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Controlling a Servo with a PICAXE and an IR Sensor

Controlling a Servo with a PICAXE and an IR Sensor

A PICAXE 08M2 can be used to read the amount of IR (infrared) light falling on a phototransistor and respond by moving a servo to a predetermined position.


“Germ-Zapping” Robot Aims to Make Hospitals Cleaner and Safer

“Germ-Zapping” Robot Aims to Make Hospitals Cleaner and Safer

Through the emission of short, intense pulses of light, the Xenex robot is able to sanitize large spaces in a small amount of time - a function quite useful for trying to eliminate the risk of hospital acquired infections like C.diff and MRSA.


News Dec 23, 2016 by Ami Vyas
How to Use an E-Paper Display in Embedded Applications

How to Use an E-Paper Display in Embedded Applications

Learn how e-paper displays work and how to integrate low power e-paper displays into your embedded projects.


Flash Freeze Photography with an Arduino

Flash Freeze Photography with an Arduino

Freeze moments in time to easily produce extraordinary close-up pictures with your digital camera, an Arduino, and these simple circuits.


How to Build the Brightest LED Saber in the World

How to Build the Brightest LED Saber in the World

The brightest blade in the world. Fluid sound effects generated in real time. Any colour, changeable on the fly. If you want to know what it feels like to hold a Lightsaber, this project is the closest you can get today.


Projects Oct 18, 2016 by Jeremy Lee
Can Graphene OLEDs Bring Flexible Displays to the Consumer Market?

Can Graphene OLEDs Bring Flexible Displays to the Consumer Market?

Recently researchers in South Korea have published their work on a new OLED stack in NPG Asia Materials journal. This new OLED is not only ultra-flexible but is also extremely efficient. What does this mean for new OLEDs? Are we going to see more OLEDs in products?


News Sep 26, 2016 by Robin Mitchell
Teardown Tuesday: Thermal Camera

Teardown Tuesday: Thermal Camera

In this Teardown Tuesday, we are going to take a look at the insides of an inexpensive thermal camera.


News Sep 13, 2016 by Alex Udanis
How to Build a Raspberry Pi Camera

How to Build a Raspberry Pi Camera

In part 8 of the "Building Raspberry Pi Controller" series, readers will learn how to attach a camera board to a Raspberry Pi and write Python code for photo imaging projects.


Projects Aug 01, 2016 by Don Wilcher
How Sensor Fusion Works

How Sensor Fusion Works

Sensor fusion is the art of combining multiple physical sensors to produce accurate "ground truth", even though each sensor might be unreliable on its own.


The How and Why of Energy Harvesting for Low-Power Applications

The How and Why of Energy Harvesting for Low-Power Applications

Harvesting energy from non-conventional sources has received an increased interest as designers look for alternative power sources. Even though the power is usually harvested in small amounts, it is adequate for various low-power applications.


Turning on a Light with Ultrasonic Motion Detection

Turning on a Light with Ultrasonic Motion Detection

This project will show you how to connect an ultrasonic sensor and an Arduino to turn on a light when motion is sensed.


OLED Screens Get a Needed Price Drop

OLED Screens Get a Needed Price Drop

OLED displays might finally have the advantage they need to sweep the smartphone market.


News Apr 21, 2016 by Michael Greer
Teardown Tuesday: Fitbit Charge Fitness Tracker

Teardown Tuesday: Fitbit Charge Fitness Tracker

In this week’s Teardown Tuesday we're going to take a look at the inside of a Fitbit Charge.


News Apr 19, 2016 by Alex Udanis
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
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
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
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.


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.


CES 2016: 1080p With HDR Trumps UHD/4K

CES 2016: 1080p With HDR Trumps UHD/4K

CES brings more information on the coolest innovations in consumer electronics.


News Jan 04, 2016 by PatrickM