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.
In spite of their convenience, the cost of solder paste stencils has prevented many hobbyists from using them. But the…
In spite of their convenience, the cost of solder paste stencils has prevented many hobbyists from using them. But the use of polyimide film has brought the prices within reach... if you know how and where to get them.
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.
This article presents some basic cap-sense circuit configurations and discusses how to deal with low- and high-frequency noise.
This article presents some basic cap-sense circuit configurations and discusses how to deal with low- and high-frequency noise.
File systems can be great for handling data and organizing memory, but most file systems require large amounts of memory.…
File systems can be great for handling data and organizing memory, but most file systems require large amounts of memory. This is where MicroFAT comes in!
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.
UART is a great transmission protocol for both hobby and professional projects but, in time-critical systems, UART can be tricky.
UART is a great transmission protocol for both hobby and professional projects but, in time-critical systems, UART can be tricky.
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.
A smoother transition band and ripples in the passband are the most important differences between the ideal filters and…
A smoother transition band and ripples in the passband are the most important differences between the ideal filters and those designed by window method. This article tries to provide a deeper insight into how truncation leads to these features.
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.
Learn how to make flashing your ARM-based MCU easy by using OpenOCD debugger with an FT2232H adapter.
Learn how to make flashing your ARM-based MCU easy by using OpenOCD debugger with an FT2232H adapter.
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.
Internal or external? Quartz or ceramic? Crystal oscillator or silicon oscillator? So many clocking options . . . which…
Internal or external? Quartz or ceramic? Crystal oscillator or silicon oscillator? So many clocking options . . . which one is right for your design?
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.
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.
In this article, we'll review the basic concepts in digital filter design. We'll also briefly discuss the advantages of…
In this article, we'll review the basic concepts in digital filter design. We'll also briefly discuss the advantages of FIR filters over IIR designs, e.g. stability and linear-phase response. Finally, we'll go over an introduction to designing FIR filters via the window method.
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