Latest Optoelectronics Technical Articles

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How to Implement Digit Recognition with TensorFlow Lite using an i.MX RT1060 Crossover MCU

This article looks at digit detection and recognition using MNIST eIQ as an example, which consists of several parts — the digit recognition is performed by a TensorFlow Lite model, and a GUI is used to increase the usability of the i.MX RT1060 device.

September 22, 2020 by David Piskula, NXP Semiconductors

The Mapping Function and Circuit Implementation in Histogram Equalization

In this article, we'll look into greater details on a histogram equalization method, including use cases of the mapping function and circuit implementation.

March 10, 2020 by Steve Arar

Design Solution for Automotive LCD Displays Utilizing LED Driver ICs

See how multi-channel automotive LED driver ICs implement backlight local dimming, bringing ‘true black’ to automotive LCD displays.

February 04, 2020 by Szukang Hsien, Maxim Integrated

How an Internal Faraday Shield and Small Ci-O Improve Optocoupler Galvanic Isolation

This article discusses how the use of three key design methods utilized in optocouplers improves galvanic isolation performance and presents an accompanying high voltage surge test as proof. 

January 14, 2020 by Lim Shiun Pi, Broadcom Inc

Introduction to Adaptive Front Lighting Systems (AFS)

Learn more about the design considerations that go into developing adaptive automotive lighting solutions.

November 06, 2019 by Steve Arar

Characterizing LED Performance with a Frequency Response Analyzer and Line Injector

This application note series explores the measurement of the dynamic resistance of an LED and how to create a usable SPICE model from the data.

October 28, 2019 by Steve Sandler

Transimpedance Amplifier Stability

Learn about how to stabilize transimpedance amplifiers or TIAs with useful examples.

May 29, 2019 by Dr. Sergio Franco

How to Interface the Mojo V3 FPGA Board with a 16x2 LCD Module: Block Diagram and Verilog Code

This article will discuss the details of interfacing a basic 16x2 LCD module with an FPGA.

May 19, 2019 by Steve Arar

How to Interface the Mojo v3 FPGA Board with a 16x2 LCD Module

This article will discuss the details of interfacing a basic 16x2 LCD module with an FPGA.

May 17, 2019 by Steve Arar

Designing a System Monitor 4-MUX LCD Driver Solution

This application note describes a simple hardware implementation of a 4-Mux LCD driver using time division multiplexing techniques along with system monitoring using a GreenPAK IC.

April 18, 2019 by Krupa Bhavsar, Dialog Semiconductor

How to Interface a 16×2 LCD Module with an MCU

This article will discuss the details of interfacing a 16x2 LCD module with an MCU.

March 04, 2019 by Steve Arar

Electrical Symbols for Electronic Components: Passive Components

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

October 31, 2018 by Robert Keim

Understanding Color Models Used in Digital Image Processing

Learn about digital-signal-processing concepts that help us to store and manipulate color information.

August 17, 2018 by Robert Keim

Beyond the Optocoupler: Understanding Digital Isolators

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

July 13, 2018 by Robert Keim

Hardware Assessment: LightCrafter Evaluation Kit for BeagleBoard Black from Texas Instruments

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.

July 09, 2018 by Mark Hughes

Hardware Evaluation for the Cypress S6AE102A/S6AE103A Eval Kit for Energy Harvesting Applications

In this article, we will assess and characterize the hardware of two power management IC development boards from Cypress Semiconductor, designed for energy-harvesting applications.

May 08, 2018 by Mark Hughes

Comparing Optical Sensors: Understanding D-Star

This technical brief discusses a parameter that conveys the sensitivity of an optical detector.

April 05, 2018 by Robert Keim

Need a Current Regulator? Use a Voltage Regulator!

This article, part of AAC’s Analog Circuit Collection, shows you how linear voltage regulators can also be handy in constant-current applications.

February 12, 2018 by Robert Keim

Conveniently Control Your Load Current with a Voltage-to-Current Converter

This article, part of AAC’s Analog Circuit Collection, presents a straightforward way to precisely control the current through an LED (or through a typical resistive load).

February 05, 2018 by Robert Keim

The MIT-i Color Blender! RGB LED Color Blending

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

November 08, 2017 by Ryan Jones