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Introduction to the I2C Bus

Introduction to the I2C Bus

This article covers the essential characteristics and prominent advantages of the Inter–Integrated Circuit (aka I2C) serial-communications protocol.


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
Websites Every Electrical Engineer Should Be Visiting

Websites Every Electrical Engineer Should Be Visiting

The internet is chock full of amazing resources for electrical engineers. We've rounded up some of the best ones.


News Dec 09, 2015 by Alex Udanis
Want to Make a Ton of Money? Make an Adorable Design

Want to Make a Ton of Money? Make an Adorable Design

Tiny Arcade has launched a tremendously successful Kickstarter campaign with their ingenious blend of novelty and quirkiness. Learn all about it!


News Nov 30, 2015 by Jennifer A. Diffley
The Best FPGA Development Boards for New Designers

The Best FPGA Development Boards for New Designers

Here's a rundown of three boards best suited for beginning to intermediate FPGA designers. Some boards cost thousands of dollars, and it’s unrealistic to compare a board of that cost to a board that a hobbyist would likely choose, so this comparison looks at three popular boards in the sub-$90 price point.


News Nov 30, 2015 by Jennifer A. Diffley
PCB Layout Style Mistakes That Can Ruin Your Design

PCB Layout Style Mistakes That Can Ruin Your Design

This article discusses style mistakes in PCB layout that can make assembly and debugging PCBs difficult. This is vital for designers!


Add Short Circuit Protection to Your Boost Converter

Add Short Circuit Protection to Your Boost Converter

The boost converter is a DC-DC converter used to created an output voltage that is higher than the input voltage. Boost converters are also used to drive LEDs placed in series in products like LED flashlights. The boost converter suffers from vulnerability to a short circuit load. Learn how to protect them from shorts!


NXP’s Thread Platform Makes Low-Power IoT Design a Cinch

NXP’s Thread Platform Makes Low-Power IoT Design a Cinch

NXP demonstrated its Thread Platform at ARMTechCon last week. Based on the JN5179 wireless MCU, with Secure Element, NFC, Thread encryption, its own dc/dc converter and featuring ARM's mbed OS, the Platform makes secure home automation application design a whole lot easier.


News Nov 19, 2015 by PatrickM
Design Your Own Controller for a Solder Reflow Oven

Design Your Own Controller for a Solder Reflow Oven

In the last installment, we built the hardware to control an AC waveform with a TRIAC as the first step in a DIY solder reflow oven. This tutorial continues the project by showing you how to set up the low-level hardware to measure temperature, read the zero-cross detector, drive the TRIAC, and print to the serial terminal using a USART.


Projects Nov 17, 2015 by Patrick Lloyd
Connect a PICAXE to the Internet of Things

Connect a PICAXE to the Internet of Things

Connecting a PICAXE to the IoT through an ESP8266 module is easy once you know the process. Here are the details you need!


ARM TechCon Report: IoT Security and Getting Your Automotive Design Noticed

ARM TechCon Report: IoT Security and Getting Your Automotive Design Noticed

Insight into the November ARM conference and advice from Mike Muller, ARM's CTO, on how to be successful with the IoT.


News Nov 11, 2015 by PatrickM
Negative Feedback, Part 2: Improving Gain Sensitivity and Bandwidth

Negative Feedback, Part 2: Improving Gain Sensitivity and Bandwidth

Having introduced the general negative feedback structure, we will now demonstrate that negative feedback has a beneficial effect on two important characteristics of amplifier circuits.


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 Build a Robot - Design and Schematic

How to Build a Robot - Design and Schematic

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


Update the Firmware in Your ESP8266 Wi-Fi Module

Update the Firmware in Your ESP8266 Wi-Fi Module

Updating the firmware in an ESP8266 Wi-Fi module can be frustrating! Here's a procedure to reduce the pain.


The Wonder of Robo Wunderkind

The Wonder of Robo Wunderkind

The Robo Wunderkind is a modular engineering toy that encourages coding and creativity while sparking the love of creation in children everywhere.


News Oct 22, 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!


Electronics and Programming Games So Fun, You Don’t Even Realize They’re Educational

Electronics and Programming Games So Fun, You Don’t Even Realize They’re Educational

A collection of games and resources to keep up your skills and learn some new ones in the process.


News Oct 17, 2015 by Patrick Lloyd
Review of the Top Free Electronics Design Automation Software

Review of the Top Free Electronics Design Automation Software

A brief overview of several of the major free EDA tools out on the market geared toward budding electrical circuit designers.


News Oct 15, 2015 by Patrick Lloyd
How To Build A Thermostat with a PICAXE

How To Build A Thermostat with a PICAXE

An inexpensive PICAXE microcontroller makes it easy to read a temperature sensor, compare the temperature to a setpoint, and turn a heater or cooler circuit on or off.