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Understanding the Temperature Coefficient of a Voltage Reference

How does temperature affect the output of a voltage reference? What is a temperature coefficient specification?

June 06, 2019 by Steve Arar

How to Choose the Right Driver IC for Stepper Motors

This article discusses features and functionality offered by integrated circuits that simplify the task of controlling a stepper motor.

December 12, 2018 by Robert Keim

Choosing the Right Motor-Driver IC

This article provides some practical guidance on how to evaluate integrated circuits intended for controlling brushed DC motors.

December 07, 2018 by Robert Keim

Measure Position and Speed Control of a DC Motor Using an Analog PID Controller

This article shows how to implement an analog PID controller, including adjusting of the angular position of a DC motor shaft, editing the design to control its speed, and tuning PID parameters for reliable performance.

August 14, 2018 by Mahmoud Hamdy, Brightskies Technologies

Choosing the Right Transistor: Understanding Low-Frequency MOSFET Parameters

This article provides an overview of various characteristics and specifications that are relevant to low-frequency MOSFET operation.

July 23, 2018 by Robert Keim

How To Quickly Evaluate ROHM Stepper Motor Drivers

This how-to video demonstrates the use of ROHM's STEPMO_EVK_206 to evaluate stepper motor drivers.

July 18, 2018 by Chris Anderson

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

How To Control a DC Motor with an Arduino

By connecting an L298 bridge IC to an Arduino, you can control a DC motor.

July 07, 2018 by Tim Youngblood

3-Phase Brushless DC Motor Control with Hall Sensors

This article describes how to control a 3-phase brushless DC motor using a GreenPAK.

June 26, 2018 by Oleg Basovych, Dialog Semiconductor

Three-Phase BLDC Motors Save Energy in Appliance Systems

This article looks at how appliance design is utilizing three-phase brushless DC motors to reduce system power consumption to meet Energy Star's requirements.

June 14, 2018 by Innocent Irakoze, Texas Instruments

How to Low-Pass Filter a Square Wave

This article, part of AAC’s Analog Circuit Collection, presents a circuit that is a good choice when you need to remove high-frequency noise from a digital signal.

March 07, 2018 by Robert Keim

Tales of Project Troubleshooting: Solutions from a Problem-Magnet

This article covers the various roadblocks encountered in a new design and how they were troubleshot and overcome.

January 19, 2018 by Mark Hughes

All About BLDC Motor Control: Sensorless Brushless DC Motor Controllers

Learn about sensorless brushless DC motor controllers, some example ICs, and some disadvantages of using such motors.

October 18, 2017 by Nick Davis

Testing for a Robot’s Collision Detection System with Varying Impact Resistance

We’ll use real collision data to refine the detection algorithm, and even better, we’ll confirm that the system actually works.

September 28, 2017 by Robert Keim

Build a Temperature and/or Humidity Controlled Fan with a Picaxe 08M2 Microcontroller

A Picaxe 08M2 microcontroller and an HIH6030 sensor team up to easily control a ventilation fan using temperature or humidity or both.

September 25, 2017 by Raymond Genovese

How to Protect Your Robot with Automatic Collision Detection

In this article, we’ll develop and test an algorithm for automatically shutting down a robot in response to a collision (or some other violent event).

September 21, 2017 by Robert Keim

Adding an LCD and Keypad to a Tachometer and Speedometer

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

September 18, 2017 by Nick Davis

How to Build a Tachometer/Speedometer with an Optoelectronic Sensor, a Microcontroller, and a Disc

Learn how to make a tachometer and speedometer using a C8051 microcontroller, an optoelectronic sensor, and a spinning disc.

September 06, 2017 by Nick Davis

Design a Control Board for a Romi Robot Chassis

In this article, we’ll discuss the hardware design for a robotics PCB, and we’ll write firmware for controlling two DC motors.

August 25, 2017 by Robert Keim

The Importance of Reliability Verification in AI/ML Processors

With the adoption of artificial intelligence and machine learning in a wide variety of applications, reliability verification of AI/ML processors is critical since failures can have major consequences for the validity and legitimacy of AI/ML technology.

