Solstrejf Modulation Matrix
KamikazeVildsvin·Solstrejf·pcb/solstrejf-modmatrix-pots/solstrejf-modmatrix-pots.kicad_pcb
About the Solstrejf Modulation Matrix PCB
Solstrejf Modulation Matrix is an open source PCB design by KamikazeVildsvin, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 165.1 × 246.9 mm, with 52 components from 2 distinct parts.
It belongs with the audio and robotics & motion designs in this gallery.
From the project
4 voice analog sinewave drone oscillator with modmatrix
I wanted the instrument to be playful and interactive. Four sine wave oscillators in itself are maybe not that interesting and can become static. A modulation matrix, which would allow for all four voices to modulate parameters like frequency and amplitude on all other voices would create more complex soundscapes. The basic idea and block diagram can be seen above, where four identical voice boards are connected to the mod-matrix board and a power supply/mixer board for output summation.

Solstrejf Modulation Matrix bill of materials (BOM)
52 components, 2 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | Conn_02x08_Counter_Clockwise | IDC-Header_2x08_P2.54mm_Vertical | J1, J2, J3, J4 |
| 48 | B10K | Potentiometer_Alpha_slide_pot_30mm | RV1, RV2, RV3, RV4, RV5, RV6, RV7, RV8 +40 |
Solstrejf Modulation Matrix design files
The KiCad project lives in the KamikazeVildsvin/Solstrejf repository on GitHub; these links point at the commit this page was built from.
Solstrejf Modulation Matrix: common questions
How big is the Solstrejf Modulation Matrix PCB?
The Solstrejf Modulation Matrix measures 165.1 × 246.9 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Solstrejf Modulation Matrix?
52 components, from 2 distinct parts. The full bill of materials is listed on this page.
Where can I download the Solstrejf Modulation Matrix design files?
From the KamikazeVildsvin/Solstrejf repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Solstrejf Modulation Matrix design in my own project?
Yes, under the terms of its GPL-3.0 license, which KamikazeVildsvin chose for the repository.
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