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
Introduction to operational amplifiers An operational amplifier also referred to as an op-amp is a high gain Dc voltage amplifier, meaning it can use a very small voltage difference between its input to control a much larger voltage at its output usually 100 thousands of times larger. operational amplifiers come in different package types and … Read more
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
