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Pulse-width Modulation (PWM) Timers in Microcontrollers

This article is the second of a series on microcontroller timers. This article describes a more complex timer called the PWM or pulse-width modulation timer.

February 07, 2020 by Stephen Colley

NFC-Powered Sweat Biosensor for Glucose and Lactate

Researchers at Northwestern University Center for Bio-Integrated Electronics are championing the development of sweat biosensors with their latest glucose and lactate sensors.

June 27, 2019 by Orlando Hoilett

Keeping Track of Your Biopotential: Maxim’s New Analog Front End for Wearables

Highly integrated ICs such as the MAX30004 can help you to improve the performance and practicality of your wearable designs.

May 30, 2017 by Robert Keim

Exploring UC Berkeley’s Wearable Sweat Sensor for Monitoring Dehydration

Researchers develop a wearable sensor for detecting important analytes in sweat for monitoring dehydration.

April 17, 2017 by Orlando Hoilett

The BIG Arduino Piano! Use Pulse Width Modulation to Dance like Tom Hanks

This BIG piano will help exercise the mind and body! All you need is a few buttons, a speaker, and some dancing shoes.

March 29, 2017 by Ryan Jones

Build Your Own LED Saber—Firmware, Microcontroller, and Testing

In part 3, we compile the firmware and build the controller at the heart of the Saber, then do initial testing and diagnostics.

October 20, 2016 by Jeremy Lee

C-BISCUIT: Monitoring Your Robot’s Health

Now that we've got the Wandboard up and running, it's time to set up some tools to help us check in on our growing robot's status.

June 10, 2016 by Trevor Gamblin

Pulse-Width Modulation with the SAM4S Xplained Pro

This article covers everything you need to know to generate pulse-width-modulated signals with Atmel’s SAM4S Xplained Pro development board.

April 14, 2016 by Robert Keim

ZigBee vs Bluetooth and Bluetooth Smart

ZigBee, Bluetooth and the newer Bluetooth Low Energy (BLE/Smart) are all communication protocols for Wireless Personal Area Networks (WPANs), but they are optimized for different applications.

September 09, 2015 by Marie Christiano

Practical Uses of Instrumentation Amplifiers

Basic refresher on instrumentation amplifiers, followed by a several real world applications in which an engineer would find this circuit.

August 28, 2015 by Benjamin Crabtree

Modeling the Pulse-Width Modulator

Pulse-width modulation can be of many forms. A PWM signal of constant frequency can be obtained by comparing the ramp signal (or carrier signal) with the error between the desired and the actual output voltage signal (Vc, compensator voltage signal).

June 03, 2015 by Editorial Team