Latest LEDs Technical Articles

This two-article series provides an overview of circuit symbols, along with some information on the components that they…

This two-article series provides an overview of circuit symbols, along with some information on the components that they represent.

Optocouplers are undoubtedly effective, but alternative isolation technologies may be a better choice for your application.

Optocouplers are undoubtedly effective, but alternative isolation technologies may be a better choice for your application.

The Texas Instruments DLPDLCR2000EVM is a demonstration cape designed to plug into a BeagleBone Black (BBB) and provide…

The Texas Instruments DLPDLCR2000EVM is a demonstration cape designed to plug into a BeagleBone Black (BBB) and provide instant-on projection capabilities using a digital micromirror device and a relatively high-power RGB LED.

Blending colors may sound elementary but it is vital in drawing attention to your project with RGB LEDs!

Blending colors may sound elementary but it is vital in drawing attention to your project with RGB LEDs!

Let's interface an ultrasonic sensor and a lighting system! In this project, we'll design a sensor subsystem and then use…

Let's interface an ultrasonic sensor and a lighting system! In this project, we'll design a sensor subsystem and then use it in a parking sensor application.

In this project, we're making a weighing scale using a C8051 microcontroller development kit, a load cell, and the…

In this project, we're making a weighing scale using a C8051 microcontroller development kit, a load cell, and the Simplicity Studio IDE. The measured weight will be displayed on an LCD screen.

In part two of the tachometer/speedometer project, we'll add a keypad and LCD for easier user interaction.

In part two of the tachometer/speedometer project, we'll add a keypad and LCD for easier user interaction.

In this article, we talk about the basics of optoelectronics, including a brief lecture on photons. Also, various…

In this article, we talk about the basics of optoelectronics, including a brief lecture on photons. Also, various optoelectronic devices will be discussed including lamps, LEDs, photodiodes, photoresistors, and laser diodes.

Radio Over Fiber (ROF) combines RF and optics, providing optical links to replace strategic portions of cellular,…

Radio Over Fiber (ROF) combines RF and optics, providing optical links to replace strategic portions of cellular, satellite, and copper based systems.

Learn about the laser diode, including package types, applications, drive circuitry, and some laser diode specifications.

Learn about the laser diode, including package types, applications, drive circuitry, and some laser diode specifications.

ICs such as the BCR401U provide high-quality control of LEDs for applications that require something better than the…

ICs such as the BCR401U provide high-quality control of LEDs for applications that require something better than the typical series-resistor arrangement.

Despite the convenience of CMOS imagers, CCD imagers still have their place. And if you really need low-light…

Despite the convenience of CMOS imagers, CCD imagers still have their place. And if you really need low-light performance, consider a device with EMCCD technology, such as the KAE-02152.

Use I2C on the Quark D2000 development board to interface a color sensor and get acquainted with using asynchronous mode.

Use I2C on the Quark D2000 development board to interface a color sensor and get acquainted with using asynchronous mode.

Get acquainted with using I2C with the Quark D2000 development board by interfacing an ambient light sensor and an LCD.

Get acquainted with using I2C with the Quark D2000 development board by interfacing an ambient light sensor and an LCD.

Here's a rain gauge that empties itself and that you can read from your easy chair. Best of all, you can build it, yourself.

Here's a rain gauge that empties itself and that you can read from your easy chair. Best of all, you can build it, yourself.

In part 8 of the "Building Raspberry Pi Controller" series, readers will learn how to attach a camera board to a…

In part 8 of the "Building Raspberry Pi Controller" series, readers will learn how to attach a camera board to a Raspberry Pi and write Python code for photo imaging projects.

Learn how to use an Arduino in combination with an LCD display and a keypad to make a calculator.

Learn how to use an Arduino in combination with an LCD display and a keypad to make a calculator.

Learn how to build a device which senses when your computer monitor is physically rotated, and automatically tells your…

Learn how to build a device which senses when your computer monitor is physically rotated, and automatically tells your computer to rotate the display accordingly.

Readers will learn how to wire a standard 16x2 LCD (liquid crystal display) to a Raspberry Pi to display messages.

Readers will learn how to wire a standard 16x2 LCD (liquid crystal display) to a Raspberry Pi to display messages.