Basics

An Infrared light-emitting diode (IR LED) is a special purpose LED emitting infrared rays ranging from 700 nm to 1 mm wavelength. Different IR LEDs may produce infrared light of differing wavelengths, just...

Digital subscriber line (DSL) technology offers high-speed Internet service for homes and offices over telephone lines. It is unique because you can use the Internet and make telephone calls at the...

The 2 way switch acts as 2 switches that can control a single appliance. This is a 2 switch for a single appliance. You might ask a question here why we...

An operational amplifier or op-amp is simply a linear Integrated Circuit (IC) having multiple-terminals. The op-amp can be considered to be a voltage amplifying device that is designed to be used...

In this video tutorial, the presenter would be explaining about TRIACs. He would be covering the following topics, given below: Meaning of TRIAC Use of TRIAC Symbol of TRIAC TRIAC equivalent...

LDR (Light Dependent Resistor) as the name states it is a special type of resistor that works on the photoconductivity principle means that resistance changes according to the intensity of light....

Arduino is an open source electronics platform based on easy-to-use hardware and software. It has been used to implement all kinds of projects ranging from home automation systems to drones. An...

A miniature circuit breaker (MCB) automatically switches off the electrical circuit during an abnormal condition of the network means in overload condition as well as faulty condition. Nowadays we use an MCB in...

Before getting deep dive into the question which is more dangerous and which is more efficient we let’s talk about AC and DC. What is AC Current? The AC current changes its polarity...

Since its invention in 1897, the cathode ray oscilloscope (CRO) has come a long way in being used as a means to detect the presence of electrons. It is an integral part...