Resetting a Kwikset lock involves removing the battery pack and holding down a button, while changing the code can be done ...

Designed by a hacker, the "Combo Breaker" can figure out a lock's combination and get the thing open in less than 30 seconds.

[John Boxall] took a different route for a single-input combination lock. This unit uses a Ping ultrasonic range finder to input a four digit code. It’s a hardware upgrade, but uses the same ...

A four digit code is entered by pressing the button a number of times for the first digit, and waiting for a flash of an LED inside before moving on to the next digit.