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How to Eliminate Ground Loops with Signal Isolation

How to Eliminate Ground Loops with Signal Isolation

This project explains how to isolate signals to eliminate ground loops in electronic systems.


Projects Jan 29, 2016 by Orrin Bigelow
Using Scilab GUI for RGB and Lux Measurements

Using Scilab GUI for RGB and Lux Measurements

Gather data via USB from a BH1745NUC optical sensor and then display color characteristics and illuminance values.


Projects Jan 28, 2016 by Robert Keim
Sonavation Just Solved Our Passwords Problem…And is Helping Cure Cancer

Sonavation Just Solved Our Passwords Problem…And is Helping Cure Cancer

If you haven’t yet heard of Sonavation, you probably aren’t alone, but the company has done something unprecedented: it’s shrunk a $100k ultrasound machine to the size of a fingerprint module.


News Jan 26, 2016 by Jennifer A. Diffley
Design a Color Sensor with Measurements Displayed via an RGB LED Module, Part 2

Design a Color Sensor with Measurements Displayed via an RGB LED Module, Part 2

Learn how to collect and process RGB data generated by the BH1745NUC color sensor IC.


Projects Jan 23, 2016 by Robert Keim
Amazon’s Dash Button Exemplifies IoT Laziness

Amazon’s Dash Button Exemplifies IoT Laziness

The Amazon Dash button has launched. Cue the eye rolling.


News Jan 22, 2016 by Jennifer A. Diffley
Design a Color Sensor with Measurements Displayed via an RGB LED Module

Design a Color Sensor with Measurements Displayed via an RGB LED Module

Display colors by precisely controlling the intensity of red, green, and blue LEDs.


Projects Jan 22, 2016 by Robert Keim
Enter These Hardware Contests Now

Enter These Hardware Contests Now

A few great contests are about to close. Enter your project now and get in on fame and fortune.


News Jan 19, 2016 by Jennifer A. Diffley
Building Raspberry Pi Controllers: IR Remote Event Counter

Building Raspberry Pi Controllers: IR Remote Event Counter

In part 4 of this Build Raspberry Pi Controllers series, the reader will learn how to build an IR Remote Event counter using littleBits.


Projects Jan 19, 2016 by Don Wilcher
Measure Distance with a Sonar Sensor on an Arduino

Measure Distance with a Sonar Sensor on an Arduino

Learn how to measure distances up to 20 ft with a sonar sensor on an Arduino!


NXP’s New Stamp-Sized Radar Sensor for Automobiles

NXP’s New Stamp-Sized Radar Sensor for Automobiles

NXP Semiconductors N.V. has introduced the world's smallest, single-chip 77GHz radar transceiver. Roughly the size of a postage stamp, the new NXP chip can be “hidden” practically anywhere in the car


News Jan 15, 2016 by Murray Slovick
Measuring and Calculating Lux Values, Part 2

Measuring and Calculating Lux Values, Part 2

Use data from an RGB sensor to improve the accuracy of illuminance measurements.


A Guide to the Applications of Hall Effect and Reed Switch Sensors

A Guide to the Applications of Hall Effect and Reed Switch Sensors

In the systems where custom sensors are required, it's imperative that the designer quantifies the environmental, mechanical, electrical, and magnetic parameters of the entire system so that a sensor which meets those operating conditions can be selected.


Measure Thermocouple Temperature with the MAX31855 and a PICAXE

Measure Thermocouple Temperature with the MAX31855 and a PICAXE

Whether for cooking or reflow soldering, a thermocouple is often the best choice for a high temperature sensor. The MAX31855, a PICAXE-08M2, a serial LCD, and a few lines of code will do the trick.


Measuring and Calculating Lux Values

Measuring and Calculating Lux Values

Learn how to translate the output of a photosensor into an illuminance measurement.


Understanding Illuminance: What’s in a Lux?

Understanding Illuminance: What’s in a Lux?

A practical introduction to quantifying perceived light intensity.


How to Select a Custom Magnet Sensor

How to Select a Custom Magnet Sensor

Learn how to correctly select the right sensors for your project with this handy guide.


CES 2016: Autonomous Vehicles Are Coming, Love ‘em or Hate ‘em

CES 2016: Autonomous Vehicles Are Coming, Love ‘em or Hate ‘em

From start to finish, all tech eyes will be on the 2016 Consumer Technology Association's convention in Las Vegas from January 6 through 9. Here's what we can expect to see.


News Dec 30, 2015 by PatrickM
Build a Motion Activated “Santa Cam”

Build a Motion Activated “Santa Cam”

This is a simple motion activated camera that will allow you to finally get photographic evidence of Santa Claus.


Make Your Switch Sound Activated

Make Your Switch Sound Activated

In this article, we'll build a sound-activated switch that can be opened and closed with a double clap.


Projects Dec 21, 2015 by Tim Youngblood
Getting Started with the Bosch BMP180 Sensor

Getting Started with the Bosch BMP180 Sensor

Learn one of the ways to get started with the BMP180 sensor and learn a simple way to improve the data.


Projects Dec 20, 2015 by Alex Udanis