Signaling

Today's society is simply unthinkable without burglar alarms. Now there are many people who install branded alarms from intruders in their home or in another room. But not everyone

This book contains a description of 101 devices that are used for light and sound signaling, power circuit control, measurement and control in household and amateur equipment. Author

The book is intended for readers interested in the development of alarm systems. In addition to a large number of devices already developed, the author describes in detail the principles of development

An electronic watchman, in my opinion, will be useful for tracking intrusions into a small area of ​​a private territory. At the same time, a guard is required, for which, in fact, there will be

The protection of private property has always been an urgent problem. Nowadays, there are many ways to protect your values ​​or housing: you can hire security, put an alarm,

This review focuses on the manufacture of a water timer or delayed alarm. Such an alarm can be called an analogue of an alarm with a clockwork. Before manufacturing

In past materials, we examined many ways of manufacturing various alarms, but have not yet talked about making the most effective type of such security systems - laser.

It's no secret that the alarm system is often mandatory these days. In specialized stores, security and alarm systems cost a lot of money and not everyone can afford it.

Alarm these days is often a necessity. Unfortunately, most products of this category sold in stores are not affordable for everyone. It would seem that it was worth simply abandoning

Everyone wants his home to be well protected from thieves and burglars. Installing an alarm system through a company and paying all the time for it is quite expensive. Therefore, we offer you

Thieves got into the summer cottage? Or the neighboring guys strive to rob your apple trees or trample the beds, and there is no way to get a dog, then you just need an alarm.

Everyone wants to protect their own property, but modern alarms cost decent money, but you can make an alarm from improvised materials literally for a penny. All tools can

Is it possible to consider a thing protected if it doesn’t have any protective equipment on it or if an ordinary lock weighs? Of course not. The most popular protection is an alarm, but its cost is quite high, and

While camping, it is impossible to keep all personal items in the radius of a straightened hand. And leaving things outside the tent, it can be very difficult to sleep, since there is a possibility of theft. Especially for such