Posts by Farwah Nawazi

Introduction What if you require an adjustable voltage for the electronic application you're making but you only have fixed AC voltage avail…

Introduction Field strength meters are basically the circuits that detect the radiofrequency field. In other words, their basic purpose is t…

Introduction The output of a microprocessor or microcontroller in a low-power circuit is very low. It is sufficient for an LED to flash, but…

In this tutorial, we are going to make a "Main Power Interruption Alarm". A power supply interruption alarm is a circuit that prevents a fau…

Introduction Just suppose that you have an exam the other day and your area has faced a load-shedding problem. Now, its a nighttime, and you…

Introduction Light-emitting diode (LED) is widely used in electronic circuits and devices. But, in past, they are usually utilized as indica…

Introduction We've talked about power supplies in a lot of our articles, and we've built a lot of different power supplies. A power supply…

Introduction A power saver is a device that connects to a power socket. Simply maintaining the circuit will minimize your power consumption…

Introduction In many of our articles, we have discussed the power supply and we have also made many kinds of power supplies. And, as you kno…

Introduction Both over and under voltages are damaging to any device or circuit. Light flickers can be caused by low voltages, while high vo…

Introduction While listening to the music, you hear a lot of instruments, sometimes played together at a time. If we play all the musical in…

Introduction In this tutorial, we are going to make an "Automatic Temperature Controlled Switch". It is designed to manage electric applianc…

Introduction In a world where there is so much instability, we are always at risk of being caught by a fire ( because of so many parameters)…