Latest Analog Technical Articles

The Beaglebone Treat-Feeder is the prototype for a great pet-feeding device! Keep track of your pet's diet while you…

The Beaglebone Treat-Feeder is the prototype for a great pet-feeding device! Keep track of your pet's diet while you stuff your face!

This article explains the rules associated with the technique of source shifting.

This article explains the rules associated with the technique of source shifting.

LED ring flashes and lights can be a valuable tool for photographers. In this tutorial, we are going to build our own…

LED ring flashes and lights can be a valuable tool for photographers. In this tutorial, we are going to build our own ring light out of LEDs!

Tracking an infrared light source is not as difficult as you might think; a 14-pin PICAXE, a stepper motor with a driver…

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.

This article discusses the I-V curves of passive non-linear devices such as diodes, transistors, and thyristors.

This article discusses the I-V curves of passive non-linear devices such as diodes, transistors, and thyristors.

This article provides insight into the practical aspects of correlation.

This article provides insight into the practical aspects of correlation.

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

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

The motion-activated Santa Cam is sure to catch who is stealing your milk and cookies this holiday season! You can even…

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!

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

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

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

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

Nowhere to hide presents this holiday season? No problem! This alarm will sound anytime a loved one tries to get a sneak…

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.

How do designers cope with a system that has highly variable input amplitude yet requires fairly constant output…

How do designers cope with a system that has highly variable input amplitude yet requires fairly constant output amplitude? Let’s take a look.

This article provides insight into the importance of complex conjugates in electrical engineering.

This article provides insight into the importance of complex conjugates in electrical engineering.

Freeze moments in time to easily produce extraordinary close-up pictures with your digital camera, an Arduino, and these…

Freeze moments in time to easily produce extraordinary close-up pictures with your digital camera, an Arduino, and these simple circuits.

How do you design a filter that (ideally) has the same gain for all frequencies? And, furthermore, why would you want to do this?

How do you design a filter that (ideally) has the same gain for all frequencies? And, furthermore, why would you want to do this?

Learn how to build your own touchless MIDI controller using an Arduino... video and code file included.

Learn how to build your own touchless MIDI controller using an Arduino... video and code file included.

This article uses examples to explain the technique of source transformation.

This article uses examples to explain the technique of source transformation.

This project will show you how to make a device that can measure resistances as low as 0.1 ohms.

This project will show you how to make a device that can measure resistances as low as 0.1 ohms.

Antennas allow information to be transferred to distant locations. In the second part of this Antenna Basics series, you…

Antennas allow information to be transferred to distant locations. In the second part of this Antenna Basics series, you will learn more about the physics of how antennas work.