MP3 Player
A portable, rechargeable, long lasting music player desgined for wired headphones.
Overview
This project was designed for use on long roadtrips, flights and runs. Using a clip on the back of the device, this MP3 player sticks to your shirt/collar to keep your hands free while listening. The device makes use of four tactile buttons to navigate your music files and playlists, with audio feedback so that you know where you currently are in the file system. The device is rechargeable via USB-C, also through which the device acts as a mass storage device for easy file access, instead of interfacing solely through the SD card.
Hardware
- MCU: STM32F4CEU6
- Audio: TAD5442 DAC
- Storage: Micro SD card via SPI
- Battery: 800mAh LiPo
- RGB: WS2812 Addressabled LEDs
Firmware
TODO