iPhone external keyboard without hacking, but on iPhone 2.0 SDK

Two PerceptDev engineers by the names of Zack Gainsforth and George Dean have been able to get an infrared keyboard working with their iPhone. At first, you may be thinking that they simply are using the 3.0 SDK with allows developers to communicate with devices plugged in to the 30 pin connector, but they aren’t. This hack simply uses less that $20 worth of hardware and an audio port modem. Check out the video after the break.