WVR Audio Development Board - USB Host Version

£67.00 £55.83
SKU
S-DEV-21308
Brand
SparkFun

WVR is a next-generation sample player powered by an ESP32. WVR features 8GB of memory and an advanced Web GUI where users upload audio and manage configuration and firmware. WVR is Arduino compatible and open-source, and fits on a common breadboard, with room to access all the pins.

WVR offers users a wide range of control over the device via the Web GUI, so the majority of embedded audio uses can be setup without writing custom code. WVR responds to MIDI input, or to events on the GPIO pins. With the addition of a small backpack (SEEED XIAO) this version of the WVR functions as a USB MIDI Host, and can be connected to any MIDI controller.

Features:

  • Playback up to 18 stereo wav files simultaneously, with ~1ms latency
  • Configurable voice stealing algorithm to handle 18+nth triggers.
  • Sample-accurate looping, with configurable loop start and end points
  • Accepts virtually every audio file format, at any resolution, and any size, including wav, mp3, ogg, acc, flac, pcm, aiff, and many more
  • Upload audio, map samples to MIDI notes, configure pin functionality, apply FX, manage firmwares, etc, all over WiFi
  • Holds over 12 hours (8 GB) of stereo audio, at 16bit 44.1kHz resolution Optically isolated MIDI input, provides to-spec MIDI input implementation without any additional circuitry
  • 14 GPIO pins, 8 of which can be analog inputs, and 4 of which can be capacitive touch inputs, plus the many peripherals available on the ESP32 .
  • Pins can be set to start/stop samples, change bank/voice, turn WiFi on/off, mute/unmute, via Web UI
  • Write firmware in Arduino, and upload over wifi. Stores multiple firmwares onboard, selectable via the Web UI.
  • Receive MIDI over WiFi from a DAW via Web MIDI in the Web UI
  • Create multi-sampled instruments, with velocity layering easily in the Web UI
  • Bulk upload sounds, or multi-sampled instruments
  • Backup and restore the contents of memory including configuration (handy for mass production) via Web UI
  • On-board Ultra Low Power (ULP) co-processor means WVR consumes only ~10uA in sleep mode
  • Includes a SEEED XIAO module for USB Host functionality

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