"Doug,
Thanks for working and releasing this! I think I finally got all my hardware straight and I'm looking forward to the Ardupilot firmware to go with it!"

"@Michael: Thank you for the explicit explaination. My confusion was that I thought the IMU + daughterboards connected directly to the arduipilot via the analog ins. This was the missing part I don't have:…"

"I'm sorry, I'm still confused I guess. Are you saying they are mutually exclusive? Like you can't use the shield with the ArduIMU?"

"I'm slightly confused about the pressure sensor and how it mixes in with this. It was mentioned that you need the shield for the pressure sensor, but that takes up analog 3. I'm using the V1 arduIMU and it takes up Analog 1-6 (including 3!). How…"