All About Circuits

Latest Optoelectronics Articles and Videos

Categories

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
Casting a Light on Dennis Gabor, Inventor of Holography

Casting a Light on Dennis Gabor, Inventor of Holography

In a remark that aptly foreshadowed his career, the Hungarian-British electrical engineer and physicist famously said, "The future cannot be predicted, but futures can be invented."


News Dec 27, 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
Everything Goes Up! Top Trends of 2024

Everything Goes Up! Top Trends of 2024

Three hot technologies are leading the way in continuing the Moore’s Law performance increases that can no longer be achieved by transistor scaling alone.


News Dec 23, 2024 by Dale Wilson
Our 2024 Favorites: Hand-Picked Highlights from the All About Circuits Team

Our 2024 Favorites: Hand-Picked Highlights from the All About Circuits Team

We publish hundreds of articles every year—too many even for our team to read them all. So, we decided to share our favorite 2024 news, technical articles, projects, and podcasts with each other and all of you. Enjoy!


News Dec 20, 2024 by Dale Wilson
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.


UCLA Announces New One-Way Optical Material for Imaging Systems

UCLA Announces New One-Way Optical Material for Imaging Systems

The team turned to deep learning to help them develop a new form of unidirectional imaging system that operates with partially coherent light.


News Nov 08, 2024 by Duane Benson
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.


Tech Teardown | Amazon Echo Dot vs Google Nest Mini | Mouser Electronics

Tech Teardown | Amazon Echo Dot vs Google Nest Mini | Mouser Electronics

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


Raspberry Pi Teams Up With Sony to Launch AI Camera

Raspberry Pi Teams Up With Sony to Launch AI Camera

The new AI camera integrates an intelligent vision processor and can be used with Raspberry Pi single-board computers.


News Oct 07, 2024 by Duane Benson
Microchip and Acacia Team Up To Optimize Terabit-Scale Data Center Links

Microchip and Acacia Team Up To Optimize Terabit-Scale Data Center Links

The two have joined forces to craft a fourth generation, terabit-scale Cloud/Data Center Interconnect (DCI) and metro transport network solution based on Microchip’s PHY and Acacia’s module.


News Aug 22, 2024 by Mike Falter
Understanding Haptic Technology and the Use of Piezoelectric Actuators

Understanding Haptic Technology and the Use of Piezoelectric Actuators

Haptic feedback systems using piezo-based actuators are important for a variety of applications, especially automotive. Learn the challenges and the solutions to be considered for this technology.


A Look Back at 50 Years With the UPC Barcode

A Look Back at 50 Years With the UPC Barcode

The humble universal product code has passed the 50-year mark as a key tool in the retail sales industry.


News Aug 09, 2024 by Duane Benson
Researchers Advance Thermal Imaging for Military, Medical Infrared Thermography

Researchers Advance Thermal Imaging for Military, Medical Infrared Thermography

Using a non-contact thermometer with a near-infrared (NIR) spectrometer, the team eliminated the need for precise emissivity values.


News Jul 31, 2024 by Jake Hertz
The Wireless Alphabet Flasher: A Radio Shack Classics Circuit Remix

The Wireless Alphabet Flasher: A Radio Shack Classics Circuit Remix

In this project, we mix the old and the new by integrating present-day BLE technology with a vintage Science Fair computer kit.


Projects Jul 21, 2024 by Don Wilcher
UCLA Team Creates Optical Computing Method for Processing and Encryption

UCLA Team Creates Optical Computing Method for Processing and Encryption

Using multiple layers of diffracting materials, the researchers can physically maneuver light to perform permutations and enhance security.


News Jul 17, 2024 by Aaron Carman