Electronics

Constant Current Driver Design based on LM317

Using a resistor to limit the current can be used for small LEDs. For such low power LEDs, where the ...
Read More

What Are Current, Resistance and Voltage?

Voltage, current, and resistance are three properties that are fundamental to almost everything you will do in electrical and electronics ...
Read More

How Multicolor RGB (Red Green Yellow) LEDs Work?

A Light Emitting Diode that emits one color when forward biased and another color when reverse biased is called a ...
Read More

Working of Light Emitting Diode (LED)

A light-emitting diode (LED) is a diode that gives off visible light when forward biased. Light-emitting diodes are not made ...
Read More

Arduino DC Digital Voltmeter

A voltmeter is an instrument used for measuring electrical potential difference between two points in an electric circuit. Analog voltmeters ...
Read More

What is Ladder Diagram and How to Draw a Ladder Diagram?

This is a continuation of the previous article (Introduction to PLC Ladder Programming) in PLC Programming series. Please go through ...
Read More

Introduction to PLC Ladder Programming

We have already discussed the introduction to programmable logic controllers. Please go through it before reading this. In this article, ...
Read More

Types of ROM | PROM, EPROM, EEPROM, Flash EPROM & Mask ROM

What is ROM? ROM stands for Read-only Memory. It is a type of memory that does not lose its contents ...
Read More

Controlling a Servo Motor with Arduino

A servomotor is also defined as a rotary actuator that allows for very fine control of angular positions.Many servos are ...
Read More

Different Types of Capacitors and their Uses

Basically, a capacitor is formed from two conducting plates separated by a thin insulating layer. There are different types of ...
Read More

Arduino based Automatic Light Controller

The automatic light controller offers energy saving and convenience in the areas with a photosensor (LDR). LDR senses the ambient ...
Read More

Difference b/w Microprocessor and Microcontroller

The term microprocessor and microcontroller have always been confused with each other. Both of them have been designed for real ...
Read More

How to Make a Digital Lock Using Arduino?

Digital code locks are most common in security systems. An electronic lock or digital lock is a device which has ...
Read More

Design a Power Supply Circuit – Simple to Complex

No electronics can run without power, to be precise a low voltage DC power, and a power supply unit is ...
Read More

An Introduction to the Arduino for Beginners

What is Arduino?Arduino is an open-source platform used for building electronics projects. Arduino consists of both a physical programmable circuit ...
Read More

Insulators, Conductors and Semiconductors (with Band Diagram)

Solid state materials can be classified into three groups: insulators, semiconductors conductors. Insulators have no free charge carriers available with ...
Read More