Electronics
DC Ammeter : Construction, Working and Temperature Compensation
What is DC Ammmeter? A DC ammeter is the instrument used for measuring the direct current (DC) flowing through an electrical circuit and is connected in series to the circuit
Electrolytic Capacitor – Types, Construction, Polarity and Leakage Current
Electrolytic capacitors are one of the most commonly used types of capacitor. Their capacitance values range from about 1 μF to 6800 μF. Electrolytic capacitors are more popular because the
What is an Electrical Fuse? Types, Properties, and Application
An Electrical Fuse is a vital component of any equipment. It is used as an indicator of a defect in the system. It protects the equipment from overcurrent or overloading.
Introduction to PCB Assembly Process
PCB assembly is the process of assembling electronic components on a Printed Circuit Board (PCB). In this article, you will learn the PCB assembly process and its equipment in general.
Beginner Friendly Kits That Most Newbie Used In Electronics
Since electronics were created, electronic projects have become one of the most popular hobbies that existed. While the tools and components have become so advanced these days, the enthusiasm and
Charging and Discharging a Capacitor
Charging and discharging are the two main effects of capacitors. In this article, you will learn about charging and discharging a capacitor. When a voltage is applied on a capacitor
How Charge is Stored in a Dielectric?
Did you wonder how charge get stored in a dielectric material. Is it really possible? Yes, it is possible for dielectric materials such as air or paper to hold an
Open Loop and Closed Loop Control System (4 Practical Examples Included)
The open-loop control system and closed-loop control system are the two types of control systems that you will learn in this article with the help of 4 practical examples from
Miniature cells and Batteries – Silver Oxide, Mercury and Lithium Cells
In recent years, cells and batteries—especially cells—have become available in many different sizes and shapes besides the old cylindrical cells, transistor batteries and lantern batteries. In this article, you will
Types of Electric Current – Steady (DC), Varying & Alternating (AC) Current
The directed flow of free electrons (or charge) is called the electric current. The electric current may be classified into three main types: Steady current (DC Current) Varying current Alternating
Capacitors and Capacitance – Working, Unit, Types and Specification
In this article, you’ll learn about electrical components that oppose the flow of AC by temporarily storing energy as electric fields. These devices are called capacitors, and their action is
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 supply current is not critical it works okay. But for
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 engineering. They are intimately related. In this article, we used
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 multicolor RGB LED. Related Article: Working of Light Emitting Diode (LED)
Arduino DC Digital Voltmeter
A voltmeter is an instrument used for measuring electrical potential difference between two points in an electric circuit. Analog voltmeters move a pointer across a scale in proportion to the
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 when the power is turned off. For this reason, ROM
Controlling a Servo Motor with Arduino
A servomotor is also defined as a rotary actuator that allows for very fine control of angular positions. This article explains controlling a servo motor with Arduino in detail. Many
Potential Difference and EMF: Are they Same?
In this article, you will study the concept of electric potential, potential difference (PD) and electromotive force (EMF) and the difference between them. Just as a body raised above the
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 capacitors that are manufactured in many forms, styles, and materials. Understanding
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 light conditions in the surrounding area and switches ON-OFF the
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-time application. They share many common features and at the same
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 an electronic control assembly attached to it. They are provided
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 a device which is specifically meant for fulfilling this purpose.