The dialler head transmits torque to the dial via a piece of heavy duty surgical tubing. 'We used a custom stepper motor to rotate the dialler head. 1-2 numbers 'off' the correct number) - this also allows the number of combinations that have to be run through significantly reduced the degree of error tolerance of the lock (almost every lock will allow a certain amount of error when dialling combinations - e.g. The distance between each number on the combo dial) altering the amount of degrees the stepper motor has to turn to reach each combination (i.e. changing the lock type/mechanism to adjust the way in which dial is turned accordingly (e.g. It would be great to be able to have some form of method of: There are some considerations that will optimise the software, the main being that due to the physical constraints of the locks themselves, a number of combinations can't actually be used due to the physical constraints of the mechanism - these combinations can be excluded (there are a number of calculators to perform this for each type of lock). I'm hoping to collaborate with someone who has the skills to pull of the Arduino side of things. I understand what's required from a locksmithing perspective, but don't have enough skills to build the device itself. Secondly, the idea of building such an incredible device is very exciting to me. I would really like a safe for our house, so I can put our goodies in it when we go away for peace of mind. The ones they've lost the combos for - just the price of scrap metal. The ones they know the combination for are very expensive. My motivation/s - in my town, we have an ex government furniture store that sells all kinds of things, including safes. (a project undertaken by a couple of MIT students, using a microprocessor and optical encoder and stepper motor (interfaced to the combination lock with a piece of rubber tubing) What I would really like to build is a safe auto-dialler/brute force combination cracker/robotic safe dialler - similar to the following:

I love the challenge of opening a lock - there's something very thrilling about it. I don't have a great deal of experience building Arduino projects, but I do have experience tinkering with locks (as a hobby). I feel very strongly about theft, and feel that thieves (particularly those who steal from individuals) are the lowest of the low.

Let me preface my post by saying that I DO NOT commit any crimes with my skills (or any crimes for any reason for that matter) (NEVER HAVE & NEVER WILL), nor to I intend to - I work in a job that requires extensive background checking and my job and life/reputation are too important to me to even consider doing anything criminal - not to mention breaching my own ethics.

Safe cracking auto dialer