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SparkFun will be closed May 25, 2015 for Memorial Day. Orders placed after 2pm on Friday the 22nd will ship out on Tuesday. Thanks!

nathan.tomlin

Member Since: March 1, 2010

Country: United States

  • What is the maximum mp3 file size it will play? I need a constant tone and would like to make the mp3 as long/large as possible to minimize the frequency of glitches when it loops.

  • Ah, I had the same problem - computer I used was set to hide the extension, so I had my file name TRACK001.MP3.MP3. That’s a bit hard to troubleshoot because with that incorrect filename, you still get the 3 blinks on startup, but the trigger doesn’t work. It’d be nice if it didn’t blink.

No public wish lists :(