No knowledge of circuits or basic electonics - MP3 player, how to make direct connection without charging the battery, what voltage adapter does it require to run : r/PCB
How to Make MP3 / WAV Player without Arduino | Voice Playback Module | Arduino, Microcontrollers, Arduino projects
Make Your Own Cheap Portable MP3 Player (Bluetooth, USB, AUX, SD Card, FM) : 4 Steps (with Pictures) - Instructables
How to Make Smallest SD card Mp3 Player | DIY Mp3 Player | Sd Card Player | Mini Mp3 Player - YouTube
DIY MP3 Player Circuit Diagram
5V Slim Mini Size DIY MP3 KIT WAV MP3 Player Audio Decoding Decoder Module Board With USB Port Digital Tube dispaly U Disk Music|board shorts men sale| player bandboard bmw - AliExpress
DIY Mini Mp3 Player | USB Audio Player Without PCB - YouTube
How to Make SD Card Mp3 Player at Home | DIY SD Card Mp3 Player | Homemade Micro Sd Card Mp3 Player دیدئو dideo
How-To: Make your own MP3 player | Engadget
DIY hack builds the Winamp MP3 player you always wanted
Make Your Own Cheap Portable MP3 Player (Bluetooth, USB, AUX, SD Card, FM) : 4 Steps (with Pictures) - Instructables
Amplified MP3 Player Internals with OLED Display — PMD Way
DIY MP3 Player Circuit Diagram
Arduino MP3 Player Hack - Make:
How-To: Make your own MP3 player | Engadget
How to Build Your Own Portable DIY MP3 Player
Cheapest Mp3 Music Player at Home || DIY : 7 Steps - Instructables
Make Your Own Cheap Portable MP3 Player (Bluetooth, USB, AUX, SD Card, FM) : 4 Steps (with Pictures) - Instructables
Homemade Portable MP3 Player - EEWeb
How to make portable Mp3 & Fm player with 3D printed box - YouTube
Aibecy Mini Portable USB MP3 Player Mini Clip MP3 Waterproof Sport Compact Metal Mp3 Music Player with TF Card Slot - Walmart.com