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Build a 4-Bit Binary Counter with 5x7 LED Matrix

Build a 4-Bit Binary Counter with 5x7 LED Matrix

In this project, you'll learn how to build a 4-bit binary counter using a 5x7 LED matrix for data count value visualization. The project will use a combination of standard electronic and surface mount components.


Projects Jun 20, 2016 by Don Wilcher
How to Build a Simple Arduino-Based Calculator

How to Build a Simple Arduino-Based Calculator

Learn how to use an Arduino in combination with an LCD display and a keypad to make a calculator.


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.


Use a DC Motor to Power LED Headlights on a Longboard

Use a DC Motor to Power LED Headlights on a Longboard

Build a generator-powered LED headlight for a longboard for very cheap.


Projects Apr 20, 2016 by Jacob Smith
Build an Automatic Computer Display Rotator With an Arduino

Build an Automatic Computer Display Rotator With an Arduino

Learn how to build a device which senses when your computer monitor is physically rotated, and automatically tells your computer to rotate the display accordingly.


Projects Apr 12, 2016 by Matthew Davis
How to Create a Gaming System with the Atmel SAM4S Xplained Pro

How to Create a Gaming System with the Atmel SAM4S Xplained Pro

This article provides additional details related to code development, hardware configuration, and the OLED interface.


Projects Apr 01, 2016 by Robert Keim
Building Raspberry Pi Controllers Part 6: Displaying Messages on a LCD with a RPi

Building Raspberry Pi Controllers Part 6: Displaying Messages on a LCD with a RPi

Readers will learn how to wire a standard 16x2 LCD (liquid crystal display) to a Raspberry Pi to display messages.


Projects Mar 04, 2016 by Don Wilcher
Create a Laser Detection System Using a PICAXE

Create a Laser Detection System Using a PICAXE

Lasers are plentiful, inexpensive, and fun to use. Here's a target that reacts when it's hit by a laser beam.


Building Raspberry Pi Controllers Part 5: Reading Analog Data with an RPi

Building Raspberry Pi Controllers Part 5: Reading Analog Data with an RPi

Learn how to read electrical signals and data from an analog device using the Step Response technique in Part 5 of the Building Raspberry Pi Controllers series.


Projects Feb 09, 2016 by Don Wilcher
Controlling a Toaster Oven with a PICAXE - Part 2

Controlling a Toaster Oven with a PICAXE - Part 2

Soldering surface mount components by hand can be done, but reflow soldering in an oven is much quicker and produces more consistent results. Building a microprocessor controlled reflow oven is well within the abilities and budget of many hobbyists.


Make a GPS Clock With a PIC Microcontroller

Make a GPS Clock With a PIC Microcontroller

In this article I'll show you one way to use a PIC microcontroller to get the time and date from a GPS module.


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
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
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.


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.