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USB mp3 player connection diagram

       
By: Jeffrey | Published on: October 8, 2010

Update: At present I don’t have the SD card connector circuit diagram. Please don’t post in the comments asking for the circuit.

Long back in my blog I had posted how to make an USB mp3 player.
http://jeffrey.co.in/blog/2009/08/usb-mp3-player/

This mp3 player is made using a Chinese mp3 decoder board. Find more about the mp3 decoder board at http://www.vire.net.cn/
You don’t have to order it from china. It is available from most of the local electronic shops in INDIA. I don’t know about other countries.

The board is self explanatory. It has proper silk screen markings which shows how to connect. But still many had posted comments in my blog for the connection diagram of this board. I think it is hard for an electronics beginner to connect the board. So I thought of posting the connection diagram.

On the rear side of the board, there are three connectors.
They are for
1) Player buttons and IR sensor
2) USB and MMC/SD card interface
3) Power supply

For the board to play music, it needs a 5V DC power supply, USB port, 3.5mm stereo jack and an IR sensor to detect the signals from remote. You can also add switches to control songs, SD/MMC card slot, antenna for clear radio reception. All these are optional.

Connection diagram
USB MP3 connection diagram

The connection diagram doesn’t show how to connect an SD/MMC card socket. You can connect the SD/MMC to this player using an USB card reader.

Be careful while connecting the USB socket. If there is a connection mistake, it can damage your flash drive. Cross check the connection with the below image.
USB connector

Bill of Materials
MP3 Player board + Remote Controller
USB socket
3.5mm stereo jack
IR sensor (3.3v)
5V power supply
Switches (optional)
SD/MMC card socket (optional)

NOTE: This is not an open Hardware project because the circuit diagram and PCB layout is not available from the vendor :(

Posted in: Circuit, Electronics, Hacking | Tagged under: , , , , | 42 Comments

41 Comments

  1. sameer gupta MonsterID Icon sameer gupta
    Posted October 10, 2010 at 11:45 AM | Permalink

    Your site is very useful to make such type of electronic projects.
    Thanks for that.

  2. Navjot Shoker MonsterID Icon Navjot Shoker
    Posted October 13, 2010 at 3:09 PM | Permalink

    Thanks.
    you have solve my connection problem because there is no idea with card to connect components. please publish information to related digital cards.
    thank u very much.

  3. SK MOIN... MonsterID Icon SK MOIN...
    Posted October 24, 2010 at 11:34 PM | Permalink

    I WANT TO KNOW THE PIN CONNECTION OF “IR 1838″WHICH PIN IS GND,IR,3.3V PLEASE SEND ME SOON.

  4. Biju MonsterID Icon Biju
    Posted November 4, 2010 at 8:20 AM | Permalink

    Hi, Thanks for the info..

    the IR sensor i got with the kit had a different pinout..

    pin1:IR detected signal
    pin2:gnd
    pin3: 3.3v

    any idea where to get vlsi mp3 and midi player chips in india?

  5. nipuna hasanka MonsterID Icon nipuna hasanka
    Posted November 9, 2010 at 8:28 AM | Permalink

    this mp3 player is working successfully. This very simple and can make high qualaity audio wave length. This mp3 player board unit now can find in srilanka. (colombo and akussera towns.)
    any person u need a help please call me or mail me.
    Mobile is on my web site

  6. pradip d. bharambe MonsterID Icon pradip d. bharambe
    Posted November 13, 2010 at 1:39 PM | Permalink

    dear sir my ir module gets faulty by wrong connection
    .so pls tell me which module i perchase .thanks for connection diagram,

  7. Elarcom MonsterID Icon Elarcom
    Posted November 25, 2010 at 12:24 AM | Permalink

    Sir, can you give me the website from where i can order this board in India. I googled it, but could not get it.

  8. AJESH MOHAN MonsterID Icon AJESH MOHAN
    Posted December 9, 2010 at 5:47 PM | Permalink

    Dear friend,
    can i use above circuit in my car stereo amplifier???

