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Robust, High-Speed Serial Communication: A New RS-422/485 Transceiver from Maxim

Robust, High-Speed Serial Communication: A New RS-422/485 Transceiver from Maxim

The MAX14775E offers high-performance capabilities that make it especially suitable for data transfer in harsh environments.


Creating a Simple Data Logger with the RIOT (Realtime Internet of Things) Framework

Creating a Simple Data Logger with the RIOT (Realtime Internet of Things) Framework

In this project, we will demonstrate the simplicity of RIOT by creating a data logger that will plot levels of light onto a graph on a PC server application.


Projects Mar 08, 2017 by Robin Mitchell
Circuits Need Protection, Too: An IC Solution for Overvoltage, Undervoltage, and Reverse Polarity

Circuits Need Protection, Too: An IC Solution for Overvoltage, Undervoltage, and Reverse Polarity

A new power-supply IC from Linear Tech, the LTC4368, is a highly integrated device that can help you protect your circuits from problematic voltage and current conditions.


Basic Operations in Signal Processing: An Overview

Basic Operations in Signal Processing: An Overview

Here we discuss some elementary operations that are important in signal processing and the practical scenarios for their applications.


Bridging the Gap Between Solid-State and Mechanical: The MEMS Switch

Bridging the Gap Between Solid-State and Mechanical: The MEMS Switch

The ADGM1004 MEMS switch from Analog Devices is a high-performance solution for both low-frequency and high-frequency applications.


The Punxsutawney 5000! A Sensirion Temperature Device

The Punxsutawney 5000! A Sensirion Temperature Device

No more waiting around for the groundhog. The Punxsutawney 5000 is here to keep you inside until springtime arrives!


Projects Feb 27, 2017 by Ryan Jones
Interpreting Current-Voltage Curves of Different Materials

Interpreting Current-Voltage Curves of Different Materials

This article discusses the ideas involved in measuring and interpreting the current-voltage curves of solar cells, batteries, and unknown materials.


Using a SIM900A to Send Sensor Data to a Website

Using a SIM900A to Send Sensor Data to a Website

In this article, I'll show you how I used one of my SIM900A GSM modules to send temperature and relative humidity to my personal website.


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.


Understanding, Calculating, and Measuring Total Harmonic Distortion (THD)

Understanding, Calculating, and Measuring Total Harmonic Distortion (THD)

Total harmonic distortion (THD) is a measurement that tells you how much of the distortion of a voltage or current is due to harmonics in the signal.


Introduction to Low-Power Embedded Design

Introduction to Low-Power Embedded Design

Low power consumption has become an important design goal in many electronic systems. This article introduces essential concepts and techniques.


Comparing the Electret to MEMS Microphones

Comparing the Electret to MEMS Microphones

This technical brief explains the physical characteristics and the benefits of microphones based on MEMS technology.


Back to Basics: SPI (Serial Peripheral Interface)

Back to Basics: SPI (Serial Peripheral Interface)

The Serial Peripheral Interface Bus enables full-duplex serial data transfer between multiple integrated circuits.


The How and Why of Spread-Spectrum Digital Signals

The How and Why of Spread-Spectrum Digital Signals

This technical brief discusses the use of spread spectrum modulation in digital circuits, particularly clock signals.


Controlling a Stepper Motor with an SIRC TV Remote and a PICAXE: Infrared Capabilities

Controlling a Stepper Motor with an SIRC TV Remote and a PICAXE: Infrared Capabilities

Remote controls for electronics often use IR (infrared) radiation in a very precisely coded sequence for channel surfing, volume adjustments, and more. One of the most popular codes is the SIRC (Sony Infrared Remote Code) which may be used with a PICAXE microcontroller to manage a stepper motor, or most any other electronic or electro-mechanical device.


Testing a Custom IoT Framework by Controlling an LED: RIOT (RealTime Internet of Things)

Testing a Custom IoT Framework by Controlling an LED: RIOT (RealTime Internet of Things)

Using a custom framework (RIOT) to control an LED with a networked computer.


Projects Feb 08, 2017 by Robin Mitchell
Using a C# Application to Communicate with an Arduino

Using a C# Application to Communicate with an Arduino

In this article, we are going to connect an Arduino Pro Mini to a PC and communicate with it using a C# Windows application.


Understanding Spread Spectrum Modulation in RF Systems

Understanding Spread Spectrum Modulation in RF Systems

This technical brief discusses the characteristics and benefits of spread-spectrum modulation.


An Introductory Project for Software Defined Radio

An Introductory Project for Software Defined Radio

Learn how to listen to frequencies on the air with nothing more than a USB dongle: first FM radio, then voice signals.


Projects Feb 02, 2017 by Christi Durham
Introduction to Software-Defined Radio

Introduction to Software-Defined Radio

All about software-defined radio (SDR).