Igloohome just added another smart lock to its lineup, this time a Smart Padlock that unlocks with PIN codes or Bluetooth keys. The Igloohome Smart Padlock launched an IndieGoGo crowd-funding campaign ...

It's not that hard to crack a Master Padlock, so you may want to step up your security if you're looking to lock things down. The Dialspeed Padlock sports a digital interface in lieu of the usual dial ...

The main principle of this circuit is that the door lock opens only when the buttons in series are pressed at a time. We can use it to lock the doors and for other security purposes. This article ...

This simple code lock circuit described here is of an electronic combination lock for daily use. It responds only to the roght sequence of four digits that are keyed in remotely. If a wrong key is ...