This is a tutorial which shows you how you can
Everyone is so excited about tethering the iPad 2 to a projector, admittedly very cool, that we have missed something else at least as good if not even better! Go all the way: make the iPad 1 or 2 into a complete interactive whiteboard solution!
If you already own an iPad, computer, and projector, this can be done for less than the cost of Apple's new Digital AV Adapter for the iPad 2. Ok, full disclosure: this solution only costs 2 cents less than the adapter. But for tethering with the Digital AV Adapter, you also have to purchase an HDMI to VGA cable too!
You can complete from the source site :