The idea behind this compact and economical Vibration Sensor Alarm is very simple. It uses a cheap and cheerful vibration sensor to drive a piezo-sounder. As can be seen in the circuit diagram, it is ...

Window sensors are a critical part of any home security system. When cameras fail, a window sensor becomes your last line of defense. Install them on all your windows, and you will know when an ...

Ultra simple circuit of the tilt sensor alarm presented here can be fabricated using readily available inexpensive components. The circuit is a true transistor based design. Home made Tilt sensor for ...

Anyone with with an old, dead home security system can give their wired sensors new life—but prepare to get into the weeds to set up a Konnected system. Homeowners with old, wired alarm systems often ...

DIY home security users know wireless, modular alarm systems are convenient, easy to install, and work about as well as many commercial options. Ring has been one of the leaders in home security and ...