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Arduino MP3 Player

I present this new Arduino project: A full MP3 player based on Arduino.
As you can see in the photo, the idea was to build a standalone player, in the style of antique radios or ‘tapes’, in the age of Iphones ….

Arduino MP3 Player
The player uses a small module based on the VS1002d chip (now discontinued, but who had a drawer). The module in question I bought at  Futurlec . Currently you can get similar modules on ebay for a bit more than 10$, although the chip is the VS1003 o VS1053. You can also use a SparkFun MP3 shield, but significantly more expensive (this shield already includes an SD slot).
The three chips are quite compatible in terms of programming, and indeed almost all initialization the I have taken from the library to the SparkFun MP3 Shield ;-)

Both the SD as the MP3 module are connected to the Arduino using the SPI bus. The LCD is connected in 4 bits mode to save Arduino pins.
This is a table with the connections between  Arduino and the other components. In parentheses, the name of the individual connections on modules (and the pin in the SD card).
 
PIN Arduino MP3 Module SD Card LCD Buttons
0 Forward
1 Back
2 DREQ
3 RS
4 ENABLE
5 (RESET)
6 CS (XCS)
7 DCS (BSYNC)
8 Encoder A
9 CS (CD/DAT3-1)
10 Encoder B
11 MOSI (SI) MOSI (CMD-2)
12 MISO (SO) MISO (DATO-7)
13 CLK (SCLK) CLK (5)
A0 D4
A1 D5
A2 D6
A3 D7
A4
A5
Arduino MP3 Player Schematic
Both the MP3 module and SD card work with 3.3 V, making it necessary adjust the levels to make them compatible with the Arduino 5V. The simplest option is to use voltage dividers with a pair of resistors. For the signals to the micro is not necessary, the 3.3 V are interpreted as high level without problem.

Major Components in Project

Elements of Arduino mp3 player :

  1. Arduino
  2. Mp3 module based on chip VS 1XXX
  3. SD Module (It is also available on ebay)
  4. 4×20 characters  LCD
  5. Small amplifier
  6. 2 speakers.
For more detail: Arduino MP3 Player


This Post / Project can also be found using search terms:

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