Electronic Locks, and How to Beat Them
by as if
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THIS TUTORIAL IS NOT TO BE TAKEN AS AN ALL ENCOMPASSING GUITE TO DISABLING LOCKS. IF U GET CAUGHT BECAUSE U WERE TOO STUPID TO HAVE A BACKUP PLAN, U SHOULD NOT HAVE ATTEMPTED IT!!!
Hi, I was reading through the section on locks and security, and I was startled to find that there were no tutorials on breaking electronic locks. May B u think it can't be done. Well it can. All u need are a few simple tools.
how they work
First of all though, u need to learn how these locks work. Most electronic lock keypads work on a simple scanning matrix design. For those with an IQ less than 40, that means that the keypad is arranged in a grid and the rows/ columns have power connected to them one at a time, while the columns/rows respectively are checked for the presence of this connection. Giving the row and column of the key pressed, and therefore it's number.
overcoming adversity
There is a simple way to overcome this. Simply remove the keypad, and connect up transistors instead. Then use a cheap microcontroller such as a PIC16F84 available from places such as Jaycar electronics and Dick Smith's electronics (yes the same company who makes dickheads matches). The programming equipment can be built for as little as $15 or a commercial programmer costs about $40.
Configure this chip to cascade incrementing variables and this will give you the combination in under a minute.
Also, some security system will alarm if you put in the wrong code too may times, but if you connect a spare pin to turn off the power to the keypad before every new try, you should not have this problem.
note
Do NOT simply pull the keypad off the wall. Sometimes there are tamper switches. Insert some plastic in between the keypad unit and the wall and pull it all away together.
finally
If you are unsure, buy a cheap security pad for $20, and experiment a little. Saves being very embarrassed when the cops roll up.
Neway, enjoy!
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