Sometimes due to power failure, our home appliances burnt or our work stoped badly.  To overcome this problem we have to use alternate power to

How to connect a car battery or DC Circuits In this article, we will teach you how to connect a car battery. Polarity tester electronics

LM358 is an 8pin operational amplifier IC available in different packages. The most commonly used package is the 8pin dip package. This IC is consists

LM3914 is an analog controlled LED driver IC, launched by the national semiconductor in 1980. It can control 10 LED lights based on an analog

PIR sensor is an electronic device that allows you to sense motion.  It is used to detect motion whether a human has moved in or

C945 is a general-purpose NPN transistor that widely used in a variety of commercial and educational electronic circuits. It comes in a TO-92 package, this