25/08/2026
The functions of each of these components in constructing PHCN ALARMS INDICATING SYSTEM, if you’re a student u can construct this as your project
1. 8pin delay time relay (Timer): this timer is the control units, acting as an on-delay or off-delay switch, its determined the seconds that the mini motor siren will generate the loud sound, the timer is rate from 0-60 seconds, you can control the timer base on the seconds you want your mini moto siren to generate.
2. 8pin relay base socket: this is where all the components are connected to.
3. Mini motor siren: the mini motor siren generate the loud sound , this is the audible load, this mini motor siren is different from buzzer. The mini motor siren covers a wide distance generating a loud sound unlike buzzer.
4. Led: the indicator lamp, this provides visual confirmation even after the mini motor siren cut the loud sound, the indicator light remains to gives a visual status that the power is active.
5. Plastic enclosure box: it serves as safety, so that user doesn’t get contact with live wires.
