ESP8266TrueRandom TrueRandom Arduino library for the ESP8266 The code is only slightly modified from tinkerit TrueRandom to work on the ESP8266, and this is probably not as random as the original.

Melody Player is an Arduino library to play melodies on buzzers on ESP8266 and ESP32 in a non-blocking manner. Melodies can be written directly in code or loaded from file. It supports Ring Tone Text ...