Make Your Own Cheap Portable MP3 Player (Bluetooth, USB, AUX, SD Card, FM)




About: Make your life more lazy and awesome by the touch of electronics. Check out awesome projects and learn how to build them easily and cheaply.


In this Instructable, I'll be showing you how you can build a really cheap and easy to make portable MP3 player. It supports all kinds of input format which includes Bluetooth, USB, AUX, SD Card and FM. It has a playback time of 6 hours and sounds reasonably well.

So without any further delay, let's get started.

Step 1: Watch the Videos.

The video contains detailed explanation of all steps for this build. You'll be able to make one for yourself after watching this video.

Step 2: Get Your Parts.

1. MP3 Decoder:

2. 2x 3 Watt Speaker

3. Bluetooth MP3 Player

4. PAM8403 Class D Audio Amp

5. 2x LM386

6. 2x 2200 uF Capacitor

7. 2x 100 nF Capacitor

8. 1x 470 uF Capacitor

9. 2x MT3608 Step Up Converter

10. 1Ah Lead-Acid Battery

11. 18650 Li-Ion Battery

12. TP4056 Li-Ion Battery Charger

13. SPDT Switch

14. Micro USB Breakout

Step 3: Build the Case and Do the Connections.

Refer to the layout for the case and the connection diagram for building the case and the making all the connections.

Step 4: Done!

Congratulations you have done it!

Enjoy your creation.

Thank you for reading.
Questions and comments are welcome. :)



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    8 Discussions

    Mechanical Pencil

    1 year ago

    have you tried using a Adafruit PowerBoost 500c or 1000c for power? i think it could be useful in this aplication cause it can take a 3.7 lipo/li ion battery and it has LEDs for charging, power, and lowbattery.

    3 replies

    i used to have the same power setup (not teh same but close components) but it was too big for my application. maybe with this advice you could make ti more compact and more portable. TNAKS FOR LISTNING!!


    1 year ago

    can you add a URL to link from Instructables to the video (I can't seem to find one)? this is the first time I've seen someone building the same thing I had an idea for, and I would really like to build this.

    1 reply

    Reply 1 year ago

    Part 1 -
    Part 2 -