Audio Adapter Shield Rev D2 for Teensy 4.0 and Teensy 4.1 Microcontroller
Audio Adapter Shield Rev D2 for Teensy 4.0 and Teensy 4.1 Microcontroller
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This Teensy Audio Adapter Board from PJRC can be added to a Teensy 4.0 or Teensy 4.1 microcontroller development board to provide you with high-quality 16-bit, 44.1 kHz sample rate audio to your Teensy 4 microcontroller in an easy-to-use shield. With the Teensy audio library, you will be able to use both the input and output simultaneously in order to make a variety of great audio projects, incorporate synth waveforms, effects, and mix multiple sound streams and CD-quality audio to your headphones or different line outs.
The Teensy Audio Shield Rev D2 for Teensy 4 utilizes the SGTL5000 stereo codec with headphone amp IC to decode and drive audio files and the Cortex-M4 DSP instructions from the Teensy 4.0/4.1 development board to provide power to a real-time FFT. Each board is equipped with a 3.5mm audio jack for headphones, a micro-SD card slot for storing audio files, and optional spaces for a 25k potentiometer (volume control) and flash memory chip. The two rows of 14x1 headers are not included to give you the freedom to choose how to connect your audio board with your Teensy.
Features:
- 16 bit, 44.1kHz Sample Rate Audio
- Plays Uncompressed WAV and Raw Audio Files
- 4 Channel Software Mixer
- 3.5mm Audio Jack
- Micro-SD Card Slot
The circuitry for this Rev D2 Audio Adapter is the same as Rev C (for Teensy 3.0 - 3.6), but the I2S digital audio signals and SPI signals for the SD card are routed to the pins that Teensy 4.0 uses.
Note: A Teensy 4.0 or Teensy 4.1 Development Board is needed to make your Teensy Audio Adapter Shield operational.
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