DIY Portable Pocket Music Player Using ATtiny85 micro-controller(from SD-card)
Explore - EasyEDA
then/secure-digital-club: repo for instructions and code to produce a audio (wav) player from a simple sd card and an attiny(85) avr chip - secure-digital-club - Source Code At Bargain Prices!
DIY Portable Pocket Music Player Using ATtiny85 micro-controller(from SD-card)
Digispark Kickstarter ATTINY85 Micro USB Development Board for Arduino – Envistia Mall
DFPlayer Pro Mini MP3 Player Module | 128MB Storage – DIY Electronics