Audio Adapter Board for Teensy 4.0

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This audio adaptor lets you easily add high quality 16 bit, 44.1 kHz sample rate (CD quality) audio to your projects.

All versions of the audio shield support stereo headphone and stereo line-level output, and also stereo line-level input or mono microphone input.

The Teensy Audio Library lets you use the input and output simultaneously together with a toolkit of audio processing objects, to easily create all types of sophisticated audio applications. You can play multiple sound files, create synthesized waveforms, apply effects, mix multiple streams and output high quality audio to the headphones or line out pins.

Function Teensy 4.0 Pins
Rev D
Audio Data 7, 8, 20, 21, 23
Audio Control 18, 19
Volume Pot 15 (A1)
SD Card 10, 11, 12, 13
Memory Chip 6, 11, 12, 13


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