Adafruit Wave Shield for Arduino Kit (v1.1)Adding quality audio to an electronic project is surprisingly difficult. Here is a shield for Arduino 328's that solves this problem. It can play up to 22KHz 12bit uncompressed audio files of any length. It's low cost, available as an easy to make kit. It has an onboard DAC, filter and op amp for high quality output. Audio files are read off of an SD MMC card, which are available at nearly any store. Volume can be controlled with the onboard