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Learning PLCs on a Budget

Learning PLCs on a Budget

Typically, getting started with a PLC can be a costly endeavor, but this project will show how to get started with them on a small budget!


Projects Jan 18, 2016 by Alex Udanis
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.


Low-Cost Programmable Logic Controllers for the Frugal Engineer

Low-Cost Programmable Logic Controllers for the Frugal Engineer

Typical PLCs are very expensive, but never fear: cheaper versions exist!


News Dec 28, 2015 by Alex Udanis
Build an Object Detection DC Motor Controller

Build an Object Detection DC Motor Controller

In this continuing series of Building Raspberry Pi Controllers, you'll learn how to build a object detection control circuit for operating a small DC motor using a photocell.


Projects Dec 27, 2015 by Don Wilcher
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
Download Your First Program Using ARM mbed and KEIL MDK V5

Download Your First Program Using ARM mbed and KEIL MDK V5

The FRDM-K64F is a development platform which utilises the MK64FN1M0VLL12 microcontroller. This tutorial includes how to download a simple blinky example onto the FRDM-K64F using the ARM mbed online IDE and KEIL MDK. Details of the GPIO module configuration are included.


Projects Dec 17, 2015 by Elliott Smith
Build an Arduino Controlled USB Power Supply

Build an Arduino Controlled USB Power Supply

Build an Arduino controlled power supply that automatically adjusts the output to maintain a constant voltage or a constant current.


How to Build a Wall-Following Robot

How to Build a Wall-Following Robot

This is the final part in a series of articles on building a robot that can follow lines or walls and avoid obstacles!


Navigating the Boost Converter’s Vulnerability with Alternative Power Conversion Topologies

Navigating the Boost Converter’s Vulnerability with Alternative Power Conversion Topologies

Here are some great power conversion topologies that can be used as alternatives to the boost converter; they are much less vulnerable to short circuit load conditions.


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
Mastering the Boost Converter’s Vulnerability with Alternative Power Conversion Topologies

Mastering the Boost Converter’s Vulnerability with Alternative Power Conversion Topologies

This article discusses power conversion topologies that can be used as alternatives to the boost converter that are less vulnerable to short circuit load conditions.


Control an Arduino With a TV Remote

Control an Arduino With a TV Remote

Nothing on TV tonight? Control an Arduino with any infrared remote control, including the one you use to command your television.


How to Build a Robot - Line Follower

How to Build a Robot - Line Follower

Part four of a series of articles on building a robot that can follow lines or walls and avoid obstacles!


Control Your AC Mains with a Microcontroller

Control Your AC Mains with a Microcontroller

Learn how to put together your own toaster oven controller with a handful of inexpensive, through-hole parts. The emphasis is on safety, low price, and minimal modification of the toaster oven.


Projects Nov 09, 2015 by Patrick Lloyd
How to Build a Robot - PCB Design

How to Build a Robot - PCB Design

Part two of a series of articles on building a robot that can follow lines or walls and avoid obstacles! This time we'll be covering PCB design.


How to Use a Rotary Encoder in an MCU-Based Project

How to Use a Rotary Encoder in an MCU-Based Project

Learn how to use a rotary encoder in an Arduino project. Rotary encoders are electromechanical, electro-optical or electro-magnetic devices which convert rotational motion into digital or analog information.


Projects Nov 01, 2015 by Tim Youngblood
Cut Out 3D Printing Noise with the Replicape

Cut Out 3D Printing Noise with the Replicape

Elias Bakken has found a way to eliminate noise and increase productivity when working with 3D printers. Here's a look at his Replicape.


News Oct 27, 2015 by Jennifer A. Diffley
Breadboard and Program an ESP-01 Circuit with the Arduino IDE

Breadboard and Program an ESP-01 Circuit with the Arduino IDE

The ESP8266 combination microcontroller/Wi-Fi modules can now be programmed using the Arduino IDE. Here's how!


Anatomy of a Viral Kickstarter: Strong Starts

Anatomy of a Viral Kickstarter: Strong Starts

The first in a series of one successful Kickstarter campaign--learn how to fund your project by learning the ins and outs of the whole process.


News Oct 02, 2015 by Jennifer A. Diffley
How to Build a Web-based Garage Door Controller

How to Build a Web-based Garage Door Controller

Use your Android device to open and close your garage door! Much better than that clunky remote you've been using.