Merge pull request #33 from adafruit/3.3-battery-voltage

Fix multiplier for battery voltage

Author: makermelissa

adafruit_magtag/peripherals.py

@@ -83,7 +83,7 @@ def play_tone(self, frequency, duration):
     @property
     def battery(self):
         """Return the voltage of the battery"""
-        return (self._batt_monitor.value / 65535.0) * 2.6 * 2
+        return (self._batt_monitor.value / 65535.0) * 3.3 * 2
 
     @property
     def neopixel_disable(self):