A few days ago, I came across a post on how to brute force attack the Mac EFI code, using a Teensy 3.0 card that emulates a keyboard. I found the idea interesting, I ordered a card and went to test it on an iOS device.
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Teensy 3.0 + header – Teensy 3.0 is a small, breadboard-friendly development board designed by Paul Stoffregen and PJRC. Teensy 3.0 will bring a low-cost 32 bit ARM Cortex-M4 platform to hobbyists, students and engineers, using an adapted version of the Arduino IDE (Teensyduino) or programming directly in C language. (read more)