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The Incredible Shrinking Resistor: The Advantages and Drawbacks of Ever-Smaller Components

The advantages and disadvantages of ever-shrinking components.

April 19, 2019 by Matthew Cook

How to Choose Microcontroller Peripherals for Digital Signal Processing Applications

This article continues a discussion of microcontroller features and characteristics that are particularly important when you’re thinking in terms of DSP capabilities.

April 08, 2019 by Robert Keim

How to Read a Microcontroller Datasheet: Introduction and First Steps

MCU datasheets sometimes present an overwhelming abundance of facts, figures, and specs. This practical, step-by-step guide will help you to identify and extract the information that you need.

April 01, 2019 by Robert Keim

What Is a Microcontroller? The Defining Characteristics and Architecture of a Common Component

In this article we’ll look at the defining characteristics of these extremely popular ICs, and then we’ll explore the internal architecture.

March 25, 2019 by Robert Keim

What Is Mutual Inductance? A Guide for Circuit Designers

Learn about mutual inductance and how it can influence an engineer’s approach to circuit and system design.

July 06, 2018 by Robert Keim

How to Select the Cutoff Frequency of Your Low-Pass Filter

This article provides some tips on how to fine-tune the characteristics of a low-pass filter.

June 29, 2018 by Robert Keim

PCB Layout for a Photovoltaic Power Supply for Microcontroller Circuits

This article discusses the PCB layout for a power-supply circuit that generates a regulated 3.3 V rail from a small solar cell.

June 07, 2018 by Robert Keim

Schematic Design for a Solar-Powered Charge-Pump Power Supply Circuit

This article discusses a 3.3 V power-supply circuit that is built around an inductorless DC/DC converter and a solar cell.

June 06, 2018 by Robert Keim

Selecting and Implementing Photovoltaic Cells for Solar-Powered Devices

This article discusses details that will help you choose the right kind of solar cell and successfully incorporate it into your next project.

May 31, 2018 by Robert Keim

The Circuit Designer’s Guide to Photovoltaic Cells for Solar-Powered Devices

This article presents the equivalent circuit for a solar cell and discusses some implementation details.

May 30, 2018 by Robert Keim

The Gentleman Maker’s Auto-Apologizer: A Clever, Polite Device for the Everyday Brit

One of the biggest fears many British people face is forgetting to say sorry. This project is designed to automatically apologize when the user bumps into an object.

March 28, 2018 by Robin Mitchell

How to Reduce Power Consumption with Clock Gating

This article will discuss the basic concepts of clock gating and how it can be used to reduce the power consumption of synchronous digital systems.

March 08, 2018 by Steve Arar

Capacitive Control Panel PCB Design Considerations for TI’s MSP430FR2633 Microcontroller

This article provides a closer look at the PCB design considerations and programming of a custom capacitive touch interface device.

February 07, 2018 by Mark Hughes

Simplify Your Life with an Analog Window Detector

This article, part of AAC’s Analog Circuit Collection, presents a simple yet effective replacement for ADC-based window detection.

February 02, 2018 by Robert Keim

Building a Capacitive Touch Interface with the Texas Instruments MSP430FR2633

The MSP430FR2633 is a low-power microcontroller with multiple GPIOs and capacitive touch pins. This project creates a circuit that supports a custom capacitive touch panel with LED and haptic feedback.

January 12, 2018 by Mark Hughes

Choosing the Most Suitable MEMS Accelerometer for Your Application: Part 2

In part 2 of this article, we will focus on key specifications and features in the context of wearable devices, condition monitoring, and IoT applications.

December 22, 2017 by Chris Murphy, Analog Devices

The FitByte: How to Make an ATtiny85 Powered Activity Tracking Wearable

This is a protoype of a fitness wearable device designed to vibrate when it detects stagnation.

December 13, 2017 by Demsey Kirkwood

The Wi-Fi Eye, Part 4: Power System and Neopixel Lights

In part 4 of our Wi-Fi Eye project, we'll deal with our power supply

July 28, 2017 by Jeremy Lee

The Wi-Fi Eye, Part 3: Choosing the Right Servos for the Job

Part 3 of this project focuses on choosing and configuring the servos you will use to create your Wi-Fi Eye.

July 27, 2017 by Jeremy Lee

The Importance of Test Strategies for Multimedia Chipsets

Multimedia chipsets must exhibit a variety of characteristics to be considered for use in designs. Measuring their effectiveness requires a well-designed testing strategy.

