Published by www.ModemArea.com (Modem Unlocking Website). Aha, at last Now it is to make Usb Mp3 Player at home with Usb Mp3 Player Module. This Module can read MP3 files from a USB thumb drive and play it for you. I Found a compact sized USB Reader circuit, which has a Sleek IR remote control, Comes with small LED Based Display.(LED Based Seven Segment Display). I bought it from a local store in Bhiwani Haryana. I also purchased a IR receiver which was Damn cheap and you can control the played audio. IR module has points as "IR" , "Gnd", "5V" when using from Left to right. There is no need for connection other buttons and wires if u use IR sensor because after that u can do everything with module via Remote Control. The main attraction is its cost. The board cost only 120 Rupees ( 3$). Total cost f Equip so far. Rs.150/-


Requirement components and parts for create USB Mp3 Player at home
1. Usb Mp3 Module with Remote (See screenshot)

2. IR Sensor with Metal case (You can buy it from any TV spare parts shop)

3. 0-9 AC to Dc ( 1 Amp.) Transformer (You can buy it from any TV spare parts shop)

4. Audio Board 6 Volt to 9 Volt (You can buy it from any TV spare parts shop)

5. IC 7805 with 1000MFD 16 to 25 volt Capacitor (You can buy it from any Tv spare parts shop)*

* IC 7805 is used for convert 9 volt in 5 volt that is require for Usb Mp3 Module and your      audio board require 6 volt to 9 volt so there is no need to connect Your audio board to 5 volt supply only 5 Volt is only for Module circuit.

6. IN 4007 Diodes (4)   for filter 0-9 power supply

7. One blank project matrix PCB Board for mount IC 7805 Power Supply and other components   on it.

8. One USB socket for connect Pen Drive (Usb) to module

9. One Audio Jack with pin for connect speaker to you audio board

10. One Volume control (10 K) for control audio output

The board circuit diagram is so simple that there are a very few connections. Some of the connections are:-
Connector-1
3.3V - Power for IR sensor (Same as in Picture-3)
IR - IR data line of IR sensor
GND - Ground of IR sensor
PLAY - switch connection for play
VOL- - switch connection for vol -
PMCH - switch connection for mode(Radio/USB)
VOL+ - switch connection for vol +
R - Right channel output to audio amp
GND - ground
L - Left channel output to audio amp

Connector-2
GND - USB Ground
DP - USB DATA +
DM - USB DATA -
5V - USB 5V

Connector-3 (For SD card connection)
 If you have plan for use only Pen Drive for songs then there are no requirement for Connector-3. You can use your Memory Card using Memory card reader and insert it in USB port.
CS
DATA
CMD
CLK
DET
3.3V
The other main features are an built in FM receiver and you can also control FM with remote control User Friendly Auto Search & Save Station Operation Available. The player can read up to 1999 songs.
 
PRODUCT INFORMATION OF Vire (http://www.vire.net.cn) USB MP3 player board:
a) Play the FM channels
b) Display The Song Number
c) Numerical Key Input Operation for Song Selection.
D) FM Radio : 87.5 ¨C 108.0 MHz
E) Auto Radio Station Search Operation.
F) User Friendly Auto Search & Save Station Operation Available.
G) Numerical Display For Volume.
H) 188.8 LED Module Display.
k) Rotated Volume Control Key could be connected
i)   4/6 Keys On Product
ii)  Select Forward
iii) Select Backward
iv) Volume Up
v)  Volume Down

First you need 5 Volt and 9 Volt Power Supply. Here is complete diagram of IC 7805 5 Volt Power Supply for Usb Mp3 Module Circuit.
If you are using any external Amplifier or Computer Speaker then you can use 5 Volt Mobile charger as power supply for Usb Mp3 module. But be careful when connects charge pins make sure + and – pins have in right way otherwise board may be damage. 

Circuit Diagram for IC7805


Ready to use 7805 power supply for mp3 player




The +5 volt power supply is based on the commercial 7805 voltage regulator IC. This IC contains all the circuitry needed to accept any input voltage from 8 to 18 volts and produce a steady +5 volt output, accurate to within 5% (0.25 volt). It also contains current-limiting circuitry and thermal overload protection, so that the IC won't be damaged in case of excessive load current; it will reduce its output voltage instead.
The 1000µf electrolytic capacitor serves as a "reservoir" which maintains a reasonable input voltage to the 7805 throughout the entire cycle of the ac line voltage. The four rectifier diodes keep recharging the reservoir capacitor on alternate half-cycles of the line voltage, and the capacitor is quite capable of sustaining any reasonable load in between charging pulses.

   
Remote Control of Usb Mp3 Plyer circuit diagram Module 
 
The other main features are an built in FM receiver and you can also control FM with remote control. The player can read up to 1999 songs.

Audio Player Circuit Diagram for Mp3 Player

I suggest you must buy ready to use Audio board from any local store but i publish here audio circuit for your knowledge. It is very easy to understand and build.
All Components view