MATRIXSYNTH: MOD3 DC motor VCO | DIY eurorack modular synth Actuator Driver

Monday, May 04, 2026

MOD3 DC motor VCO | DIY eurorack modular synth Actuator Driver


video upload by HAGIWO

"MOD3 is an open-source, multi-purpose actuator driver.
I use MOD3 to drive an DC motor , it is controlled by V/oct PWM osc.
The vibration of the DC motor plays musical notes, and the piezoelectric element functions as a microphone.

working documents
https://note.com/solder_state/n/n160f...

PCB gerber data & PCB assy production data Download
https://www.patreon.com/posts/mod3-ge...

Please support me to continue projects.
In patreon you will find content about my background , technical information.
/ hagiwo

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Repository of HAGIWO's DIY Modular Synth
https://note.com/solder_state/n/n54e0..."

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