Using a Lipoly Backpack
We designed a Lipoly backpack for the Pro Trinket (https://adafru.it/e0w) but you can also use it with the Sound Board!
Use the extra long header included to solder it over the USB jack, it connects to Vin, GND and BUS
The Lipoly backpack lets you plug in a lipoly battery of any size and recharge it over the MicroUSB connector, so it's
basically an all-in-one portable + rechargable system.
With the backpack, you can easily add an on/off switch, as well. (https://adafru.it/drN)
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