Voice Controlled LED Scrolling Display using Bluetooth and Arduino Special thanks and credits for Voice by R.Shathees Speech to Text Scrolling Message Display using Arduino and Android app control MAX7219 LED Dot Matrix Display & Bluetooth Speech to text conversion Arduino Uno R3 MAX7219 LED Matrix Display (1088AS) HC-05 Bluetooth 8x8 Dot Matrix Display MD_Parola Library MD_MAX72xx Library