rain-alarm-project

A rain alarm project is a straightforward and useful project. It detects the rainwater and triggers the buzzer or alarm. In this tutorial, we have designed the rain alarm circuit by using 555 Timer IC. … Read more

Simple Rain Alarm Project

Temperature Controlled DC Fan

Introduction Nobody needs us to explain the importance of fans in our lives. Hey! I am talking about the electrical fans. The ones most of us cannot live without. But nobody can deny the fact … Read more

Temperature Controlled DC Fan

Simple-Overvoltage-Protection-Circuit

In this tutorial, we are going to make a “Simple Overvoltage Protection Circuit”. Over-voltages are all voltages that temporarily surpass the threshold value of the mains voltage. Overvoltage protection is a power supply feature that … Read more

Simple Overvoltage Protection Circuit