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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
What’s the LabVIEW FPGA? Learn It Now!

What’s the LabVIEW FPGA? Learn It Now!

Learn LabVIEW FPGA by programming the on-board Xilinx FPGA of the student-focused embedded device NI myRIO.


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.


LED Chaser… With a Twist!

LED Chaser… With a Twist!

Build an LED chaser with a little twist: we'll be using a microcontroller and an LCD along with the usual 4017 counters.


Understanding Illuminance: What’s in a Lux?

Understanding Illuminance: What’s in a Lux?

A practical introduction to quantifying perceived light intensity.


Introducing the Particle Photon

Introducing the Particle Photon

The Particle Photon is a powerful little board with the ability to easily connect objects to the internet. This series of articles will be enough to get you up and running with the Particle Photon.


Projects Jan 07, 2016 by Leanna Pancoast
Design a Luxmeter Using a Light Dependent Resistor

Design a Luxmeter Using a Light Dependent Resistor

Take a few minutes to characterize a light dependent resistor (LDR) and you can build a simple and reasonably accurate light meter can be built using an LDR and an Arduino.


Projects Dec 13, 2015 by David Williams
Build Raspberry Pi Controllers: LED Flasher

Build Raspberry Pi Controllers: LED Flasher

In this project, you'll learn how to wire an LED and flash it using the Raspberry Pi. Also, to isolate the Raspberry Pi's + 3.3VDC compliant output pins from supply voltages greater than this power source, an opto-isolator will be introduced as well.


Projects Dec 11, 2015 by Don Wilcher
Make a GPS Clock With Arduino

Make a GPS Clock With Arduino

Do you need GPS time on your desk? This article will show you how to use a GPS module to get time, date and your location displayed on an LCD with an Arduino.


Negative Feedback, Part 8: Analyzing Transimpedance Amplifier Stability

Negative Feedback, Part 8: Analyzing Transimpedance Amplifier Stability

The techniques discussed in previous articles can help us to understand and remedy stability problems observed in a common circuit used to amplify photodiode signals.


Build a Raspberry Pi Pushbutton Switch

Build a Raspberry Pi Pushbutton Switch

Learn how to build a variety of electronic controllers using the Raspberry Pi. In part one, you will learn how to wire a basic pushbutton switch and read the status of its electrical contacts using the Python programming language.


Projects Nov 19, 2015 by Don Wilcher
Use LaunchPad to Make a Laser Tripwire Alarm

Use LaunchPad to Make a Laser Tripwire Alarm

Use the Analog to Digital Converter (ADC) feature of LaunchPad to build a laser tripwire alarm. This is a great way to familiarize yourself with LaunchPad while simultaneously making something cool.


Projects Nov 18, 2015 by Tim Youngblood
Connect a PICAXE to the Internet of Things

Connect a PICAXE to the Internet of Things

Connecting a PICAXE to the IoT through an ESP8266 module is easy once you know the process. Here are the details you need!


Make an Analog Sound Reactive LED Strip

Make an Analog Sound Reactive LED Strip

This analog design allows your LEDs to respond to your music. Just plug your music source into this which sends a channel to your sound system and some LEDs.


Projects Oct 28, 2015 by Fadi Kasem
Build a Laser Communication System

Build a Laser Communication System

Use a laser and a photo resistor to build a laser based point-to-point communication system. The best part? It's under $10.


Projects Oct 22, 2015 by Jacob Smith
How To Build A Thermostat with a PICAXE

How To Build A Thermostat with a PICAXE

An inexpensive PICAXE microcontroller makes it easy to read a temperature sensor, compare the temperature to a setpoint, and turn a heater or cooler circuit on or off.


Make an LED Light Strip AHRS with Arduino and MPU-6050

Make an LED Light Strip AHRS with Arduino and MPU-6050

Use a WS2812 RGB LED strip to visualize the pose of an MPU-6050 6-degree-of-freedom IMU in three dimensional space.


Projects Oct 13, 2015 by Patrick Lloyd