[$25] DIY eurorack modular synth Hard/Soft SYNC VCO with Arduino uno R4 , digital VCO
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- Опубликовано: 7 сен 2024
- My 76th original eurorack modular synth DIY projects.
Arduino UNO R4 based digital VCO , it has Hard/Soft SYNC function.
Since the SYNC frequency is controlled by CV, SYNC sound can be created with fewer modules.
working documents ( code & schematics)
note.com/solde...
Simpler Arduiono uno r4 vco project video.
• [Prototype] Arduino UN...
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In patreon you will find content about my background , technical information and CAD data.
/ hagiwo
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Repository of HAGIWO's DIY Modular Synth
note.com/solde...
See Instagram and Twitter for the development status of my next module.
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An idea for a module: Pressure sensitive touch controller
Nice! I like your designs. Have you ever thought to change the potis to encoders for digital functions (like the waveform poti in this module)? I built the midi to CV (works fine) and soon the LFO will be ready...
COOL NCE WORK BRO
In the schematic in the note you have the TL072 V- hooked up to +12V, and V+ connected to -12V. (pin 8 to -12V, pin 4 to +12V). I'm guessing this is backwards.
You are right. The connection was reversed, I will correct it. Thanks.
Love your work! I really want to start building modules as i already have a substantial collection. Is this an easy build and do you provide instructions?
Soldering is not difficult. However, getting an Arduino uno R4 compatible board may be difficult.
I know capabilities of adc/dac(pwm) of arduino. Please don't go this way. Analog is better in this use. Arduino can be a VC switch or sequencer but not a source of 20Hz..20kHz signals. LFO at best after some very heavy filtering and using feedback for compensation.