Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

Elecrow “All-in-One Starter Kit for ESP32-P4” is an open-source learning and prototyping platform based on the ESP32-P4 ...

Discover how to build a simple DIY projector using everyday materials like cardboard and a small flashlight or laser pointer.

Learn how to make a simple electric doorbell at home in this step-by-step tutorial. Using everyday materials like cardboard, a DC motor, battery, metal bowls, a clothespeg switch, and basic wiring, ...

Tiny robots smaller than a grain of rice can sense, think, and move on their own. They could one day fix tissue inside the human body.

1. Joints - The Foundation of Movement Joints are the moving links in a robotic arm. They let the arm bend, rotate, or change ...

To help relieve dry skin, dermatologists offer these tips. Dry skin can flake, itch, crack, and even bleed. These tips from board-certified dermatologists can help you heal excessively dry skin at ...

Every business needs good branding to succeed. Discover the basics and key tips to building a successful brand in this detailed guide. Opinions expressed by Entrepreneur contributors are their own.

Abstract: The choice of OFDM-based multi-carrier access techniques for LTE marked a fundamental and farsighted parting from preceding 3GPP networks. With OFDMA in the downlink and SC-FDMA in the ...

This USB LED vase is a simple yet elegant device that fuses art with electronics to create a decorative lighting display. Powered directly from a standard USB port, it uses readily available ...

Printed circuit boards (PCBs) are the essential building blocks behind almost all modern electronic devices. These components provide electrical interconnections between electronic components, rigid ...