Jordi and the team have diagnosed the issue users are having with the reset button on the ArduPilot Mega IMU shield not working. Here's what we've found: 1) This is due to a conflict with the FTDI chip when the USB cable is plugged in. It is not an issue in the field, when the board is powered the normal way, with the ESC. 2) If this troubles you, we will be releasing instructions on how to modi…