iPhone Keyboard For All iPhones

29 03 2009

Earlier, an iPhone hacker has posted a very cool video in his blog that shows an iPhone is paired with an Apple Bluetooth keyboard. Though it’s just a prototype, undoubtedly, that solution will only work on jailbroken iPhone.

This time, PerceptDev engineers Zack Gainsforth and George Dean developed a hardware and software solution that allows you to type on any iPhone using infrared keyboards. Technically, according to PerceptDev, this is how they did that:

Zack used a Cypress PSoC microcontroller to emulate a simple modem, and then expanded it to detect an infrared signal or read from a USB host controller, which converts this signal to FSK for transmission to an iPhone.

George then created an iPhone application to decode the FSK signals to interpret the keyboard data and display the appropriate characters on-screen.

And, the cost of electronics are less than $20. PerceptiveDev will soon release the schematics and source code for this iPhone keyboard. Probably you can make one on your own. The developers also posted a video that demonstrates how you can type on iPhone via an external keyboard.

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