Harvesting energy from non-conventional sources has received an increased interest as designers look for alternative power sources. Even though the power is…
Harvesting energy from non-conventional sources has received an increased interest as designers look for alternative power sources. Even though the power is usually harvested in small amounts, it is adequate for various low-power applications.
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 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.
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.
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.
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.
This project covers integrating servo control and object detection.
This project covers integrating servo control and object detection.
In this project, the reader will learn how to build and program a desktop industrial automation trainer for…
In this project, the reader will learn how to build and program a desktop industrial automation trainer for experimentation in robotics, motor, and process control system concepts on their workbench.
Mentioned in the previous article, an operational amplifier is usually connected to components in a feedback circuit. In…
Mentioned in the previous article, an operational amplifier is usually connected to components in a feedback circuit. In this article, we will discuss one of two amp configurations that are most widely used.
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.
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.
No I2C interface with that sensor? No problem. Program a PIC chip as an I2C slave device for custom sensor and I/O…
No I2C interface with that sensor? No problem. Program a PIC chip as an I2C slave device for custom sensor and I/O interfacing. Here, we use three DHT22 sensors on a single I2C interface.
We will explore how P, I, and D gain influences system performance, and in the process we will find a gain configuration…
We will explore how P, I, and D gain influences system performance, and in the process we will find a gain configuration that works well for our temperature controller.
With USB communications and a Scilab graphical user interface, we can really see what the PID controller is doing.
With USB communications and a Scilab graphical user interface, we can really see what the PID controller is doing.
We will implement a basic PID (proportional–integral–derivative) controller in firmware and observe the results using…
We will implement a basic PID (proportional–integral–derivative) controller in firmware and observe the results using an oscope and LEDs.
This project explains the basic operation of servo motors and how to interface with them using an Arduino Uno.
This project explains the basic operation of servo motors and how to interface with them using an Arduino Uno.
While the C-BISCUIT project is far from complete, it's already come a long way, seeing numerous ideas and design goals in…
While the C-BISCUIT project is far from complete, it's already come a long way, seeing numerous ideas and design goals in the process. This article will discuss some of these.
We'll learn Arduino library implementation and establish the firmware framework for the 7-part project series. We'll use…
We'll learn Arduino library implementation and establish the firmware framework for the 7-part project series. We'll use Microsoft Visual Studio Express for library editing.
This article covers the firmware that allows the EFM8 microcontroller to communicate with the DAC and the MAX31855.
This article covers the firmware that allows the EFM8 microcontroller to communicate with the DAC and the MAX31855.
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