If you got the Wet Suit for your Drone to pick up the Moisture just put the Drone with the battery in the Fridgerator for 30 minutes and your good for any heat index,. You can also just place it on the AC Vent of the car or you can place it in...
That ESC module is almost always the Cause of Rain as its the Weakest Link on the Entire Board .
Phantomrain.org
Gear to fly in the Rain, land on the water.
There was an update , that bricked your drone if you have any sensor issues, with the drone before or you had a light that was out on the drone, that one update could be the issue.
Phantomrain.org
Gear to fly in the Rain. Land on the Water.