  9. Renjith MonsterID Icon Renjith
    Posted December 17, 2010 at 2:49 PM | Permalink

    Thank u for publishing the blog…..very useful… I request u to
    please publish the sd card connection(sd csrd socket pinout)

    Thank u…

  10. ANANTH MonsterID Icon ANANTH
    Posted December 29, 2010 at 12:24 AM | Permalink

    OK
    ANY USEFULL CIRCUIT U CAN SEND TO MY MAIL DIRECTLY IF U FEEL SO.

    REGARDS
    ANANTH

  11. naveen MonsterID Icon naveen
    Posted January 7, 2011 at 3:39 PM | Permalink

    ur site is rockz bro..

    pls tell me 12v to 5v power supply diagram, and full circuit of usb mp3 with amplifier

    thankyou

  12. sashi MonsterID Icon sashi
    Posted January 10, 2011 at 11:44 PM | Permalink

    hey,man !!! this page is great .. but where to connect wire for antenna please help yaar !!

  13. ajin MonsterID Icon ajin
    Posted January 20, 2011 at 2:29 PM | Permalink

    IF YOU HAVE ANY DOUBT about this circuit ,U CAN ASK ME
    Ajinjoseph4@gmail.com

  14. JAI SHANKAR PRASAD MonsterID Icon JAI SHANKAR PRASAD
    Posted January 21, 2011 at 11:53 PM | Permalink

    Thanks A lot to publish this articles. May you please give a article abour 5.1 chennel CD DVD Controller.

  15. Deepak MonsterID Icon Deepak
    Posted January 29, 2011 at 2:03 AM | Permalink

    12V to 5V DC converter using 7805 regulator IC.
    http://www.simple-electronics.com/2009/11/12v-to-5v-dc-converter-using-7805.html
    I think this is helpful for Naveen.

  16. Anil MonsterID Icon Anil
    Posted February 4, 2011 at 8:24 PM | Permalink

    Please say whether usb mp3 module is available in ernakulam

  17. Hari Hara Prasad MonsterID Icon Hari Hara Prasad
    Posted February 17, 2011 at 11:50 PM | Permalink

    Any one of you, have the full diagram of this mp3 module? or, can draw the circuit, What more places- we can use this board? Can we make an ampli speaker with this?
    please, mail me if any one is interested to talk more about this board.
    vhpmak@gmail.com

  18. akash MonsterID Icon akash
    Posted February 26, 2011 at 12:09 PM | Permalink

    sd card cnektion for usb mp3

  19. akash MonsterID Icon akash
    Posted February 26, 2011 at 12:12 PM | Permalink

    how to canect sd card for usbmp3

  20. andy MonsterID Icon andy
    Posted March 16, 2011 at 8:55 AM | Permalink

    thanx to help us

  21. TANISHQ $HARMA MonsterID Icon TANISHQ $HARMA
    Posted April 15, 2011 at 2:29 PM | Permalink

    GOOD YAAR FANTASTIC THANX TO HELP ME U R AS ANCESTOR DUDE

  22. nasir MonsterID Icon nasir
    Posted April 17, 2011 at 11:56 AM | Permalink

    sir can we connect audio and video wire in usb mp3/fm player circuit
    if we connect a/v connection in usb player then please help me to how to connect a/v wire in usb player
    and give the diagram to website.
    thank you sir for giving above circuit diagram

  23. naren MonsterID Icon naren
    Posted May 2, 2011 at 11:57 AM | Permalink

    goood dooood

  24. palani MonsterID Icon palani
    Posted May 28, 2011 at 3:27 PM | Permalink

    THANK U SIR

  25. MOHIT MonsterID Icon MOHIT
    Posted June 29, 2011 at 12:40 PM | Permalink

    i have worked this one…but only noise is hearing….i checked audio board….its working the stations are displayedlike 91.9 and all …but the cheeck sound is only out….when i plugged pen P01 is sheing and its blinking…still no sound…

  26. MADAN MonsterID Icon MADAN
    Posted August 17, 2011 at 9:42 PM | Permalink

    SIR, WHEN PLAY WITH MICROSD CARD IT’S VOLUME IS LOW !
    BUT PLAY FM VOLUME IS HIGER THEN MICROSD CARD WHAT’S PROBLEM PLEASE GIVE ME SOLUTION!
    THANK U

