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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.

December 21, 2015 by Tim Youngblood

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.

December 17, 2015 by Elliott Smith

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.

December 03, 2015 by Jason Poel Smith

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!

December 01, 2015 by Travis Fagerness

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.

November 19, 2015 by Don Wilcher

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.

November 14, 2015 by Jason Poel Smith

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!

November 10, 2015 by Travis Fagerness

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.

November 09, 2015 by Patrick Lloyd

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.

November 02, 2015 by Travis Fagerness

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.

November 01, 2015 by Tim Youngblood

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!

October 20, 2015 by Charles R. Hampton

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.

September 29, 2015 by Travis Fagerness

How to Use MAX232 to Communicate Between a PIC and a PC

This is one simple way to control a LED, fan, relay or solenoid with a computer and a PIC.

August 15, 2015 by Jens Christoffersen

How to Use Relays to Control High-Voltage Circuits with an Arduino

To control high-voltage or high-power circuits with an Arduino, you have to isolate them from the Arduino with a relay. Here's how!

June 11, 2015 by Jennifer A. Diffley

How to Use an Arduino as a Web Server

By equipping an Arduino with an Ethernet shield you can turn it into a simple web server, and by accessing that server with a browser running on any computer connected to the same network as the Arduino, you can perform a variety of tasks.

June 06, 2015 by Tim Youngblood

How to Use the Arduino’s Digital I/O

The digital inputs and outputs (digital I/O) on the Arduino are what allow you to connect sensors, actuators, and other ICs to the Arduino . Learning how to use the inputs and outputs will allow you to use the Arduino to do some really useful things, such as reading switch inputs, lighting indicators, and controlling relay outputs.

June 05, 2015 by Tim Youngblood

Use an Arduino to Control a Motor

Controlling a motor with an Arduino is relatively easy. In addition to simply spinning the motor, you can control the position of the motor shaft if the motor has a rotary encoder.

June 03, 2015 by Tim Youngblood