Posts by Farwah Nawazi

Introduction A water level indicator, as the name implies, is a system that signals specific levels of water or other liquid, and it is used…

Introduction A joule thief circuit enables the battery to light an LED in the circuit even if that LED requires more battery power. For exam…

Introduction In this tutorial, you are going to learn How to make a 12 Volt 3 Ampere Power Supply. But, before making the circuit let us dis…

Introduction RGB LED has great usage nowadays, usually used for decoration for different occasions. For example, they can use it in stage li…

Introduction The weather has been known to be unpredictable. Although, rain is a source of affection for humans and soothes the soul of a pe…

Introduction We all buy key chains and many of us have a crazy fascination with them to buy. Thus, there are different kinds of key chains a…

Introduction A circuit that detects darkness or the absence of light is known as a darkness detector or dark detector. We can create differe…

Introduction Have you noticed that the lights switch on when you walk or be there in many places in today's world? Motion detection sensors…

Introduction A continuity test is important for any circuit. One broken wire can damage the whole circuit. The continuity test, as the name…

Introduction As we rely heavily on our mobile devices for communication, entertainment, and even work, running out of battery can be frustra…

Introduction Supercapacitors are becoming increasingly popular due to their high energy storage capacity and long lifetimes. However, chargi…

Introduction Lithium polymer batteries are the preferred choice of power source for electronic devices due to their lightweight, high energy…

Introduction If you own a classic car with a positive earth body, then you know the challenges of maintaining its electrical system. That's…