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 file type includes high resolution graphics and schematics when applicable. The continuous introduction of new technologies and the growing Internet of Things (IoT) is creating new opportunities ...

Philips’ entry-level electronic deadbolt lacks any wireless features, but it’s better than the average dumb lock and it doesn’t cost much. Philips makes a vast range of smart home gear, but it only ...

Codelocks has extended its CL5000 electronic lock range with a new Do Not Disturb (DND) range. The new CL5000 DND range prevents interruptions and unwanted access to locations where controlled privacy ...

This guide was reviewed by a Business News Daily editor to ensure it provides comprehensive and accurate information to aid your buying decision. At least one of your employees is bound to lose their ...

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 ...

Always misplacing your keys? With electronic locks more commonly available on the market today, all you’ll need is either your fingerprint or a password for access. We’ve rounded up five of our top ...