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Arduino WAV Sound Broadcast Module
If you use WAV sound broadcast module, you should recorded the WAV file in the SD card in advance, and Arduino is responsible for reading uncompressed audio file from SD card, and then sent to WAV module for broadcasting.
This module can use with Arduino IDC shield with special Arduino 6pin IDC cable, and it support plug and play.
With WAV files SD card ready, we can connect Arduino IDC shield with Arduino SD Memory module and then connect with WAV sound broadcast modules and Arduino :