Trackpad with an iPad 1 or 2

Used to do what, exactly?

I doubt it would work. The iPad doesn't have a cursor to control. As said above, what exactly would the trackpad do?

As already mentioned what would be the point. Without an on screen cursor it would be pointless. Not to mention it would defeat the purpose of having a touch screen device.

Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_3 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8F190 Safari/6533.18.5)

As mentioned above, what would be the point?

Lesson learned? Just because something has Bluetooth doesn't mean it will function properly with anything that happens to have Bluetooth.

The iPad bluetooth stack has no support for mice or trackpads (or a lot of other BT devices). If you jailbreak there is an alternative Bluetooth stack that you can install and then install mouse support on top of that (don't know if trackpad would be supported). It also adds a cursor