Md Nazmul Islam
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An expert in Electrical & Electronics engineering, I combine my academic background with hands-on experience to craft insightful content. Collaborating with the Voltage Lab team and skilled educators, I’m passionate about sharing research-backed knowledge to empower others in the field.
Semiconductor
A semiconductor is a material that has electrical conductivity between that of a conductor and an insulator. It can conduct electricity under certain conditions, such as when energy is applied, making it essential for electronic devices. Silicon is the most commonly used semiconductor. Semiconductors are the foundation of modern...
Series & Parallel Circuit
Series Circuit:
In a series circuit, components (e.g., bulbs) are connected end-to-end in a single path. If one component fails, the entire circuit breaks, and all components stop working.
Parallel Circuit:
In a parallel circuit, components are connected across multiple paths. If one component fails, the others continue to work because the...
Alternating Current
Alternating current (AC) is a type of electric current where the flow of electrons, or charge carriers, periodically changes direction. Unlike direct current (DC), where electrons flow in a single, constant direction, AC reverses its direction at regular intervals multiple times per second.
In simpler terms, during one cycle, the...
TFT LCD Display Module 3.5 Inch with Touch: Setup, Pin Configuration
The TFT LCD Display Module 3.5 inch with Touch is an essential component for interactive automation projects. With its ability to display vivid texts and images and provide touch functionality, it opens up exciting possibilities for user interaction. This module also features an SD card slot for reading and...
Electrical Cable: Types, Electrical Standards & Proper Sizing
Electrical Cable is essential components in both electrical and data communication systems, serving as the conductors through which current or data flows. They come in various types, each designed for specific purposes and performance standards. Whether it's coaxial cables for TV connections or fiber optic cables for high-speed data...
Building an Arduino Based Automatic Door Lock Using IR Sensor
In this project, we will create an Arduino based automatic door lock system that utilizes an IR obstacle sensor to detect the presence of someone in front of the door. The door will automatically unlock when the sensor detects an obstacle and remain locked when there is no one...
What is a Different Types of Capacitors and Applications
Capacitors are fundamental components in both electrical and electronics systems, widely used in circuits for storing and regulating electrical charge. From paper capacitors to variable capacitors, each type plays a specific role based on its material composition and function. Understanding the characteristics and applications of these capacitors is essential...
Construction of Transformer: Structure, and Components
The construction of a transformer is key to its function in electrical systems, enabling the transfer of electrical power between circuits through electromagnetic induction. A transformer is made up of several vital components, including the core, windings, and insulating materials, each contributing to its ability to step up or...
Electric Power Transmission and Distribution System
The electric power transmission and distribution system is essential for delivering electricity from power stations to consumers. This complex network ensures that power generated at distant power plants reaches homes, businesses, and industries. Comprising power stations, transmission lines, and distribution lines, this system plays a crucial role in maintaining...
What is Smart Grid Technology: Features and Benefits
Smart grids represent the future of efficient and sustainable energy management. By integrating advanced technologies like SCADA, IoT, and machine learning, smart grids can optimize electricity production, minimize wastage, and improve reliability across power systems. With real-time monitoring and automated fault-clearing capabilities, smart grids not only enhance energy distribution...
What is Discrete-Time Signals and Systems
Discrete-time signals play a vital role in modern signal processing, offering specific values at distinct points in time. Unlike analog signals, which provide continuous value information at any given moment, discrete time signals sample data at fixed intervals. This article explores the fundamentals of discrete time signals, their relationship...
What is Signal in Electronics: Types and Characteristics in Electronics
Signals play a crucial role in the world of electronics, functioning as the lifeblood of modern technology. Without signals, electronic devices would be inoperative, as signals are essential for transmitting information and controlling various systems. From the basic input on a computer keyboard to complex data communication, signals are...
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