make very loud simple powerful alarm using dc motor life hacks ...

Many individuals, especially those who are profound sleepers, often find it challenging to wake themselves up in the morning. Conventional alarm clocks may not be efficient enough to awaken them ...

The 'Armageddon alert' system, first launched in 2023, has been deployed in emergencies, such as during the recent Storm ...

When you are standing close to an alarm clock, it seems quite loud. Moving away from the clock ... Another student could then be given a bell, drum or other instrument that could be hidden ...