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Basics

This section features all the Basic Electronics articles which will be very useful for Engineers, Electronics Enthusiasts and for those who have just started learning about Electronics.

inverting & non-inverting amplifier

Inverting & Non-Inverting Amplifier Basics

An “ideal” or perfect operational amplifier is a device with certain special characteristics such as infinite open-loop gain, infinite input resistance, zero output resistance, infinite bandwidth and zero offset. Operational amplifiers...
16x2 lcd pinout

How 16×2 LCDs work | Build a basic 16×2 character LCD

We come across LCD displays everywhere around us. Computers, calculators, television sets, mobile phones, digital watches use some kind of display to display the time. An LCD is an electronic display module...
Operational Amplifier

Op-Amp Basics: What Is An Operational Amplifier?

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...

IR LED | Infrared LED | Infrared Sensor

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...
GSM Module

All You Wanted to Know About GSM Module and GPRS Module

Before we get into what a GSM module is, let us get our fundamentals right and understand what GSM and GPRS are. A GSM module or a GPRS module is a chip or...

Do PWM-Based AC Control Circuits Using MOSFETs Require ZCD Circuits?

There are two common types of zero-crossing detection (ZCD) circuits: operational amplifiers and passive circuits comprising resistors, capacitors, etc. ZCD circuits are used for detection of zero voltage reference point in...

IC 555 Timer Working: Pin Diagram & Specifications

The 555 timer IC is an integral part of electronics projects. Be it a simple project involving a single 8-bit micro-controller and some peripherals or a complex one involving system on...

What Are Real-Time Clock (RTC) Chips?

An RTC is an electronic device, generally an integrated circuit (IC), which keeps track of the current time and maintains accurate time in electronic systems. It is basically like a timepiece...

What Is OpenHab Technology? How To Build Automation On This Platform?

Open Home Automation Bus or openHAB is an open source home automation project started in 2010. It is a Java-based project supporting various home automation technologies and devices. It requires a...
Which Current Is More Dangerous, AC Or DC

Which Current Is More Dangerous, AC Or DC?

Have you ever had an electric shock? Well, many people think that DC current is more dangerous than AC current as far as an Electric shock is concerned. To find out...

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