But that project only showed you how to interface the Arduino with the keypad — [Doug] went the ... to send text messages to himself when the alarm system is armed, disarmed, or triggered.

100% Fingertip or PC Programmable with familiar Trilogy method. 2 High-Current Rated 10A Relays for entry, alarm zone shunning or lock release by real-time schedule. Timed Egress Input allows door ...

KeyPad Fibra is a touch keypad for controlling the Ajax security system. It controls the security modes of the entire facility or individual groups, and activates the Night mode. You can control the ...

This certified refurbished 8-piece Ring Alarm kit is ideal for smaller spaces and is available at $110.99. Designed for one- ...

Smart Locks: Smart locks feature the basics of electronic deadbolts and add connectivity. As a general rule, they’re more ...

The best DIY security systems in our tests protect your home well with core features such as keypads, smartphone apps, and remote sirens, but most of the systems we tested showcased weak data privacy.