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Build Programmable Time-based Switches Using a Real Time Clock

Build Programmable Time-based Switches Using a Real Time Clock

Use DS3231M RTC alarm functions to make programmable, time-based, switches to power devices on and off at precise times.


Linear Amplitude Modulation Applications

Linear Amplitude Modulation Applications

In this article, we'll delve into amplitude modulation and what it's used for. Also, we will differentiate between communication methods that do and do not use modulation.


Teardown Tuesday: Dewalt USB Power Supply

Teardown Tuesday: Dewalt USB Power Supply

In this Teardown Tuesday, we are going to take a look at what makes a Dewalt USB power supply work.


News Mar 08, 2016 by Alex Udanis
CERN’s Engineers Have Their Work Cut Out For Them

CERN’s Engineers Have Their Work Cut Out For Them

CERN's engineers have to replace 45 kilometers of cable, it will be quite the undertaking.


News Feb 12, 2016 by Tim Youngblood
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
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
Build a Motion Activated “Santa Cam”

Build a Motion Activated “Santa Cam”

This is a simple motion activated camera that will allow you to finally get photographic evidence of Santa Claus.


The Fundamentals of Wi-Fi Antennas

The Fundamentals of Wi-Fi Antennas

Amateur radio operators ("hams") have long said, "If you want a bigger signal, put up more metal and put it up higher." Antennas for Wi-Fi are no exception.


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.


Create Your First Application with TI’s LaunchPad

Create Your First Application with TI’s LaunchPad

Texas Instruments' LaunchPad makes developing applications with MSP430 microcontrollers easy and fast. Learn all about it and create your first application.


Projects Nov 08, 2015 by Tim Youngblood
A Review of the Bitscope Micro

A Review of the Bitscope Micro

How does a $150 oscilloscope hold up? We gave it a thorough examination. Here are our thoughts on this powerful test and measurement tool.


News Oct 12, 2015 by Nash Reilly
EFM8 Sound Synthesizer: Playing Melodies via USB

EFM8 Sound Synthesizer: Playing Melodies via USB

Part 3 in the “How to Make an EFM8-Based Sound Synthesizer” series.


Projects Sep 17, 2015 by Robert Keim
Switch Bounce and How to Deal with It

Switch Bounce and How to Deal with It

In this article I will discuss what switch bounce is and some ways to deal with it. First I will take you through the theory, and later I will show you some ways to handle it in both hardware and in software.


PICAXE Programming Basics - Part 2

PICAXE Programming Basics - Part 2

This article is part 2 of a two-part series that introduces the tools and techniques for programming PICAXE microcontrollers. Part 1 focused on construction of a test circuit and the AXEpad IDE; part 2 covers the PICAXE Editor 6 IDE.


Texas Instruments’ New All-in-One USB Type-C and USB Power Delivery Controller

Texas Instruments’ New All-in-One USB Type-C and USB Power Delivery Controller

The new controller integrates a port power switch and port data multiplexer.


News Aug 10, 2015 by Jennifer A. Diffley
PICAXE Programming Basics - Part 1

PICAXE Programming Basics - Part 1

This article is part 1 of a two-part series that introduces the tools and techniques for programming PICAXE microcontrollers. Part 1 focuses on construction of a test circuit and the AXEpad IDE; part 2 will cover the PICAXE Editor 6 IDE.


PICAXE to PC Connections

PICAXE to PC Connections

This article describes in detail the connections necessary for two way communications between PICAXE microcontrollers and personal computers. Both serial connections and USB to serial conversion connections are covered.


Communicating with an EFM8 Microcontroller via USB

Communicating with an EFM8 Microcontroller via USB

Many embedded applications benefit from a communications interface that allows for convenient data transfer between a PC and a microcontroller. This article explains how to use the virtual COM port library from Silicon Laboratories to send data from a Windows application to an EFM8 microcontroller.


Projects Jul 17, 2015 by Robert Keim
Raspberry Pi – Setup and Management

Raspberry Pi – Setup and Management

When you buy a Raspberry Pi, you just buy a printed circuit board which doesn’t even come with a power supply or operating system. This tutorial is concerned with getting your Raspberry Pi set up and ready to use.


Projects Jul 15, 2015 by Tim Youngblood
Special Cases in Nodal Analysis

Special Cases in Nodal Analysis

This article describes certain special cases when performing nodal analysis.