homebrew iOS app-building fun? Well, Make's got a kit just for you that bundles the Redpark Serial Cable for iOS with an RS232-to-TTL board and the 60 plus component Minitronics Survival pack for $80. Hailing it as "the first general-purpose serial cable that Apple has approved," this limited supply pack will let you get your Arduino-tinkering hands all sorts of iPhone dirty -- jailbreak not required. And if you're the uninitiated type, the DIY magazine's also put together a helpful, hand-holding guide to walk you through some basic first-timer projects. Hit the source to order your own Jobs-certified cable.