[Andrea] just sent us this great student hack he made for his room. He’s constructed an Arduino keypad door lock — without using any proper fastening hardware! The entire build is made out of scrap ...

Traditional mechanical lock vs Smart electronic lock? This is a time when we are abandoning physical mechanical locks and keys, and embracing biometric keys and electronic locks. But the revolution ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Doug Mahoney Doug Mahoney ...