Posts by Fariha Zahid

In this tutorial, we are making a super-sensitive vibration sensor switch circuit. This circuit will sense the vibration and sound around it…

In this tutorial, we are going to show you two different projects of Simple burglar alarm circuits. There are lots of burglar alarms availab…

You have heard of light detector LED circuits, today we are going to explain how you can make a Dark detector LED circuit. Using this circui…

If you are looking for a project that is fun and fulfills your educative purposes too then this is the ideal project for that. Here is a tut…

In this article, we are going to learn how to make an Automatic ON-OFF Buzzer Using a 555 Timer. A buzzer is a high-frequency oscillator cir…

In this article we are going to demonstrate a simple and interesting project of a light-activated LED circuit, using an LDR and photoresisto…

In this tutorial, we are going to make a circuit of dark-activated LED blinkers, the purpose of this circuit is to turn the LED ON when it g…

This is possibly one of the smallest and easiest DIY circuits. I am going to show you how to make a simple LED flasher circuit. This circuit…

In this tutorial, we are going to show you how to make a 555 LED flasher circuit. This project is ideal for beginners who want to get acquai…

This is a project of a low current triggered relay that is used to trigger a relay switch with only 5µA current. It is done by using a bista…

In this tutorial, we are going to demonstrate an easy and interesting DIY project that is a sound-activated switch. This circuit can activat…

In this tutorial, we are going to make a simple LED driver circuit. This circuit is used to drive different kinds of high-power LEDs of diff…

Power failure is common everywhere, therefore an emergency light always comes in handy. Today we are going to demonstrate a power failure li…