Roshan Raj

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Roshan Raj covers technology and business for EFY, blending journalistic precision with a strong enthusiasm for innovation and the ever-changing tech landscape.

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Top 37 Electrical Engineering Projects

Real-time Web-based Home Automation

Wirelessly Control Multiple AC Appliances with Web Interface

Smallest Spy Video Streaming Camera

Unique DIY Projects

Real-time Web-based Home Automation

World’s Smallest Open-Source LoRa + GPS Module for Wearables and IoT (Only 3cm!)

Smallest Spy Video Streaming Camera

Wirelessly Control Multiple AC Appliances with Web Interface

Electronics News

Quantum vacuum boosts superconductivity in a surprising experiment

3D printing could boost ceramic waveguides for lasers

Robots learn new skills rapidly from human videos

Rideable quadruped robot showcases new possibilities for mobility

Truly Innovative Electronics

Bluetooth LE Module Puts Antenna on Package

Lowest-Power Bluetooth LE SoC

Device Brings Safety Alerts To Bicycles

AI Chip Stacks Memory Directly on Compute Layer

State Reduction In Sequential Circuits

How Police Trace Cell Phone Location by Mobile Number or IMEI number

Buck Converter vs Linear Voltage Regulator

MESH And Nodal Analysis Explained

Components Corner

GPU Board For Rugged Edge Systems

Transient Filter Strengthens Military Power Systems

Compact Resistors for High-Voltage Circuits

GaN Drive Enhance Professional Drone Propulsion

Roshan Raj

Most Popular DIY Projects

Top 37 Electrical Engineering Projects

Real-time Web-based Home Automation

Wirelessly Control Multiple AC Appliances with Web Interface

Smallest Spy Video Streaming Camera

Unique DIY Projects

Real-time Web-based Home Automation

World’s Smallest Open-Source LoRa + GPS Module for Wearables and IoT (Only 3cm!)

Smallest Spy Video Streaming Camera

Wirelessly Control Multiple AC Appliances with Web Interface

Electronics News

Quantum vacuum boosts superconductivity in a surprising experiment

3D printing could boost ceramic waveguides for lasers

Robots learn new skills rapidly from human videos

Rideable quadruped robot showcases new possibilities for mobility

Truly Innovative Electronics

Bluetooth LE Module Puts Antenna on Package

Lowest-Power Bluetooth LE SoC

Device Brings Safety Alerts To Bicycles

AI Chip Stacks Memory Directly on Compute Layer

MOst Popular Videos

State Reduction In Sequential Circuits

How Police Trace Cell Phone Location by Mobile Number or IMEI number

Buck Converter vs Linear Voltage Regulator

MESH And Nodal Analysis Explained

Components Corner

GPU Board For Rugged Edge Systems

Transient Filter Strengthens Military Power Systems

Compact Resistors for High-Voltage Circuits

GaN Drive Enhance Professional Drone Propulsion