5 days ago by Chroma

How to Leverage the Arm TrustZone Security Features of the LPC5500

Learn how the Arm TrustZone extension for the LPC5500 series works and how to start utilizing the safety measures in custom secure and non-secure applications.

June 25, 2020 by Mark Dunnett, on Behalf of NXP

How to Select DC Power Connectors: The Basics

This article aims to simplify the DC power connector selection process with an overview of types, key specifications, and commonly accepted nomenclature, while also looking at audio and USB connectors in power applications.

June 23, 2020 by Ryan Smoot, CUI Devices

Descriptive Statistics in Electrical Engineering

This article discusses statistical techniques that we can use to characterize an engineered system or analyze performance data.

June 22, 2020 by Robert Keim

What Is a Linear System?

This article explains the essential aspects of linear systems, which play a fundamental role in electrical engineering and signal processing.

June 17, 2020 by Robert Keim

Understanding Types of Lock-In Amplifiers and Related Noise Sources

This article is a general guideline on the main aspects of commercially-available amplifiers.

June 16, 2020 by Ignacio de Mendizábal

What Is the z-Transform?

This Frequent Engineering Question gives a quick overview of an important mathematical technique used in digital signal processing, calculating the z-transform.

June 15, 2020 by Robert Keim

Getting Started With the LPC5500 Series MCU Using NXP’s MCUXpresso IDE

This article introduces the MCUXpresso IDE, introducing important features and showing how to get started with programming the LPC65500 series MCU using a Hello World example.

June 11, 2020 by Mark Dunnett, on Behalf of NXP

Introduction to Statistical Analysis in Electrical Engineering

This article explores statistics and probability as tools that help us to understand circuit behavior and characterize engineered systems.

June 09, 2020 by Robert Keim

Cobots and HMI: A Look at Industry 5.0

The emergence of collaborative robots (cobots) fitted with a suite of sophisticated sensors is ushering in the era of Industry 5.0 where humans and robots work more closely together to streamline the production process.

June 09, 2020 by Lee Hibbert for Mouser

How Is the Laplace Transform Used in Circuit Design?

In this article, we briefly review how the Laplace transform can help us solve circuits involving damped and steady-state sinusoidal signals.

June 05, 2020 by Robert Keim

Basic Fundamentals of Lock-In Amplifiers

This article discusses the theory fundamentals of lock-in amplifiers.

June 04, 2020 by Ignacio de Mendizábal

What Is Dynamic Range?

The concept of dynamic range appears frequently in engineering discussions. But what exactly does this term mean? And how does it apply to electronic circuits and systems?

June 03, 2020 by Robert Keim

JESD204B vs. JESD204C: What Designers Need to Know

Learn how the updated serial standard, JESD204C, addresses lane speed as well as inefficient 8B/10B coding and the impact those changes have when working on high-speed data converter board designs.

June 02, 2020 by Richard Zarr, Texas Instruments

Understanding Dynamic Range in Imaging Systems

This article introduces an important specification for light-sensitive devices and explains its connection to the performance of digital cameras.

June 01, 2020 by Robert Keim

Determining Dynamic Range of CCD Image Sensors

This article explains how CCD construction, operating parameters, and external signal-processing circuitry contribute to the maximum variation in luminance that CCD imaging hardware can capture.

May 29, 2020 by Robert Keim

The Features and Applications of LPC5500 Series Microcontrollers

Learn about the LPC5500 series of MCUs, including specs and features, available resources, and applications, which range from automated robots to industrial HMI.

May 28, 2020 by Mark Dunnett, on Behalf of NXP

Using EMI Shielding to Reduce Radiated Emissions in Electronic Designs

Learn the basic concepts of EMI shieldings, including types of shielding options and the calculation for determining shielding effectiveness.

May 26, 2020 by Ignacio de Mendizábal

Quantum Efficiency and Signal-to-Noise Ratio in CCD Image Sensors

In this article, we’ll draw upon our knowledge of noise sources and combine it with some new information to create a comprehensive model for CCD noise performance.

May 25, 2020 by Robert Keim

Photon Noise, Read Noise, and Reset Noise in CCD Image Sensors

In this article, we’ll take a look at electrical and optical conditions that contribute to reduced image quality in CCD camera systems.

May 22, 2020 by Robert Keim