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Posts: 1,258 | Thanked: 672 times | Joined on Mar 2009
#14
Flashes are the battery charge chip signaling error.

Just connecting d+ d- together doesn't make bme think charging is happening..

However, having all pins properly connected and then disconnecting gnd or +5V might make the charger chip immediately stop charging, but enough voltage to remain for several minutes to make bme think there's external power available.