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Electro-Smith Patch Submodule Eurorack DSP Development Board

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Just Add Knobs

The Daisy Patch Submodule is a DSP platform for Eurorack synthesizer modules. It features a lightning fast STM32 processor, high fidelity stereo audio codec, and enough RAM for 10 minute long buffers - all with standard signal levels and conditioning for the Eurorack ecosystem.

Simply design your carrier board, and let the Patch Submodule do the rest!

Programming is a breeze with support for C++, Max/MSP Gen~, Pure Data, Arduino, and more. These languages can be coupled with our open source DSP library, DaisySP, for a powerful music synthesis programming environment.

  • Create your dream Eurorack module with the Daisy Patch SM!

  • STM32 M7 processor at 480MHz, 96kHz / 24-bit audio, RAM for up to 10 minute audio buffers

  • Stereo audio IO, x12 ADC inputs ( 16-bit bipolar CV or potentiometer), x2 CV outputs (12-bit), x2 gate inputs, x2 gate outputs, x12 GPIO

  • Flash firmware over USB via open source web programmer

  • Support for SDDMC, SPI, UART, I2C, and USB

  • FCC / CE Tested and Compliant

  • Backwards power protection installed