Simple automatic security light system using LM7812

Automatic security light system

Introduction to automatic security light system An automatic security light system turns on when it senses darkness without anybody having to switch it on. In most houses, we use a manual security light system which has to be turned on manually. The major drawback of this system is that when no one is around to … Read more

Simple rain detector alarm system

rain detector alarm system

Introduction to rain detector alarm system A rain detector alarm system is a simple device that alerts households when it senses rainfall. In areas where rainfalls are common or during rainy seasons, it’s important that we get informed about rainfall on time so we make necessary arrangements before the rain starts falling heavily. The device … Read more

A simple battery charge controller

Battery charge controller

Introduction of battery charge controller Since the innovation of secondary cells, the Recharging of batteries has been made possible by passing direct current through them. However, challenges have risen on how to know when the battery is fully charged and to cut off charging automatically if the battery is fully charged since overcharging damages battery … Read more

Simple burglar laser alarm system

burglar laser alarm system

Introduction to burglar laser alarm system Insecurity is a common problem around the world. Properties are lost to burglars that invade people’s houses and silently cart away valuable things from their victims. Anti-burglar systems have been created over the years to prevent such occurrences but burglars always develop techniques to still get into the house … Read more

Water level alarm system using 555 timer

water level alarm system

Introduction to water level Alarm system Most households with overhead tanks tend to have a problem with overrunning water while pumping water into the tanks. This is a result of not knowing the quantity of water present in the tank and the whole process has to be followed manually. The person charged with the duty … Read more

Simple Fire alarm system using LM358

Fire alarm system

Introduction to fire alarm system One of the most devasting accidents is fire accidents. For home protection, it is important that a system is made available to be able to efficiently detect fire and notify the household of imminent danger. This simple fire alarm system was developed with exactly that in mind. It is very … Read more