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The Packet Concept: High-Level Synchronization for Data Links

The Packet Concept: High-Level Synchronization for Data Links

Learn about (for lack of a better term) packetization, a technique that facilitates robust data transfer in optical, RF, and long-distance-digital communication systems.


Controlling a Servo with a PICAXE and an IR Sensor

Controlling a Servo with a PICAXE and an IR Sensor

A PICAXE 08M2 can be used to read the amount of IR (infrared) light falling on a phototransistor and respond by moving a servo to a predetermined position.


LVDS: High-Speed, Low-Power, Robust Data Transfer

LVDS: High-Speed, Low-Power, Robust Data Transfer

This technical brief discusses characteristics and advantages of low-voltage differential signaling (LVDS).


Understanding Current-Voltage Curves

Understanding Current-Voltage Curves

This article discusses I-V curves for passive components, voltage sources, and current sources.


Manchester Encoding: What Is It, and Why Use It?

Manchester Encoding: What Is It, and Why Use It?

Learn about Manchester encoding, a simple and effective way to improve high-speed or wireless digital communication.


The Cyclic Redundancy Check (CRC): Finding—and Even Correcting—Errors in Digital Data

The Cyclic Redundancy Check (CRC): Finding—and Even Correcting—Errors in Digital Data

This technical brief explains what a CRC is and how you can use it to make your digital communication more robust.


Back to Basics: The Universal Asynchronous Receiver/Transmitter (UART)

Back to Basics: The Universal Asynchronous Receiver/Transmitter (UART)

This technical brief explains some low-level details of the widespread—I might even say ubiquitous—UART communication interface.


The Santa Cam! An Arduino PIR Motion-Activated Camera System

The Santa Cam! An Arduino PIR Motion-Activated Camera System

The motion-activated Santa Cam is sure to catch who is stealing your milk and cookies this holiday season! You can even use it for a photo booth this New Year's Eve!


Projects Dec 19, 2016 by Ryan Jones
How the Boost PFC Converter Circuit Improves Power Quality

How the Boost PFC Converter Circuit Improves Power Quality

A boost power factor correction (PFC) converter can significantly improve both the power factor and the harmonic distortion.


Circular Touch Sensing with an EFM8 Microcontroller

Circular Touch Sensing with an EFM8 Microcontroller

In this project we will develop an algorithm for precisely locating a touch event that occurs somewhere on a circular capacitive sensor.


Projects Dec 15, 2016 by Robert Keim
DIY Arduino-Based Sous-Vide Machine

DIY Arduino-Based Sous-Vide Machine

Learn how to build your own sous-vide machine. Say goodbye to overcooked steak!


Projects Dec 13, 2016 by Cezar Chirila
Capacitive Touch Sensing with an EFM8 Microcontroller

Capacitive Touch Sensing with an EFM8 Microcontroller

This project explores capacitive-touch-sense technology using an evaluation board for an EFM8 Sleepy Bee microcontroller.


Projects Dec 12, 2016 by Robert Keim
Power Factor, THD, and Why Linear Power Supplies Fail to Meet Power Standards

Power Factor, THD, and Why Linear Power Supplies Fail to Meet Power Standards

A discussion of international electrical quality standards and why basic linear power supplies fail to meet them.


An Overview of Using Makeblock in Arduino Programming

An Overview of Using Makeblock in Arduino Programming

Makeblock allows young inventors to have early success in electronics through intuitive color-coded connections and an easy-to-use programming interface.


The Holiday Season Analog Alarm! A Gift-Defending System

The Holiday Season Analog Alarm! A Gift-Defending System

Nowhere to hide presents this holiday season? No problem! This alarm will sound anytime a loved one tries to get a sneak peek at his or her surprise.


Projects Dec 05, 2016 by Ryan Jones
Custom Microcontroller Design: Assembling, Measuring, Programming

Custom Microcontroller Design: Assembling, Measuring, Programming

This is part 2 of a step-by-step guide to bringing your custom microcontroller design to life.


Tesla’s Towers: Pikes Peak, Wardenclyffe, and Wireless Power Transmission

Tesla’s Towers: Pikes Peak, Wardenclyffe, and Wireless Power Transmission

Even a genius like Tesla couldn't escape the market rules of product success: Be first to market, offer good value, and best the competition.


Create a PID Controller on the NI myRIO—The Software

Create a PID Controller on the NI myRIO—The Software

In this short project article series, we will implement a simple PID controller using LabVIEW on a hobby DC servo motor and the NI myRIO.


Projects Nov 29, 2016 by Mark Narvidas
C-BISCUIT: System Integration and Testing

C-BISCUIT: System Integration and Testing

Finally, we have everything we need for a functional robot. Let’s put the pieces together and see what the C-BISCUIT demo bot can do.


Projects Nov 28, 2016 by Robert Keim
Custom Microcontroller Design: Hardware, Tools, and Toolchain

Custom Microcontroller Design: Hardware, Tools, and Toolchain

This is Part 1 of a step-by-step guide to bringing custom microcontroller designs to life.