A very interesting remote controlled alarm circuit using TSOP1736. Routing of an electric cable to attach a calling bell switch near the bed of an old age/patient is not a good idea. Here is an ultra ...

Manufacturing jobs are becoming more complex, including the maintenance of high-tech plant equipment. One strategy to help resolve worker shortages is to invest in technology, such as remote alarm ...

Alarm.com introduces a QR code–based Video Intercom Mobile Directory that enables low-cost visitor access and remote door ...

We’re all still pretty shook up at the passing of Eugene J. Polley, the inventor of one of the most important devices in the past 50 years: the wireless TV remote ...

With the ever-tightening security budgets nationwide, security managers must consider creative ways to maintain their programs without increasing the risks to the persons and properties for which they ...

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 ...