Step-by-step guides built on real hardware, tested, and verified. If it's here, it works.
Playing audio clips from an ESP32 dev board through a PAM8403 amplifier and a speaker. Covers wiring, audio prep, WAV-to-header conversion, and the full Arduino sketch.
Wiring and driving a GC9A01 240x240 round IPS TFT display with an ESP32 Dev Board over SPI. Covers library setup, wiring, and a confirmed working test sketch.