All About Circuits

Latest LEDs Articles and Videos

Categories

The Kilo Lamp: An Interactive Lamp Controller

The Kilo Lamp: An Interactive Lamp Controller

This project brief provides the instructions for building a weight-sensitive LED lamp with an Arduino Uno and a handful of commercially available parts.


Bending Light: How Optics Research Is Rewriting the Rules of Computing

Bending Light: How Optics Research Is Rewriting the Rules of Computing

Recent advances in photonics may boost the performance of LiDAR sensors, increase the resolution of image projection, and integrate energy harvesting and light emission into a single display.


News Jun 02, 2026 by Duane Benson
TE Connectivity Holsworthy Type 3657 Wirewound SMD Power Inductors | New Product Brief

TE Connectivity Holsworthy Type 3657 Wirewound SMD Power Inductors | New Product Brief

TE Connectivity’s Holsworthy Type 3657 Wirewound SMD Power Inductors are compact, high-efficiency components designed for modern power conversion applications. Watch and learn all about their features, specs, applications, and more!


Kingbright APGF0607G32B33R23-05 LED | New Product Brief

Kingbright APGF0607G32B33R23-05 LED | New Product Brief

Kingbright APGF0607G32B33R23-05 LED delivers high-performance, full-color illumination in an ultra-compact SMD package. Watch and learn all about their features, specs, applications, and more!


Constructing a Solar-Powered Snake Robot

Constructing a Solar-Powered Snake Robot

Learn how to create a batteryless crawling robot using basic electronic components and a 3D-printed chassis.


Light Research, Heavy Implications: LEDs for Medicine, Displays, & Optics

Light Research, Heavy Implications: LEDs for Medicine, Displays, & Optics

Recent research has pushed LED and OLED performance into new territory, from photothermal cancer therapy to nano-OLEDs capable of directional light control.


News Dec 16, 2025 by Luke James
Tech Teardown | 4.3” LCD USB Digital Microscope 1000X Coin Magnifier with 8 Adjustable LED Lights | Mouser Electronics

Tech Teardown | 4.3” LCD USB Digital Microscope 1000X Coin Magnifier with 8 Adjustable LED Lights | Mouser Electronics

In this episode of Tech Teardown, sponsored by Mouser Electronics, we discuss this 4.3" LCD Digital Microscope provides crisp 1080P imaging with 50X–1000X magnification, adjustable LED lighting, photo/video capture, ample storage, a rechargeable battery, and an adjustable stand—making it a versatile, eye-friendly tool for inspecting coins, jewelry, and other small objects, and an excellent portable gift for hobbyists, students, and tech enthusiasts. Watch and find out!


Creating Vivid Multi-Color Lighting with Lumileds LUXEON LEDs | Tech Guide

Creating Vivid Multi-Color Lighting with Lumileds LUXEON LEDs | Tech Guide

In this Tech Guide from Mouser Electronics, discover how Lumileds LUXEON Color LEDs empower designers to create vivid, energy-efficient multi-color lighting. Watch now to get started!


Kawasaki Uses Hydrogen to Create Serious ‘Horse’-Power

Kawasaki Uses Hydrogen to Create Serious ‘Horse’-Power

The manufacturer envisions a rideable, hydrogen-powered robotic horse. Is this back to the future?


News May 02, 2025 by Kevin Clemens
Historical Engineers: Isamu Akasaki, Inventor of GaN-Based Blue LEDs

Historical Engineers: Isamu Akasaki, Inventor of GaN-Based Blue LEDs

Nobel prize winner Isamu Akasaki invented efficient blue light-emitting diodes, enabling bright, energy-efficient white light sources.


News Feb 21, 2025 by Luke James
Research Shorts: 5 Studies Make Headway in Lasers, Antennas, and Beyond

Research Shorts: 5 Studies Make Headway in Lasers, Antennas, and Beyond

From tunable metamaterials inspired by chameleons to radiation-resistant organic solar cells, these discoveries address critical challenges in fields like defense, space exploration, communication, and manufacturing.


News Feb 03, 2025 by Luke James
ams OSRAM SYNIOS® S 2222 LEDs | New Product Brief

ams OSRAM SYNIOS® S 2222 LEDs | New Product Brief

ams OSRAM SYNIOS® S 2222 LEDs feature a compact 2.2mm² design with an enhanced color range for customizable lighting solutions. Watch and learn all about their features, specs, applications, and more!


How Times Square’s New Year’s Eve Ball Got Its Sparkle

How Times Square’s New Year’s Eve Ball Got Its Sparkle

The Times Square Ball has come far from its first iron-and-wood model. Here's how the New Year's Eve icon has evolved over the past century.


News Dec 31, 2024 by Luke James
How Christmas Became Electrified: An Engineer’s Holiday Tale

How Christmas Became Electrified: An Engineer’s Holiday Tale

While the twinkling lights adorning Christmas trees and homes are a familiar sight at this time of year, their earliest iteration looked quite different than our modern LEDs.


News Dec 24, 2024 by Luke James
Tech Teardown | Single-color vs Multi-color with Remote | Mouser Electronics

Tech Teardown | Single-color vs Multi-color with Remote | Mouser Electronics

In this series, we compare two similar products by opening them up to examine the electronic components and manufacturing methods.


The BBC Micro:bit Adjustable Brightness Alarm: A Radio Shack Remix

The BBC Micro:bit Adjustable Brightness Alarm: A Radio Shack Remix

In this project article, we’ll create a programmable device that alerts users to changes in ambient light levels. Along the way, we’ll learn about astable multivibrators and the Darlington pair.


Projects Nov 20, 2024 by Don Wilcher
Using QSPICE to Understand and Tune an LED Blinker Circuit

Using QSPICE to Understand and Tune an LED Blinker Circuit

In this article, we examine the oscillation behavior of an LED blinker circuit in QSPICE and learn how to control its ON-time and pulse repetition frequency.


Transferring SPICE Models From LTspice to QSPICE

Transferring SPICE Models From LTspice to QSPICE

In this article, we'll walk through the process of importing SPICE models into QSPICE and demonstrate the basics of using the QSPICE waveform viewer, including measurement markers.


Transferring LTspice Schematics to QSPICE

Transferring LTspice Schematics to QSPICE

In this article, we'll walk through the process of moving an LTspice circuit into QSPICE and learn some QSPICE schematic techniques.


Introduction to QSPICE for LTspice Users

Introduction to QSPICE for LTspice Users

This article, the first in a four-part series on moving from LTspice to QSPICE, introduces an LED blinker circuit that we’ll simulate with both programs.