Modifications

* '''PB''' - this is the 'Power Button' pin, which we use for testing. Just leave it disconnected for use.

* '''PB''' - this is the 'Power Button' pin, which we use for testing. Just leave it disconnected for use.

In general, you'll only want to power through the Vin and GND pins. The Vin input pin is polarity protected and can use 3V-5.5V DC input. If you want to use a larger voltage, you'll need another regulator that can bring the voltage down to 3-5V DC

In general, you'll only want to power through the Vin and GND pins. The Vin input pin is polarity protected and can use 3V-5.5V DC input. If you want to use a larger voltage, you'll need another regulator that can bring the voltage down to 3-5V DC}}

{{ADFImage|ADAFRUIT-AUDIO-FX-PinOut-10.jpg}}

{{ADFImage|ADAFRUIT-AUDIO-FX-PinOut-10.jpg}}