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Constructing a Solar-Powered Snake Robot

Constructing a Solar-Powered Snake Robot

Learn how to create a batteryless crawling robot using basic electronic components and a 3D-printed chassis.


Controlling a Stepper Motor with an SIRC Transmitter and Receiver

Controlling a Stepper Motor with an SIRC Transmitter and Receiver

Detecting, decoding, and displaying IR (Infrared) signal data is interesting, but using those signals to control stuff is more interesting . . . and sometimes useful. Read on to learn how.


Ghostbusters Toaster—A Solenoid Lesson

Ghostbusters Toaster—A Solenoid Lesson

With the help of some solenoids, the Dancing Ghostbusters Toaster really topped off my Halloween costume this year!


Projects Oct 24, 2016 by Ryan Jones
AC/DC: Battery Power Conversion for AC Speakers (Part 1)

AC/DC: Battery Power Conversion for AC Speakers (Part 1)

This project details the process by which AC-powered speaker sets can typically be converted to battery power. I'll detail my own projects and provide advice for converting almost any set of speakers.


Projects Jun 08, 2016 by Seth Schaffer
Build a Desktop Industrial Automation Trainer

Build a Desktop Industrial Automation Trainer

In this project, the reader will learn how to build and program a desktop industrial automation trainer for experimentation in robotics, motor, and process control system concepts on their workbench.


Projects Apr 21, 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.


Controlling a Toaster Oven with a PICAXE - Part 1

Controlling a Toaster Oven with a PICAXE - Part 1

A toaster oven can do more than just make toast; guided by a PICAXE microcontroller, it can make a sweet reflow soldering station.


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
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.