About 13 hours ago by Neel Natekar, Mentor

How to Create a Multilayer Perceptron Neural Network in Python

This article takes you step by step through a Python program that will allow us to train a neural network and perform advanced classification.

one day ago by Robert Keim

Introduction to Microcontroller Timers: Periodic Timers

This article, the first in a series on “timer/counter” functions in microcontrollers, discusses periodic timers.

January 14, 2020 by Stephen Colley

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

Analog Design Trade-Offs in Applying Linearization Techniques Using Example CMOS Circuits

This article will look at the trade-offs we face when trying to improve the linearity of a circuit.

January 13, 2020 by Steve Arar

Neural Network Architecture for a Python Implementation

This article discusses the Perceptron configuration that we will use for our experiments with neural-network training and classification, and we’ll also look at the related topic of bias nodes.

January 09, 2020 by Robert Keim

Implementing LoRa-based Solutions for Smart Metering

This article explores the use of LoRa devices for long-range, low power smart metering of utilities, which allows for remote daily operations and the collection of data.

January 07, 2020 by Rémi Demerlé, Semtech

Understanding Training Formulas and Backpropagation for Multilayer Perceptrons

This article presents the equations that we use when performing weight-update computations, and we’ll also discuss the concept of backpropagation.

December 27, 2019 by Robert Keim

How to Train a Multilayer Perceptron Neural Network

We can greatly enhance the performance of a Perceptron by adding a layer of hidden nodes, but those hidden nodes also make training a bit more complicated.

December 26, 2019 by Robert Keim

The Sigmoid Activation Function: Activation in Multilayer Perceptron Neural Networks

In this article, we’ll see why we need a new activation function for a neural network that is trained via gradient descent.

December 25, 2019 by Robert Keim

Advanced Machine Learning with the Multilayer Perceptron

This article explains why high-performance neural networks need an extra “hidden” layer of computational nodes.

December 24, 2019 by Robert Keim

Assessing the ADC SNR and SFDR for Communications Systems

In this article, we will see how we can determine the SFDR for an ADC used in a radio receiver. Also, we’ll examine the ADC SNR requirement for this application.

December 22, 2019 by Steve Arar

Understanding Learning Rate in Neural Networks

This article discusses learning rate, which plays an important role in neural-network training.

December 19, 2019 by Robert Keim

How Software Automation in PCBA Manufacturing Helps Quicken Innovation

Manufacturing still takes a large portion of time in the electrical engineering cycle. This article discusses how software-driven automation and the IIoT can help hasten the manufacturing process.

December 17, 2019 by Shashank Samala, Tempo Automation

How to Calibrate an Microcontroller Internal Oscillator: A DIY Trimming Procedure Algorithm

This article presents an algorithm intended for humans to calibrate the internal oscillator of an MCU, with the help of an oscilloscope and a spreadsheet. An example experiment with numbers is also shown.

December 13, 2019 by Eduardo Corpeño

How to Calibrate MCU Internal Oscillators

This article describes the internal RC oscillator calibration mechanism available in low-end microcontroller units. A basic calibration procedure and considerations on automated calibration are presented.

December 12, 2019 by Eduardo Corpeño

Introduction to the Synchronous Demodulation

This article will discuss the basic idea behind the synchronous demodulation technique.

December 11, 2019 by Steve Arar

The Good and the Bad of MCU Internal Oscillators

This article describes the benefits and requirements of the internal RC oscillator often available inside many low-cost Microcontroller units, including the calibration procedure to obtain the best possible accuracy.

December 11, 2019 by Eduardo Corpeño

Predicting Battery Degradation with a Trinket M0 and Python Software Algorithms

Learn how to build a setup that will help you predict a battery's performance as it ages using a Trinket M0 and software algorithms.

December 09, 2019 by Aaron Hanson

An Introduction to Training Theory for Neural Networks

In this article, we’ll explore Perceptron training from a more theoretical perspective, focusing on the “error bowl.”

December 05, 2019 by Robert Keim