All you need to know about LED arrays. If you want to learn about them, drive one using an Arduino, or build them, this is the place to start.
All you need to know about LED arrays. If you want to learn about them, drive one using an Arduino, or build them, this is the place to start.
An important application of the diode is one that takes place in the design of the rectifier circuit. Simply put, this…
An important application of the diode is one that takes place in the design of the rectifier circuit. Simply put, this circuit converts alternating current (AC) to direct current (DC). This is an essential circuit in AC-to-DC power-supply design.
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.
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.
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.
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 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.
Using Finite State Machines (FSM) is a common industrial practice in coding but their use extends beyond everyday…
Using Finite State Machines (FSM) is a common industrial practice in coding but their use extends beyond everyday software. They can easily be used in projects, help prevent bugs, stop infinite loops hogging the processor, and ease debugging.
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.
Mentioned in the previous article, the first of two most commonly used operational amplifiers, the inverting…
Mentioned in the previous article, the first of two most commonly used operational amplifiers, the inverting configuration is heavily used in audio mixers or digital-to-audio converters. In this article, we will discuss the second amplifier configuration, known as the non-inverting amplifier.
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.
One of the reasons the operation amp (op-amp) is so reputable is because of its versatility. In this article, you will…
One of the reasons the operation amp (op-amp) is so reputable is because of its versatility. In this article, you will see that almost anything can be done using an op-amp. It is also notable that this integrated circuit has many characteristics that approach those that are considered to be ideal.
In this article, we'll delve into amplitude modulation and what it's used for. Also, we will differentiate between…
In this article, we'll delve into amplitude modulation and what it's used for. Also, we will differentiate between communication methods that do and do not use modulation.
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.
Build a simple solar powered battery charger for Ni-MH batteries.
Build a simple solar powered battery charger for Ni-MH batteries.
In this project, Jason Poel Smith builds a battery backup system that you can use for small electronics to make sure that…
In this project, Jason Poel Smith builds a battery backup system that you can use for small electronics to make sure that they never lose power.