Combine the Si4844-A10 analog-tuned radio receiver with an Arduino to make a full-featured multiband radio.
Combine the Si4844-A10 analog-tuned radio receiver with an Arduino to make a full-featured multiband radio.
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 take a detailed (but not too detailed) look at the electrical principles that allow us to detect…
In this article, we will take a detailed (but not too detailed) look at the electrical principles that allow us to detect the presence of a human finger using little more than a capacitor.
In part 7 of the "Building Raspberry Pi Controllers" series, readers will learn how to make an interactive graphics…
In part 7 of the "Building Raspberry Pi Controllers" series, readers will learn how to make an interactive graphics bouncing ball using a Raspberry Pi and physical computing techniques.
Most hobbyists and many professionals use EAGLE CAD as a daily tool in designing schematics and laying out PCB. I’m…
Most hobbyists and many professionals use EAGLE CAD as a daily tool in designing schematics and laying out PCB. I’m going to share with you more of the most important tips and tricks for using EAGLE CAD, which make my work much easier and faster.
Most hobbyists and many professionals use EAGLE CAD as a daily tool in designing schematics and laying out PCB. You're…
Most hobbyists and many professionals use EAGLE CAD as a daily tool in designing schematics and laying out PCB. You're going to learn some tips and tricks for using EAGLE CAD, which will make your work much easier and faster.
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.
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.
Learn about the NES Controller's data protocol, then use this knowledge to easily integrate into an Arduino Uno.
Learn about the NES Controller's data protocol, then use this knowledge to easily integrate into an Arduino Uno.
In this article, we teach C-BISCUIT how to do important life things, such as booting into our OS of choice, and…
In this article, we teach C-BISCUIT how to do important life things, such as booting into our OS of choice, and connecting to the Wi-Fi it'll come to know as the gateway to knowledge.
Part One in this two-article series focuses on the hardware setup and on using a pulse-width-modulated signal to control a servo.
Part One in this two-article series focuses on the hardware setup and on using a pulse-width-modulated signal to control a servo.
Build a generator-powered LED headlight for a longboard for very cheap.
Build a generator-powered LED headlight for a longboard for very cheap.
Learn how to build a device which senses when your computer monitor is physically rotated, and automatically tells your…
Learn how to build a device which senses when your computer monitor is physically rotated, and automatically tells your computer to rotate the display accordingly.
This article provides additional details related to code development, hardware configuration, and the OLED interface.
This article provides additional details related to code development, hardware configuration, and the OLED interface.
Learn about basic procedures and techniques for creating your own projects with Atmel’s SAM4S Xplained Pro development platform.
Learn about basic procedures and techniques for creating your own projects with Atmel’s SAM4S Xplained Pro development platform.
In this article, we will look at two variations on the basic BJT current-buffering circuit.
In this article, we will look at two variations on the basic BJT current-buffering circuit.
Will your linear regulator function properly under all possible operating conditions? To find out, you need to understand…
Will your linear regulator function properly under all possible operating conditions? To find out, you need to understand power dissipation and thermal resistance.
Over-voltage and over-current protection circuit for use with the C-BISCUIT platform's main computer, the Wandboard.
Over-voltage and over-current protection circuit for use with the C-BISCUIT platform's main computer, the Wandboard.
In this article, we will use a simple, proven tuning procedure to find effective values for proportional, integral, and…
In this article, we will use a simple, proven tuning procedure to find effective values for proportional, integral, and derivative gain.