Seidle, the founder of Niwot, Colorado, received a gift from his wife last Christmas—a fire safe. Since it was a second-hand item, the safe had been locked by the original holder and the password had been forgotten, so Seidle intended to open the safe himself. After a period of hard work, Seidle and his colleagues DIY a fully automated robot that automatically runs and opens the safe in just 15 minutes, which is amazing.
Seidle currently works at SparkFun, and he has extensive experience in making gadgets and robots. According to WIRED, the Seidle team invented the gadget that opened the safe for a total of about $200, including a $20 motherboard, a $40 motor, an aluminum frame, 3D printing components, and a link to insurance. A scale on the dial of the cabinet. The target safe password they want to open may have a million combinations (100x100x100). If you open a combination every ten seconds by hand, then a million combinations will take nearly 4 months.
At first Seidle tried a password for up to 4 seconds by shortening the time the robot tried the password, but the efficiency was only reduced by 1/3. After that, Seidle discovered a trick that he used in the design flaws of the safe itself. The password groove will be narrower than the other grooves, and the difference is not visible to the naked eye, and then Safecracker tries to guess the password with a slight pressure sensing. From this point of breakthrough, the robot can open the safe in just 15 minutes.
Seidle said that although their DIY small device was successful, it was limited to this second-hand target safe. If it is a higher-end safe, the robot is estimated to have no way. Seidle encourages robotics enthusiasts to improve his products through DIY. He said: "I don't know if I will copy my robot, but I want people to participate and apply its existing capabilities to create different models."
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