Locks come in a variety of types and designs to meet a wide range of security needs. While many locks use a simple key-and-tumbler design, some locks use technology that is significantly more advanced ...

The project shows the design of dual programmable keypad code lock that is based on a PIC16F452 microcontroller. The keypad has a cable length of up to 100m and up to two keypads can be connected to ...

Jeff Benjamin's favorite screen cleaner for Apple products. As noted in both our Level Bolt and Level Lock – Touch reviews, one of the appealing characteristics of these smart locks is that they look ...