SimpleSDAudio - Play audio files with your Arduino in decent quality from SD card, only very few additional hardware required. == Features ==* 8-Bit PWM output* 62.500 kHz (Fullrate) / 31.250 kHz (Halfrate) sampling rate @ 16 MHz * 31.250 kHz (Fullrate) / 15.625 kHz (Halfrate) sampling rate @ 8 Mhz * RAM usage ~1.3 kByte* ROM usage ~6.1 kByte * integrated SD library (minimal FAT only, optimized for low RAM usage and high performance)* Easy to use: 1. init library, 2. select audio file, 3. call play, 4. call worker while audio is playing == Background ==