Opening the 30-year-old unit, he probed a row of screw terminals and identified a 13V supply, ground, and the connection to the buildings’ door lock. He connected the lock terminals to a relay ...

Homeowners are choosing smart locks over electronic locks time and time again—in fact, more than 12 million households have ...

Forget keys! The best smart locks we've tested are secure, easy to install, and provide several convenient ways to control who can access your home and when. I'm PCMag's managing editor for ...

Many newer cars have replaced the tried-and-true door handle with complex electronic versions ... has an emergency door ...

Instead of a simple, familiar mechanical latch, it’s now common for a car’s exterior door handles to remain flush against the door until the car is unlocked, requiring an electric motor to open.