Open Source Arduino Compatible Audio Player
created by William (Guilherme) Kalfelz (c) 2017
Uses the flash memory: Winbond W25Q64 BVAIG - DIP (64 Megabits - 8 Megabytes) Sound is done using PWM on pins 9 and 10. A Serial connection is used to send audio data to the device, which them can be auto-played by the device. It uses 10 bit audio at 22038hz sample-rate. The current code playes sound 1, wait 40 seconds them play sound 2. Once it finishes up playing sound 2 it shuts down.