Compared to the Arduino Uno of old, modern microcontrollers are absolutely tiny — especially for the amount of processing ...
There are a lot of ESP32-based development boards out there– and why not? It’s a versatile chip that can be used in all sorts ...
ESP32 GPIO27 → MAX98357A BCLK ESP32 GPIO26 → MAX98357A LRC ESP32 GPIO25 → MAX98357A DIN MAX98357A VIN → 5V MAX98357A GND → GND MAX98357A → Speaker (4-8Ω) ...
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