OLED display support is added to ESP32 MP3 web radio/bluetotooth speaker code by MrBuddyCasino's. Now webradio station switching is supported (implemented by n24bass)
SSD1306 compatible OLED/LCD (128x64 dots) support is added, using Adafruit_GFX lib. Frame buffer for 21x8 characters is added for text display on graphic OLED/LCD.