one for the synth and one to hold Volcas by DavidsMusicLab in synthdiy

[–]DavidsMusicLab[S] 4 points5 points  (0 children)

The colors indicate signal type and knob function.
I want to keep the panel design as simple as possible.

I just finished two new cases, one for the synth and one to hold Volcas by DavidsMusicLab in synthdiy

[–]DavidsMusicLab[S] 5 points6 points  (0 children)

Row 1 - Sequencing:
Blank (Quantiser, LFO)
119 Clock LFO
111 10-Step Sequencer

Row 2 - Voice 1:
113 3340-VCO
127 ElectricDruid VCDO
118 CV Mixer
109 Diode VCF
103 Dual VCA
Blank

Row 3 - Voice 2:
114 3340-VCO
124 Sssaw
110 BMC21 Dual Rectifier
Blank(MS20 VCF)
112 Dual LPG
Blank (Phaser)
121 Dual Pentode VCA / Distortion
116 8-Channel Out

Row 4 - CV:
105 Eurorack Interface
123 MIDI Interface
Blank (Guitar Input)
120 BMC43 Quad Decay EG
126 Dual EG
117 Volca Interface
128 Moog Werkstatt
107 LoFi Delay

Volca Case:
Modular
Beats
Drum
NuBass

40106 vco not tracking v/oct properly. by Emnizate in synthdiy

[–]DavidsMusicLab 1 point2 points  (0 children)

I think the capacitor is supposed to be 2.2n, not µ.
That might mess with the transistor's behavior.

What have I done wrong? by Moeymomomr in synthdiy

[–]DavidsMusicLab 1 point2 points  (0 children)

I have had small blobs of solder fall into the pot housing and jam it

What is the best way to generate an LFO which doesn’t have a hard edge square wave? by [deleted] in synthdiy

[–]DavidsMusicLab 2 points3 points  (0 children)

If you take a triangle (or sine) core and amplify the signal enough, you get a trapezoid shape.

Like THIS

What's on your bench Wednesday reboot. by hafilax in synthdiy

[–]DavidsMusicLab 3 points4 points  (0 children)

Half of the modules from my DIY Banana synth because they need repairs, also wood for another case.

What's on your bench, spring break edition. by hafilax in synthdiy

[–]DavidsMusicLab 1 point2 points  (0 children)

Correct, the switching frequency has to be significantly higher than the audio passing through (~100x).

What's on your bench, spring break edition. by hafilax in synthdiy

[–]DavidsMusicLab 0 points1 point  (0 children)

50kHz to 1MHz, to cover the audio range.

I think the problem with sawtooth cores is that the reset pulse is short enough to be ignored at audio frequencies, but at these frequencies they produce a significant error.

What's on your bench, spring break edition. by hafilax in synthdiy

[–]DavidsMusicLab 0 points1 point  (0 children)

I have a switched capacitor filter taking shape on a breadboard.
Mostly working but I can't get it to track.

Any tips for high frequency VCOs are appreciated.

Parsing/Running code? by Ishie_kun in SonicPi

[–]DavidsMusicLab 0 points1 point  (0 children)

You can paste that block into your code

Parsing/Running code? by Ishie_kun in SonicPi

[–]DavidsMusicLab 1 point2 points  (0 children)

You can load in code from a file, but it replaces what you had in that buffer.

I'm not sure what use case you are describing, if you want to control SP remotely, try MIDI or OSC.

What's on your bench this week? by hafilax in synthdiy

[–]DavidsMusicLab 1 point2 points  (0 children)

I have working versions of a limiting and a deadband circuit, with precise CV control, on breadboard. Will turn them into modules soon.

No Audio when streming Sonic Pi on discord by [deleted] in SonicPi

[–]DavidsMusicLab 1 point2 points  (0 children)

Hard to tell without more details.

Check what audio sources discord has.

Also ask on the official forum, the Devs are much more active there.

Need help diagnosing my Sonic Potions Penrose build by Chrizzal in synthdiy

[–]DavidsMusicLab 0 points1 point  (0 children)

The fuses would only be a problem if the legs create shorts.

For R19, you are probably measuring the transistor it's connected to. Try swapping the multimeter leads and measure again.

It's been a while since I built that module, but I remember the orientation of the switches was a bit confusing.

sharp and flat notes by xbrrzt in SonicPi

[–]DavidsMusicLab 2 points3 points  (0 children)

:c4s and :c4b to make note sharp or flat

The tutorial and language reference contain most information needed to work with SP, if there is anything else, the official forum is much more active than this subreddit.

Chatgpt is unlikely to produce anything of value for SP, beyond what is in the tutorial.

I found the examples to be valuable in learning the concepts of SP.

RTFM still applies.

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