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Make Your Own GPS Transmitter with the HC-12 Transceiver

Make Your Own GPS Transmitter with the HC-12 Transceiver

Create a tracking device with an HC-12 transceiver, a GPS module, an Arduino, and Google Maps.


Projects Nov 10, 2016 by Mark Hughes
Focusing on Phase: The All-Pass Filter

Focusing on Phase: The All-Pass Filter

How do you design a filter that (ideally) has the same gain for all frequencies? And, furthermore, why would you want to do this?


Raspberry Pi Object Detection Cat Toy

Raspberry Pi Object Detection Cat Toy

This object detection toy will keep your cat's head spinning for hours!


Projects Nov 07, 2016 by Ryan Jones
How to Build a Touchless MIDI Controller with Arduino

How to Build a Touchless MIDI Controller with Arduino

Learn how to build your own touchless MIDI controller using an Arduino... video and code file included.


Projects Nov 03, 2016 by Evan Kale
Understanding and Implementing the HC-12 Wireless Transceiver Module

Understanding and Implementing the HC-12 Wireless Transceiver Module

The HC-12 is a 100mW multi-channel wireless transceiver you can use in your projects to transmit and receive serial information.


Projects Nov 02, 2016 by Mark Hughes
Analyzing Circuits via Source Transformation

Analyzing Circuits via Source Transformation

This article uses examples to explain the technique of source transformation.


Introduction to Wireless Power Transfer

Introduction to Wireless Power Transfer

Wireless Power Transfer holds the promise of freeing us from the tyranny of power cords. This technology is being incorporated into all kinds of devices and systems.


Build Your Own Low-Resistance Meter

Build Your Own Low-Resistance Meter

This project will show you how to make a device that can measure resistances as low as 0.1 ohms.


Projects Oct 26, 2016 by Robin Mitchell
C-BISCUIT: Layout and Assembly for the Robot Control Board

C-BISCUIT: Layout and Assembly for the Robot Control Board

We’ll discuss some important layout and manufacturing concepts as we look at the PCB for the Robot Control Board.


Projects Oct 25, 2016 by Robert Keim
Ghostbusters Toaster—A Solenoid Lesson

Ghostbusters Toaster—A Solenoid Lesson

With the help of some solenoids, the Dancing Ghostbusters Toaster really topped off my Halloween costume this year!


Projects Oct 24, 2016 by Ryan Jones
Build Your Own LED Saber—Assembly and Hilt Construction

Build Your Own LED Saber—Assembly and Hilt Construction

In the final installment, we build our light-blade and assemble the electronics into the hilt.


Projects Oct 21, 2016 by Jeremy Lee
Build Your Own LED Saber—Firmware, Microcontroller, and Testing

Build Your Own LED Saber—Firmware, Microcontroller, and Testing

In part 3, we compile the firmware and build the controller at the heart of the Saber, then do initial testing and diagnostics.


Projects Oct 20, 2016 by Jeremy Lee
Build Your Own LED Saber—Audio and Power Systems

Build Your Own LED Saber—Audio and Power Systems

In part 2 of the LED saber project, we'll assemble the power and audio systems.


Projects Oct 19, 2016 by Jeremy Lee
How to Build the Brightest LED Saber in the World

How to Build the Brightest LED Saber in the World

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.


Projects Oct 18, 2016 by Jeremy Lee
How to Design a Bluetooth Low Energy Circuit with Sensor Technology

How to Design a Bluetooth Low Energy Circuit with Sensor Technology

Tutorial on designing a Bluetooth Low Energy (BLE) circuit with the ability to measure 9-axis motion, humidity, and temperature.


Solenoids: Understanding Actuation and Voltage Polarity

Solenoids: Understanding Actuation and Voltage Polarity

This technical brief will explore some fundamental details related to solenoid operation and implementation.


Antenna Basics: Radiation Patterns, Permittivity, Directivity, and Gain

Antenna Basics: Radiation Patterns, Permittivity, Directivity, and Gain

Antennas allow information to be transferred to distant locations. In the second part of this Antenna Basics series, you will learn more about the physics of how antennas work.


Max & Math: Maxwell’s Equations in Relativistic Times

Max & Math: Maxwell’s Equations in Relativistic Times

Maxwell's equations, which summarize the interaction of electromagnetic fields, have always been described using the "math of the times." Using tensors, they can be given in two equations!


Arduino Traffic Light Timing Lesson

Arduino Traffic Light Timing Lesson

The Traffic Light Controller enables you to gain control of your road rage with a sense of understanding!


Projects Oct 10, 2016 by Ryan Jones
C-BISCUIT: Schematic Design for the RCB—Power, Stepper

C-BISCUIT: Schematic Design for the RCB—Power, Stepper

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.


Projects Oct 07, 2016 by Robert Keim