Atualizado em Nov 27, 2015
V1.9:
Added variable history. You can now specify off, 30s, 60s, 120s or 300s for
history length independently for both altimeter and VSI instruments.
V1.8:
Fixed STOPPED being displayed on some devices even though data was clearly being received by the altimeter and VSI.
Fixed loss of graph contents when rotating the device.