MP3 Player
MP3 Player¶
In case the embedded video isn't working, here is a link http://www.youtube.com/watch?v=FmwP-UHrenk
Purpose¶
This project modifies the existing code for the vs1002 mp3 player (found at http://mbed.org/cookbook/VS1002-MP3-Decoder) to add functionality of song selection via a rotary encoder and a pause option via a dipswitch. Song titles are displayed on the LCD while playing.
Wiring¶
For the LCD Screen:
GND -- 0v VCC -- 3.3v VO --[ 1k resistor ]-- 0v RS -- p10 RW -- 0v E -- p18 D0 -- D1 -- D2 -- D3 -- D4 -- p24 D5 -- p23 D6 -- p22 D7 -- p21
For the S/D Card:
SparkFun MicroSD Breakout Board MicroSD Breakout mbed CS o-------------o 8 (DigitalOut cs) DI o-------------o 11 (SPI mosi) VCC o-------------o VOUT SCK o-------------o 13 (SPI sclk) GND o-------------o GND DO o-------------o 12 (SPI miso) CD o
For the MP3 Board
VIN-----------o (40) VOUT NC MICN RIGHT (15) o----------RST GBUF-----------o GND of Speaker (16) o----------DREQ LEFT-----------o VCC of Speaker NC GPIO 2 GPIO 1 NC NC GPIO 3 GPIO 0 NC (17) o----------BSYNC SO-----------o (6) miso \ NC TX SI-----------o (5) mosi }SPI Bus NC RX SCLK-----------o (7) sck / GND (1) o----------GND CS-----------o i.e.(14)
A DIP switch was also used in p28 to toggle the pause and seek functionality.