Re: Defeating electronic padlocks ...
Posted: Wed Mar 03, 2010 5:24 pm
Why not chose bomb disposal for a short career ?
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Magic1 wrote:Why not chose bomb disposal for a short career ?
Solomon wrote:"Operation
Insert the key and turn clockwise to release the shackle and re-fit the shackle with the groove near to the key port. The lock will beep to indicate that the alarm is active. The padlock will be alarmed after 30 seconds. Turn the key anti-clockwise to lock the unit. The first time the alarm is triggered the unit will provide a triple beep warning. This allows you to unlock it without setting off the alarm. The next trigger will cause an alarm. To Turn Off The Alarm Unlock the padlock and remove the shackle."
So, if you move it to get at the keyway, it will perform a warning beep. If you move it once more, it's alarm time... I imagine picking would set it off, so you'd need to pick the lock by the time the triple beep has finished. Can't see that happening... but the circuit seems to be completed by the shackles contact with the padlock body. All you need is a way to interrupt the circuit somehow.
Magic1 wrote:"The purpose of the liquid nitrogen is to freeze the bomb to deactivate the explosive material contained in it. Moreover, if the bomb is activated by a triggering device powered by batteries, for example, the liquid nitrogen freezes all chemical activity in the batteries and thereby prevents the bomb from being activated. "
United States Patent 3721201
CO2 works as well and has the advantage of being readily available in fire extinguisher form.
@Riff
Deviation.
bouncer965 wrote:Solomon wrote:
What about giving it a shock with a megameter ?????
Magic1 wrote:"The purpose of the liquid nitrogen is to freeze the bomb to deactivate the explosive material contained in it. Moreover, if the bomb is activated by a triggering device powered by batteries, for example, the liquid nitrogen freezes all chemical activity in the batteries and thereby prevents the bomb from being activated. "
United States Patent 3721201
CO2 works as well and has the advantage of being readily available in fire extinguisher form.
@Riff
Deviation.