PeterMooij:
Hey there,I'm having similar problems, wav-file not playing in combination with an LCD (16x2). WAV-files play ok stand-alone or in combination with an IR detetctor.
Are there any new insights on this matter?Regards Peter Mooij
Tuesday 15 oct 2013: Found the problem, had to do with short on internal memory. Changed a few Serial.prinln( to Serial.println(F( and it works!!!