Cottage industries

How to make an alarm

Alarms

Alarms are widely used in homes, companies, shops, factories and many others in order to maintain the security and protection of the building, and warn the owners and immediately warn them of a security breach of the building by issuing loud and disturbing sounds and clear lights, so that they in turn take the necessary measures for the security breach. The alarms have developed to meet the needs of companies, factories, banks and other buildings that are empty at night of their employees, and are more vulnerable to security breaches and thefts through the containment of modern alarms on advanced electronic chips that send signals and codes immediately and quickly in the event of a security breach to the devices. Especially with the security authorities and the police in order to take the necessary security measures.

How a simple alarm works

To make a simple-to-install alarm device, we need an electronic sound chip, which is a small device that emits sounds, and it can be obtained by planting the sound device in greeting cards that emit musical sounds when opened, which are widely available in offices and gift shops, when the electronic sound chip is removed. It must be taken into account in a proper way and not to damage any of its parts, especially the protruding paper part fixed at its end, which causes the sound to come out from the slide and the lighting of the small bulbs attached to it. We will also need a box made of wood, preferably small in size so that it does not Eye catching with its presence, high quality adhesive glue.

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After that, the electronic sound chip is affixed with adhesive glue on the surface of the wooden box, taking into account that the sound chip is affixed to one of the corners of the box so that the protruding paper part of it falls to the outside of the box and floats horizontally with the surface of the box. To test the effectiveness of the device, the wooden box is placed adjacent to the adjacent wall. The door of the main house or the door of the private bedroom from the side from which the door opens, so that the protruding paper part of the sound chip is in front of the door. snooped to it.

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The effectiveness of this device increases in bedrooms and narrow areas more than in large areas so that the alarm sound can be heard more clearly, and to create an alarm device that is suitable for wider areas and with better quality, all we need is an advanced electronic chip that emits very loud sounds that can be heard from afar.

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