Authors: ROKO BOGDANOVIĆ and DAVID KRZNAR
Mentor: DANIJEL ESKERIČIĆ, mag.ing.el.
School: ELEKTROTEHNIČKA ŠKOLA ZAGREB
The evacuation siren is an innovation that consists of an arduino, a preamplifier, a siren and an LCD screen.
The purpose is as follows:
Quick warning of danger with a loud sound and an audio warning that an evacuation is in progress, followed by a written warning on the LCD screen and LEDs.
The sound of the siren can be stopped or started at any time.
It is also possible to change the print on the LCD screen.
It works on a 5V power supply.
The sound of the siren is extremely loud and clear.
This type of siren is significantly cheaper than other evacuation sirens and its size can fit anywhere.