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Learning About Differential Quadrature Phase Shift Keying (DQPSK) Modulation

Learning About Differential Quadrature Phase Shift Keying (DQPSK) Modulation

This technical brief explains what differential QPSK is and why it can be advantageous compared to ordinary QPSK.


The Rio Olympics: An Exhibition of Electronics Engineering

The Rio Olympics: An Exhibition of Electronics Engineering

This year’s Olympic Games extensively utilize wearables and sensors.


News Aug 20, 2016 by Dr. Steve Arar
Build a Wireless “Tipping Bucket” Rain Gauge, Part 3—Receiver, PICAXE, and LCD

Build a Wireless “Tipping Bucket” Rain Gauge, Part 3—Receiver, PICAXE, and 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.


Understanding Quadrature Phase Shift Keying (QPSK) Modulation

Understanding Quadrature Phase Shift Keying (QPSK) Modulation

This technical brief covers the basic characteristics of a digital modulation scheme known as quadrature phase shift keying.


Build a Wireless “Tipping Bucket” Rain Gauge, Part 2—Adding the Transmitter

Build a Wireless “Tipping Bucket” Rain Gauge, Part 2—Adding the Transmitter

A tipping bucket rain gauge is a clever way to measure rainfall. Learn how to add wireless capability, a PICAXE microcontroller, and an LCD display to your weather station.


Teardown Tuesday: Wi-Fi-Connected LED Bulb

Teardown Tuesday: Wi-Fi-Connected LED Bulb

What's inside of a Wi-Fi-controlled light bulb? Find out in this Teardown Tuesday!


News Aug 16, 2016 by Alex Udanis
iPhone’s Losing Its Headphone Jack—Designers Have Other Plans

iPhone’s Losing Its Headphone Jack—Designers Have Other Plans

Apple's removing the 3.5mm headphone jack. Luckily, converting wired headphones to wireless is easy with Bluetooth adapters.


News Aug 15, 2016 by Seth Schaffer
Edward Snowden and “Bunnie” Huang’s Malware-Detecting Smartphone Case

Edward Snowden and “Bunnie” Huang’s Malware-Detecting Smartphone Case

Edward Snowden and "bunnie" Huang are developing a smartphone case that can detect malicious software on your smartphone.


News Aug 10, 2016 by Ebony Calloway
Build a Wireless “Tipping Bucket” Rain Gauge, Part 1—Assembling the Bucket

Build a Wireless “Tipping Bucket” Rain Gauge, Part 1—Assembling the Bucket

A tipping bucket rain gauge, an RF transmitter and receiver, a PICAXE microcontroller, and an LCD can make a great addition to your weather station.


Teardown Tuesday: Micro Drone

Teardown Tuesday: Micro Drone

What's inside of a hand-sized micro drone? Find out in this Teardown Tuesday!


News Aug 09, 2016 by Alex Udanis
DEF CON 24 Roundup: 2016 Hacker Conference

DEF CON 24 Roundup: 2016 Hacker Conference

A roundup of the top stories from this year's DEF CON Hacking Convention in Las Vegas.


News Aug 08, 2016 by Kate Smith
The Rise of Galvanic Skin Response (GSR) Sensors in Wearables

The Rise of Galvanic Skin Response (GSR) Sensors in Wearables

Maxim develops a platform for better measurement of static activities such as yoga using GSR sensors.


News Aug 05, 2016 by Ebony Calloway
SubPos Kickstarter for Sub-Meter Indoor Positioning System

SubPos Kickstarter for Sub-Meter Indoor Positioning System

The SubPos Ranger is a Kickstarter campaign to manufacture an open source Indoor Positioning System intended for hobbyist robotics applications that need sub-meter positioning accuracy.


News Aug 02, 2016 by Jeremy Lee
Teardown Tuesday: IoT Camera

Teardown Tuesday: IoT Camera

In this teardown, we are going to take a look at the insides of an internet-connected camera.


News Aug 02, 2016 by Alex Udanis
The Top 6 Arduino-Compatible Boards for Your Next Project

The Top 6 Arduino-Compatible Boards for Your Next Project

A list of some Arduino compatible boards that can be incorporated into a project.


News Jul 30, 2016 by Ebony Calloway
Facebook’s Aquila Drone Completes First Flight—And Faces Criticisms

Facebook’s Aquila Drone Completes First Flight—And Faces Criticisms

Facebook plans to incorporate a fleet of wing-shaped drones to provide internet connectivity in remote areas.


News Jul 29, 2016 by Dr. Steve Arar
Create a Two-Channel Remote Control with the nRF24L01+

Create a Two-Channel Remote Control with the nRF24L01+

This article will give you the building blocks needed to create your own two-channel wireless remote controller.


Projects Jul 27, 2016 by Mark Hughes
MOSFET Channel-Length Modulation

MOSFET Channel-Length Modulation

This technical brief describes channel-length modulation and how it affects MOSFET current–voltage characteristics.


Tesla vs Google: Do LIDAR Sensors Belong in Autonomous Vehicles?

Tesla vs Google: Do LIDAR Sensors Belong in Autonomous Vehicles?

Elon Musk has made some bold comments about Google's self-driving car that uses LIDAR. However, Google is using LIDAR for different reasons than Tesla would in their Autopilot systems.


News Jul 24, 2016 by Donald Krambeck
The Progression of Bluetooth Low Energy SoCs

The Progression of Bluetooth Low Energy SoCs

Nordic’s BLE chipset is now available in both QFN and WL-CSP packages— and that shows how wearable applications are driving the Bluetooth Smart chip designs.


News Jul 21, 2016 by Majeed Ahmad