GreatFET OneGreatFET One is a hardware hackers best friend. With an extensible, open source design, two USB ports, and 100 expansion pins, GreatFET One is your essential gadget for hacking, making, and reverse engineering. By adding expansion boards called neighbors, you can turn GreatFET One into a USB peripheral that does almost anything. Whether you need an interface to an external chip, a logic analyzer, a debugger, or just a whole lot of pins to bit bang,