[Adafruit]’s Voicebox FX gadget is a fun, well-documented project that serves another useful purpose: being a fantastic reference design for audio on CircuitPython, with I2S audio components.
Source: [Hackaday](https://hackaday.com/2026/09/05/voicebox-fx-is-a-blueprint-for-circuitpython-i2s-audio/)