Instructables

How to use WTV020SD-16P with Arduino

WTV020SD-16P is an excellent module for adding music on to electronic projects. The module can be used with/without Arduino.

There are several things to be considered while working with this module. For example, it works with only 2GB microSD card and it supports only AD4 format music file.

Check this tutorial to know about AD4 file format and other important issues of this module.

I found that the module works in two different ways:
a. MP3 mode (Without Arduino): In this mode, AD4 format music files are played by basic connection. This is the simplest mode.
The following experiment photo depicts the MP3 mode of wtv020SD-16P.

WTV020SD Music Module with Audio amplifier

You can also check the following tutorials.
a. Mp3 mode circuit-basic.
b. Mp3 mode circuit with LM386 based audio amplifier

WATCH THE VIDEO:


b. With Arduino: This music module also works with Arduino giving more flexibility in control over your music files.
Watch the video:



You can get details of the above experiment on the following pages:
a. Experiment 1- Arduino and WTV020SD-16P
b. Experiment 2
c. Library
bobbokop8 months ago
Tried with 1Gb and worked properly.
What actually made me waste some time was the naming convention of the file. I had to check the specs to find out that the ad4 files should be named 0000.ad4, 0001.ad4 and so on...

Thanks.
mattotone10 months ago
Id like to add the importance of the SD card.
I ordered a Sandisk 2gb from amazon market, It did not turn up in retail packaging but was recognised by the PC.
Loaded the sample files and used the module without the arduino for simplicity. It did not work and believed the SD card to be FAKE!
Ordered another sandisk 2g card from a highstreet retailer in packaging, exact same setup and it now works properly.

IN summery make sure the card you order is Genuine theres lots of sandDisk fakes around.
http://i303.photobucket.com/albums/nn135/chathusrilanka/Arduino%20Forum/Schematic.jpg

Mp3 mode wiring diagram. Only need pins 4 5 8 16 13 for basic test.
music will play as soon as button on pin 13 is pressed.