Posts by Fariha Zahid

If you are a student who has to make electronic projects, or someone who has to make them on a daily basis or repair electronic circuits the…

In this tutorial, we are making a project on a Fridge door alarm. In order to save the food stored in the fridge from spoiling and maintain…

In this tutorial, we are making a very easy and interesting project of a Simple metal detector using a CA3140 IC. There are lots of metal de…

In this tutorial, we are making a cold sensor alarm in the simplest way possible. We are using a 555 timer IC here, you must be familiar wit…

In this tutorial, we are making a very useful and interesting project of an Object counter. This circuit is simple and uses an LDR, a laser…

In this tutorial, we are making a project on a door security alarm circuit. This circuit is easy to make, inexpensive and so compact that it…

In this project, we are making a simple wire break or burglar alarm using 555 IC. This circuit is easy to make, inexpensive, and beginner-fr…

In this tutorial, we are making a project on Burglar / Intruder Detection Alarm using Infrared Technology. This circuit will detect burglary…

Regulated power supplies are the most commonly used devices in electronics, they have a variety of different voltages either positive or neg…

In this tutorial, we are making a project of an ultra-sensitive vibration sensor using a 555 timer and CA3140 IC. The purpose of this circui…

In this tutorial, we are making a project on a Proximity & Obstacle Sensor / Detector. The purpose of this circuit is to detect anything in…

In this project, we are making a 0.01Hz To 500kHz Adjustable Tone & Frequency Decoder Using LM567. This circuit detects a specific tone and…

Nowadays water shortage has become an alarming and common problem and the main reason that causes water shortage is the wastage of water. We…