Develop & Collaborate

 
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Code it Yourself!

PÚCA DSP is an open source, Arduino compatible, audio development board. It can be used for a wide range of digital signal processing applications including;

  • Digital music synthesis

  • Smart musical instrument design

  • Sound art installations

  • Acoustic sensor networks

  • Internet radio

  • Web audio for the Internet of Sounds

  • Mobile recording

  • Bluetooth speaker

  • Wireless line level directional microphone

  • Voice user interface design

Features and Specifications

PÚCA DSP includes a fully functional feature set for audio processing on a small format breadboard friendly device, with audio inputs and audio outputs, a low-noise microphone array, integrated test speaker option, additional memory, battery charge management and ESD protection all on the same PCB.

It’s a reliable development board for audio applications with all the necessary hardware documentation easily available. PÚCA DSP was originally funded through a Crowd Supply campaign and you can find all the project documentation here.

Click the button below to go to the project’s Github page and download firmware examples.

PÚCA Eurorack Module

Want to code your own Eurorack module? PÚCA is a shapeshifting module with a web browser interface for quickly flashing new firmware to the module. Powered by a PÚCA DSP which sits into the back of the module on stackable headers. Current firmwares include a SNES reverb emulator, a digital oscillator, and a stereo chorus.

  • 6HP Eurorack format

  • OTA Firmware updates over a WiFi network

  • Multiple DSP patches

  • 3 x CV inputs including a scaled V/Oct input

  • 2 x Trigger inputs

  • Dual mono or stereo I/O

  • 1 x Capacitive touch sensor

  • Reverse polarity and overcurrent protected

  • Input Impedance ~ 100k, Output Impedance ~ 1k

  • Skiff friendly

  • +12V 110.8mA, -12V 15.6mA (with Wi-Fi active)