A 3D printed robot has arrived that can crack a combination lock in as little as 30 seconds. California hacker Samy Kamkar who is expert in cracking locks has built a 3D-printed machine. Kamkar posted a step-by-step video on how to assemble the $100 worth of parts to create your own Combo Breaker. The hacker has also released the plans, 3D models, and code of Combo Breaker online for free as open source. The necessary hardware includes a. 3D printer to create the frame, the stepper driver and motor, an Arduino microprocessor, a 500mAh 3S battery and a breadboard.
Source: https://thehackernews.com/2015/05/password-combination.html