Live like a Terminator; replace your fingerprint with an iButton
By Dave Prochnow
Posted 03.10.2008 at 3:38 pm 2 Comments
What the heck is an iButton, you ask? Manufactured by MAXIM Integrated Products, Dallas Semiconductor, an iButton is a fingernail-sized computer chip housed inside a stainless steel can. This can acts as a unique conductive connection that enables the enclosed computer chip to form a speedy 1-wire interface with a PC, PDA, or embedded computer. Throw some software into the mix and you have a handy data ID without the messy airborne detection problems that are commonly associated with RFID.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.