iPad Camera Connection Kit not working with iOS 4.2

The iPad Camera Connection Kit let you plug in your camera or card and transfer your pictures and video. But some iPad users find that iOS 4.2 has made the USB portion of the camera kit useless for many USB devices that were previously supported. This is iOS 4.2 bugs and seems to boil down to the amount of power. Hopefully Apple will fix the issue in iOS 4.3.