SparkFun Electronics WAV Trigger 16-bit Audio Player Board

The SparkFun Electronics WAV Trigger is a unique, high-fidelity polyphonic audio player board. Engineered for professional audio applications, it supports the playback of up to 2048 uncompressed 16-bit stereo WAV files at pristine CD quality (44.1kHz). This allows for crystal-clear sound reproduction perfect for installations, exhibits, and interactive projects.

A standout feature is its ability to play and mix up to 14 stereo tracks simultaneously and independently. This provides immense creative flexibility for complex audio environments, from layered soundscapes to multi-channel effects. You have multiple control options: utilise the 16 programmable trigger inputs for physical button or sensor interaction, communicate via native serial control for integration with microcontrollers like Arduino, or use MIDI for musical instrument control.

For dynamic audio manipulation, the board offers real-time playback rate control and MIDI pitch bend functionality. Output options are versatile: it provides a true 2.1V RMS line-level stereo output for connecting to external amplifiers or mixers, and includes an onboard mono amplifier with a dedicated speaker connector for driving a small speaker directly. Additional useful features include a dedicated 'play' status digital output pin for synchronising lights or other devices, and 3.3V and 5V output pins to power sensors or peripherals. Storage is handled via a MicroSD card slot, supporting cards up to 32GB for extensive audio libraries. This board is supplied as the WAV Trigger board only, ready for integration into your custom project.

With its compact footprint and robust feature set, the WAV Trigger is the ideal solution for makers, artists, and engineers looking to add high-quality, controllable audio to robotics, art installations, interactive displays, or custom musical instruments.