Posts by Farwah Nawazi

Making Printed circuit boards is not a simple task, it requires a lot of brainwork, hard work, and energy. The single PCB needs to go throug…

Introduction Wireless electronic devices can't work without batteries. Laptops, mobile phones, electronic gadgets, gaming devices, etc need…

Introduction Every public addressing events use a microphone and speaker, as it is an important part of any public event. In many events, sp…

Introduction Solenoids are technically electromagnets that convert electrical supply into linear motion. Solenoids and electromagnets are no…

Introduction Astable Multivibrators are oscillators that continuously oscillate between two states, providing two square wave output wavefor…

This is a water pump controller circuit powered by a solar panel. Also, there is a battery charge and discharge operation for the night. For…

Fluorescent Lamp Flashing Triggered in the Dark is a night circuit to be precise. The circuit switches on during the night and turns off as…

Introduction In this tutorial, we will make a "One-Touch to ON-OFF Switch". This effective switch can easily detect the touch of a person. H…

The telephone In-Use indicator is a simple circuit made using transistor 9014 and a diode bridge. It has an LED attached to it when a teleph…

Dual Day and Night Switch is a sensor-based project that serves both day and night. IC NE555, an LDR and relay switch makes up the dual nigh…

A power failure alarm circuit is a very useful circuit that helps in diagnosing the cut-off or absence of the main power supply during any e…

A LUX meter detects and distinguishes between the different intensities of light. For this purpose, the circuit uses two LM324 ICs and a few…

Introduction Are you tired of making regular projects and in the search of exciting projects? So, we are here again with a satisfying projec…