While the iOS platform remains far from 'open,' Apple gave Redpark's cable its official stamp of approval. That means unlike previously, you won't have to jailbreak your iPhone to connect it to an ...

This board also features 128 MB of RAM, 8MB of Flash and the usual compliment of Arduino pins in a Leonardo-compatible layout. Also on the SoC is a PCIE bus, Ethernet, a USB 2.0 host, and an SD card.

By plugging a USB cable into the Arduino, he now had a trackpad that could plug in anywhere as a USB trackpad. Watch [Build It] put it all together step-by-step in the video below.