Posts by Fariha Zahid

Here we are explaining the project of a Touch & Knock sensitive smart soldering iron timer. The purpose of this circuit is to automatically…

Those who have to work with electronic circuits frequently whether at their workplaces or educational institutions need to have a continuity…

In this tutorial, we are making a project of a Simple moisture sensor using 555 IC. This circuit will detect the moisture and activate a buz…

In this tutorial, we are making a project of a daytime car headlight switch-on reminder. During the daytime, we often need to open the car h…

Here we are demonstrating a project of a simple contact-less reverse or backup alarm circuit. this circuit gets automatically activated when…

In this tutorial, we are making a project of a Simple sensitive knock sensor circuit. This circuit will blink three LEDs giving you a visual…

Here is an interesting and fun project of an electronic coin toss with a slow-down function. This circuit is simple and very useful, it is u…

In this tutorial, we are making a project on an automatic knock sensing code lock circuit. This circuit will require codes to activate the a…

Many times people forget to put the phone back on the hook properly due to which the telephone line goes busy and you can miss some importan…

In this tutorial, we are making a project on an automatic water pump controller (transistor-based). This circuit is a low-cost version of an…

In this tutorial, we are making an Adjustable timing pulse generator circuit. The circuit looks a little complicated but if you follow this…

In this tutorial, we are making a project of mains power come back alarm. Mains power goes off for various reasons some times because of tec…

In this tutorial, we are making a project of dual-time delay relays using 556 IC. The 556 is a dual timer IC that has two 555 timers in a si…