How two Ardupilots died in one weekend. Yes I was so proud. I had a perfect working ardupilot. I was going to attach my just arrived Z sensor. Then Murphy law kicked in. When a friend was over I showed him my ardupilot. and the working. The positive power line of the lipo accu was not perfectly isolated and made contact with the back plane of the ardupilot. Yes it fried it. :-( . No swet I have…