16/07/2021

Add description. 

Hardware, (*optional)

1. RTL8722DM_MINI 
2. Micro SD card
3. A battery 
4. * Wireless charge module
5. * LCD control panel (touch screen is possible). 
6. 3D printer casing

Software,

1. using Arduino IDE for development
2. using RTL8722DM_MINI, Arduino SDK for development
3. supports mp3 (other types of music files will add-in in the future)