This $80 lock won’t work with your phone—or your smart home system—but it is a sturdy and secure way to add PIN-, fingerprint-, or key-controlled access to your entry doors. Brinks is probably the ...

Using eight digital inputs, this circuit simplifies decoding of the common membrane 4x4 keypad matrix and eliminates the traditional requirement of scanning rows or columns. Any X-Y switch matrix, ...

KeyPad Plus is a wireless touch keypad for managing the Ajax security system with encrypted contactless cards and key fobs. Supports “silent alarm” when entering the duress code. Manages security ...