https://docs.espressif.com/projects/arduino-esp32/en/latest/api/wifi.html
https://www.youtube.com/watch?v=UXt27kOokh08
https://wiki.dfrobot.com/SKU_DFR0954_MAX98357_I2S_Amplifier_Module
https://www.youtube.com/watch?v=m-MPBjScNRk
https://forum.arduino.cc/t/line-level/101009
https://www.epanorama.net/circuits/speaker_to_line.html
https://www.youtube.com/watch?v=a936wNgtcRA
https://github.com/coderholic/pyradio#features
https://arduino.github.io/arduino-cli/0.20/commands/arduino-cli_lib_install/
https://randomnerdtutorials.com/esp32-useful-wi-fi-functions-arduino/
https://wiki.ubuntuusers.de/Internetradio/Streamadressen_ermitteln/
https://www.radio-browser.info/
https://github.com/johnrickman/LiquidCrystal_I2C
https://randomnerdtutorials.com/esp32-microsd-card-arduino/
https://arduinogetstarted.com/de/reference/arduino-string-remove