In this project, you'll learn how to build a 4-bit binary counter using a 5x7 LED matrix for data count value visualization. The project will use a combination…
In this project, you'll learn how to build a 4-bit binary counter using a 5x7 LED matrix for data count value visualization. The project will use a combination of standard electronic and surface mount components.
Learn how to build a system that can turn DC loads on and off using a mobile application. You'll also learn how to…
Learn how to build a system that can turn DC loads on and off using a mobile application. You'll also learn how to perform this task via immediate actions or via timers set in advance.
Learn about a fairly simple yet highly beneficial modification to the drain-resistor-based version of the MOSFET…
Learn about a fairly simple yet highly beneficial modification to the drain-resistor-based version of the MOSFET differential pair.
Now that we've got the Wandboard up and running, it's time to set up some tools to help us check in on our growing robot's status.
Now that we've got the Wandboard up and running, it's time to set up some tools to help us check in on our growing robot's status.
In this article, we’ll examine the most straightforward version of this foundational integrated-circuit amplifier topology.
In this article, we’ll examine the most straightforward version of this foundational integrated-circuit amplifier topology.
This project details the process by which AC-powered speaker sets can typically be converted to battery power. I'll…
This project details the process by which AC-powered speaker sets can typically be converted to battery power. I'll detail my own projects and provide advice for converting almost any set of speakers.
Learn about a straightforward version of a circuit that is essential in the design of analog integrated circuits.
Learn about a straightforward version of a circuit that is essential in the design of analog integrated circuits.
Learn how to use a Raspberry Pi and an Arduino to develop a system for monitoring and controlling your home.
Learn how to use a Raspberry Pi and an Arduino to develop a system for monitoring and controlling your home.
This article describes the bridge-amplifier configuration and explains why it’s especially handy when you don’t have…
This article describes the bridge-amplifier configuration and explains why it’s especially handy when you don’t have a negative voltage supply.
Continuing the C-BISCUIT series, this article outlines how to populate and test the surface mount PCBs designed in a…
Continuing the C-BISCUIT series, this article outlines how to populate and test the surface mount PCBs designed in a previous article using a hot air rework station and other various electronics tools.
The PICAXE 40X2 features 32 I/O ports and speeds up to 64MHz; a development platform simplifies project design using this…
The PICAXE 40X2 features 32 I/O ports and speeds up to 64MHz; a development platform simplifies project design using this workhorse.
In this article, we will look at the characteristics of junction diodes and learn how to analyze circuits containing…
In this article, we will look at the characteristics of junction diodes and learn how to analyze circuits containing diodes that operate in the forward, reverse, and breakdown biases.
In this article, we’ll compare active and passive filters and look at some common second-order active topologies.
In this article, we’ll compare active and passive filters and look at some common second-order active topologies.
This project will show you how to connect an ultrasonic sensor and an Arduino to turn on a light when motion is sensed.
This project will show you how to connect an ultrasonic sensor and an Arduino to turn on a light when motion is sensed.
Learn about some of those less-than-obvious specifications found in datasheets for linear voltage regulators.
Learn about some of those less-than-obvious specifications found in datasheets for linear voltage regulators.
In this article, we will discuss some characteristics of the ideal diode. We'll also learn how to analyze circuits that…
In this article, we will discuss some characteristics of the ideal diode. We'll also learn how to analyze circuits that contain more than one ideal diode in conjunction with resistors and DC power sources.
The mighty soldering iron. If you need one, want one, or just love to build stuff, then this project is for you.
The mighty soldering iron. If you need one, want one, or just love to build stuff, then this project is for you.
Part Two in this three-article series explores the SAM4S DAC. We’ll look at hardware configuration, electrical…
Part Two in this three-article series explores the SAM4S DAC. We’ll look at hardware configuration, electrical characteristics, and the application programming interface.
Counters using 7-segment LEDs are fun and useful projects for scoreboards and other numerical displays; here's one you can build.
Counters using 7-segment LEDs are fun and useful projects for scoreboards and other numerical displays; here's one you can build.
If you are a boat owner, I'll guess you've seen some of the prices on the chart plotters and navigation tools. Some of…
If you are a boat owner, I'll guess you've seen some of the prices on the chart plotters and navigation tools. Some of them are pretty expensive. In this article I'll show you how I deal with that.
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