Ever wished you could use the same technology that remotely unlocks your car with your front door? One clever college student did, and this DIY key-fob remote door opener accomplishes just that. We're ...

Gone are when you couldn't start your car's engine without a physical key. Modern vehicles today come with key fobs that are more useful than just starting your car and locking and unlocking its doors ...

DIYer Steve Hoefer has been hard at work making every 6 year old's dream come true: A device that unlocks your door whenever someone seeking entrance taps out the secret knock. His device, which fits ...