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 ...

Codelocks enhances its Gate Solutions by Codelocks range with the addition of the XtraD Heavy Duty Gate Lock. Codelocks’ single-point, bolt-through, fixed gate lock is specifically designed for gates ...

Codelocks’ single-point, bolt-through, fixed gate lock is specifically designed for gates where a coded lock is the preferred method of entry for secured perimeters and outdoor areas. The XtraD Heavy ...