A discussion of international electrical quality standards and why basic linear power supplies fail to meet them.
A discussion of international electrical quality standards and why basic linear power supplies fail to meet them.
Nowhere to hide presents this holiday season? No problem! This alarm will sound anytime a loved one tries to get a sneak…
Nowhere to hide presents this holiday season? No problem! This alarm will sound anytime a loved one tries to get a sneak peek at his or her surprise.
In part 3, we compile the firmware and build the controller at the heart of the Saber, then do initial testing and diagnostics.
In part 3, we compile the firmware and build the controller at the heart of the Saber, then do initial testing and diagnostics.
In part 2 of the LED saber project, we'll assemble the power and audio systems.
In part 2 of the LED saber project, we'll assemble the power and audio systems.
The brightest blade in the world. Fluid sound effects generated in real time. Any colour, changeable on the fly. If you…
The brightest blade in the world. Fluid sound effects generated in real time. Any colour, changeable on the fly. If you want to know what it feels like to hold a Lightsaber, this project is the closest you can get today.
We’ll continue our discussion of the C-BISCUIT demo bot by looking at portions of the RCB schematic that weren’t…
We’ll continue our discussion of the C-BISCUIT demo bot by looking at portions of the RCB schematic that weren’t covered in the previous article.
Having a logic probe handy is always a must for an electronics workshop. But instead of buying one, why not build your…
Having a logic probe handy is always a must for an electronics workshop. But instead of buying one, why not build your own for a fraction of the cost and have it working in an hour?
When inspecting electronic circuits, most measurements are displayed visually. This tool provides audible feedback to…
When inspecting electronic circuits, most measurements are displayed visually. This tool provides audible feedback to augment your analyses.
Build a 1V octave voltage-controlled oscillator (VCO) module and create your own analogue synth sounds.
Build a 1V octave voltage-controlled oscillator (VCO) module and create your own analogue synth sounds.
In this article, we are going to learn some basics about RFID technology and use an Arduino MEGA to a play around with a…
In this article, we are going to learn some basics about RFID technology and use an Arduino MEGA to a play around with a popular RFID module, the ID12LA.
The Sabertooth 2x32 motor controller can be used to create a robust drive platform for your next robotic endeavour. This…
The Sabertooth 2x32 motor controller can be used to create a robust drive platform for your next robotic endeavour. This article uses an Arduino Uno to communicate with the Sabertooth 2x32 controller.
This two-part project will begin by showing you how to create a robot base from a used electric wheelchair. Part 1…
This two-part project will begin by showing you how to create a robot base from a used electric wheelchair. Part 1 creates a simple robot platform for use with remote control. Part 2 will develop a platform for use with and Arduino.
Harvesting energy from non-conventional sources has received an increased interest as designers look for alternative…
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.
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.
Classifying signals is a way to organize the signals that surround us. It focuses design, testing requirements,…
Classifying signals is a way to organize the signals that surround us. It focuses design, testing requirements, measurement tools, and expected results. There are many ways to classify signals!
In this article we will take a closer look at how to effectively low-pass filter a PWM signal into an analog voltage.
In this article we will take a closer look at how to effectively low-pass filter a PWM signal into an analog voltage.
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.
Use DS3231M RTC alarm functions to make programmable, time-based, switches to power devices on and off at precise times.
Use DS3231M RTC alarm functions to make programmable, time-based, switches to power devices on and off at precise times.
Design and theory behind the 5V-3A buck regulator based on the LM25575 to be used in the C-BISCUIT robot project.
Design and theory behind the 5V-3A buck regulator based on the LM25575 to be used in the C-BISCUIT robot project.