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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.


Improper Power Sequencing in Op Amps: Analyzing the Risks

Improper Power Sequencing in Op Amps: Analyzing the Risks

This article takes a look at the activity of op amps in different power sequence situations, analyzes possible issues, and presents some suggestions.


Improve Your Power: New Products for Generating and Monitoring Your Supply Voltages

Improve Your Power: New Products for Generating and Monitoring Your Supply Voltages

In this article, we’ll take a look at three new power-management ICs—two linear regulators and one power supply monitor.


News Feb 09, 2017 by Robert Keim
New Doping Process for Organic Photo-Voltaic Cells Could Change the Solar Energy Industry

New Doping Process for Organic Photo-Voltaic Cells Could Change the Solar Energy Industry

A new processing technique allows for the doping of organic PV cells at room temperature.


News Jan 23, 2017 by Robin Mitchell
Building an Infrared Tracker with a PICAXE 14M2 and a Stepper Motor

Building an Infrared Tracker with a PICAXE 14M2 and a Stepper Motor

Tracking an infrared light source is not as difficult as you might think; a 14-pin PICAXE, a stepper motor with a driver IC, three phototransistors, and a few other components will do the trick.


How to Make a Timed Air Ventilator

How to Make a Timed Air Ventilator

Need to ventilate a room? This article will show you how I made a relay-operated, GPS-timed fan to vent out the moist air in my boat's cabin. It is controlled with a PIC16F628A and has an LCD.


Understanding Switching Regulator Output Artifacts Expedites Power Supply Design

Understanding Switching Regulator Output Artifacts Expedites Power Supply Design

Understanding these artifacts allows designers to successfully integrate switching regulators in a wider range of high-performance, noise-sensitive applications.


Changes in Electricity Generation and Use Strengthen the Case for DC Power Distribution

Changes in Electricity Generation and Use Strengthen the Case for DC Power Distribution

The growing need to create electricity from a wider variety of energy sources including renewables is driving growing interest in DC power distribution over long distances and within buildings.


Understanding Current-Voltage Curves

Understanding Current-Voltage Curves

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


Ferrite Beads Demystified

Ferrite Beads Demystified

Learn how to get the most out of ferrite beads in your designs.


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.


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.


Practical Filter Design Challenges and Considerations for Precision ADCs

Practical Filter Design Challenges and Considerations for Precision ADCs

Precision analog-to-digital converters can be tricky. Here are some pointers to get the most out of them.


Make Your Own GPS Transmitter with the HC-12 Transceiver

Make Your Own GPS Transmitter with the HC-12 Transceiver

Create a tracking device with an HC-12 transceiver, a GPS module, an Arduino, and Google Maps.


Projects Nov 10, 2016 by Mark Hughes
MCU Carves Power Domains to Optimize CPU Load, Data Transfers

MCU Carves Power Domains to Optimize CPU Load, Data Transfers

ST's new microcontroller is raising processing levels while boasting three power domains for energy efficiency.


News Oct 31, 2016 by Majeed Ahmad
Silicon Carbide Chips Kickstart a New Era in Power Electronics

Silicon Carbide Chips Kickstart a New Era in Power Electronics

SiC devices—both diodes and transistors—are making inroads in automotive, energy, and industrial environments amid high-power handling capability and power loss savings.


News Oct 24, 2016 by Majeed Ahmad
Ghostbusters Toaster—A Solenoid Lesson

Ghostbusters Toaster—A Solenoid Lesson

With the help of some solenoids, the Dancing Ghostbusters Toaster really topped off my Halloween costume this year!


Projects Oct 24, 2016 by Ryan Jones
Build Your Own LED Saber—Firmware, Microcontroller, and Testing

Build Your Own LED Saber—Firmware, Microcontroller, and Testing

In part 3, we compile the firmware and build the controller at the heart of the Saber, then do initial testing and diagnostics.


Projects Oct 20, 2016 by Jeremy Lee
C-BISCUIT: Schematic Design for the RCB—Power, Stepper

C-BISCUIT: Schematic Design for the RCB—Power, Stepper

We’ll continue our discussion of the C-BISCUIT demo bot by looking at portions of the RCB schematic that weren’t covered in the previous article.


Projects Oct 07, 2016 by Robert Keim
Retro Teardown: The ZX Spectrum

Retro Teardown: The ZX Spectrum

In this Retro Teardown, we will look at the most iconic computer of British History—the ZX Spectrum!


News Sep 29, 2016 by Robin Mitchell