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Adafruit Wave Shield for Arduino Kit

SKU: ZO-734
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Adafruit Wave Shield for Arduino Kit

Are you having a problem in adding audio to an electronic project?
You’re looking in the exact right place! This shield can play up to 22KHz, 12 bit uncompressed audio files of any length. The cost of it is low; it’s also available as an easy-to-make kit! It also has a very interesting property which is that is has an on board DAC, filter and op-amp for high quality output. The audio files are read off of an SD/MMC card, which are available anywhere. The volume can be controlled with the on board thumbwheel potentiometer.
Do you know what else is super cool? You will actually receive this kit with ALL parts needed for building it.
Notice that Arduino, SD card, tools, speaker and headphones are not included, also, it’s fairly easy to construct and anyone with a successful soldering project under their belt should be able to build it.
The shield comes with an Arduino library for easy use; simply drag uncompressed wave files onto the SD card and plug it in. Then use the library to play audio when buttons are pressed, or when a sensor goes off, or when serial data is received, etc. Audio is played asynchronouslyas an interrupt, so the Arduino can perform tasks while the audio is playing.

 

  • Can play any uncompressed 22KHz, 16bit, mono Wave (.wav) files of any size. While it isnt CD quality, it is certainly good enough to play music, have spoken word, or audio effects. Check out the demo video/audio at the webpage
  • Output is mono, into L and R channels, standard 3.5mm headphone jack and a connection for a speaker that is switched on when the headphones are unplugged
  • Files are read off of a FAT16/FAT32-formatted SD/MMC card 
  • Included library and examples makes playing audio easy
  • Please note that the library is rather bulky, requiring 10K of flash and more than 1/2 K of RAM for buffering audio. It works fine using an yATmega328-based Arduino (Duemilanove, Uno or compatible).
  • This shield is not Mega or Leonardo compatible!

More information, including design notes, schematics, library, examples, etc is at the Wave Shield webpage

Technical Details

Details:
  • Dimensions(assembled): 69mm x 65mm x 13mm (2.7in x 2.5in x 0.5in)
  •  Get this product and much more from us whether you’re in UAE, Oman, or Qatar using PayPal or Cash on delivery.


Downloads:

Arduino WaveHC Library

Arduino AF_Wave library

Download the latest library here (currently: Feb 18, 2008 which now supports the 328P and arduino v13 under mac and windows & probably linux)

For information how to use and install libraries, see our tutorial! Then check out the examples for how to use it.

Before you try to play audio, you'll want to free up some Arduino RAM, so that you don't end up with a nasty stack-overflow. Follow these instructions on how to get more RAM by reducing the input Serial library buffer.

The library is based off of Roland Riegel's AVR FAT16 code, but pared down quite a bit to reduce flash and RAM usage. There are also some strange optimizations to make it play audio better.

Demo waves
Schematics & Layout



Wave Shield Tutorial:

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