In order for a thief to bypass a security system's interface, they generally have to see that interface in the first place. That's why Swiss scientists have designed an access code keypad which is ...

This series of monthly teardowns was started in early 2018 as an experiment, and since you fine folks keep reading them, I keep making them. But in truth, finding a new and interesting gadget every ...

The circuit was designed to illustrate the operation of an electronic keypad to be utilized in the burglar alarm system by having five keys as the security syntax. The circuit was designed to ...

Hey, folks - I'm looking for an inexpensive wireless security system that comes with (or can be used with) a keypad for arming/disarming the system, preferably wireless x10.<BR><BR>All of the ...