Audio module for Teensy 4.0 and 4.1 (pinless)

The Audio Adaptor Board for Teensy 4.0 and 4.1 is an expansion shield based on the SGTL5000 audio codec, designed to enhance your sound processing projects. It provides high-quality stereo audio output via a 3.5 mm jack connector and features a built-in microSD card reader (up to 32 GB) for storing and playing back audio files.

This module communicates with the Teensy using the I2C bus for parameter control and I2S for audio data transfer. A dedicated library simplifies stream manipulation, enabling file playback, waveform synthesis, sound effect creation, and multi-source mixing.

Specifications

• Audio codec: SGTL5000
• Audio output: Stereo 16-bit, 44.1 kHz via 3.5 mm female jack
• Storage: microSD card reader (supports up to 32 GB)
• Interfaces: I2C (control), I2S (audio data)
• Power supply: 3.3 Vcc via Teensy board
• Compatibility: Teensy 4.0 and Teensy 4.1 only (Version D)
• Dimensions: 35.6 x 36.8 mm

Note: This shield is supplied without male header pins. You will need to add male pin headers (type MH100) to mount it on the Teensy.