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ESP32‐S3 AI Smart Speaker Development Board
Phil Schatzmann edited this page Nov 29, 2025
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BoardName: ESP32S3AISmartSpeaker
This board provides some nice functionality:
- ES8311 Codec DAC Chip
- ES7210 Codec ADC Chip with stereo microphones
- SD Card
- 6 Neopixel Multicolor LEDs
- A PCF85063A Real Time Clock
- 3 User Definable Keys
- GPIO interface
- camera interface
- lcd interface
The only stumbling block is that a TCA9555 port extender was used for some critcal pins, so they can't be used with the regular Arduino digitalWrite() and digitalRead().
I needed to extend this framework to provide it's own digitalWrite and digitalRead which can be used with both, the regular and the extended pins (see this example)!
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- Basic Usage Examples for each component can be found in the AudioTools project.
- Apart from this you can use any other example by just using the right Audio Source or Sink class!