  27. A L PAUL MonsterID Icon A L PAUL
    Posted September 27, 2011 at 11:20 PM | Permalink

    This is good..i hv the same problem mentioned above.only noise is hearing.n pendrive is blinkin. no voice comin out.n i dont know where to connect the wire 4 antenna??i m in irinjalakuda

  28. kiran MonsterID Icon kiran
    Posted November 18, 2011 at 8:52 PM | Permalink

    dear sir,
    i think we can even get FM from this board.please can you tell where to connect to get FM.
    thank you

  29. naeen MonsterID Icon naeen
    Posted December 12, 2011 at 3:56 PM | Permalink

    sir the usb player works properly & i need the upgrades i,e resumed version.

  30. Suhas MonsterID Icon Suhas
    Posted January 2, 2012 at 9:38 AM | Permalink

    Sir I am in Aurangabad (maharashtra). What is that pcb called? what is the pcb name? where should I buy it? can u give me some details from where I can buy it? can i get it on Cash-on-delivery?

  31. praveen MonsterID Icon praveen
    Posted January 18, 2012 at 2:45 PM | Permalink

    I WANT TO KNOW THE PIN CONNECTION OF “IR 1838″WHICH PIN IS GND,IR,3.3V PLEASE SEND ME SOON.

  32. Praveen MonsterID Icon Praveen
    Posted January 21, 2012 at 7:59 AM | Permalink

    lot of thanks for this circute diagram, now i am enjoy with this USB mp3 card.
    With regards,
    Praveen.

  33. nishant rajgarhia MonsterID Icon nishant rajgarhia
    Posted February 17, 2012 at 9:17 AM | Permalink

    hi, i have connected the Circuit. FM Voice is coming. But while plyaing from USB voice is not coming (Its coming very low if i make at maximum level volume ) Please suggest.

  34. kiran MonsterID Icon kiran
    Posted February 21, 2012 at 11:12 PM | Permalink

    dear sir,
    where can i get the mp3 board in Bangalore[Sp road].please tell me fast and i know some shops in Bangalore please can you tell what is the name of the board exactly so that i can ask them.

    thank you,
    from Kiran

  35. vaibhav MonsterID Icon vaibhav
    Posted March 8, 2012 at 11:58 PM | Permalink

    to increase volume of usb, attach ground ( G pin out of L G R ) of stereo socket to main ground as well as to ground of stereo socket also.

  36. amru MonsterID Icon amru
    Posted March 25, 2012 at 12:21 PM | Permalink

    i want to connect speakers to this odule…how can i connect it?plz send me ckt digram or proper connection of that…

  37. amru MonsterID Icon amru
    Posted March 25, 2012 at 12:30 PM | Permalink

    plz send me all the circuit diagram related to this project..e.g.usb drive,sd card connection or speaker or headphone connection..plz send ot my email id..plz…

  38. amru MonsterID Icon amru
    Posted April 22, 2012 at 3:04 PM | Permalink

    sir, my kit was working fine when i start it but after few min. it play only 1 FM station and display was blinking…and also my kit was get heated…what can i do for it????i want to play it again…plz reply me…………

  39. Shailesh MonsterID Icon Shailesh
    Posted April 29, 2012 at 2:58 PM | Permalink

    Sir, I want to connect this kit in to dvd player. Please give me connections for this and can this kit plays video files? please let me know about this as soon as possible. thank you very much for above circuit.

  40. Akhil MonsterID Icon Akhil
    Posted September 25, 2012 at 11:13 PM | Permalink

    sir
    i want to integrate a 16×2 lcd onto this projects to display additional details such as song name, detais etc etc, pls help

  41. Manoj Patel Upera MonsterID Icon Manoj Patel Upera
    Posted November 24, 2012 at 4:42 PM | Permalink

    Good Circuit i am Happy

One Trackback

  1. By USB MP3 Player at JEFFREY’s NOISE (j-noise) on October 8, 2010 at 9:13 AM

    [...] Here is the connection diagram details. http://jeffrey.co.in/blog/2010/10/usb-mp3-player-connection-diagram/ [...]

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