Discover the fascinating world of home security with our latest tutorial on creating an amazing door lock! In this DIY ...

This smart lock is designed to fit over your existing mechanism, upgrading it rather than replacing it. It comes in two main parts — a compact motorized lock unit and a separate keypad.

He is also the author of dozens of how-to books covering a wide spectrum ranging from Apple devices and cameras to photo editing software and PalmPilots. He drinks a lot of coffee in Seattle. I sat ...