Copy background_layer Files to library folder,

Acceleration sensor is attached to Esp Pin 17/16 SDA / SCL add Wire.begin(17,16) if required

Using Webconfig for WLAN credentials saved in Eeprom

Source code for grains of sand is from the community NOT my code, but added bigger sized letters which are affected by grains of sand

video you find here: https://www.youtube.com/watch?v=LjBK985LOZw&feature=youtu.be