Introduction to Doorbell Circuit Ding dong!! There goes the doorbell. So, Like this previous verse, we have heard and read so much poetry related to doorbells. In other words, that’s the most common thing. Also, … Read more
NE555 Timer IC

In this tutorial, we will show you how to make a Panic/Emergency Alarm circuit using some of the basic electronic components. This circuit can be used to send an emergency signal immediately to people in … Read more