Latest Wireless/RF Technical Articles

Antennas allow information to be transferred to distant locations. In the second part of this Antenna Basics series, you…

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.

Maxwell's equations, which summarize the interaction of electromagnetic fields, have always been described using the…

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!

Use an Arduino/Genuino 101 with iAQ-Core air quality and HIH-6131 temperature/humidity sensors to make an Indoor Air…

Use an Arduino/Genuino 101 with iAQ-Core air quality and HIH-6131 temperature/humidity sensors to make an Indoor Air Quality Monitor with Bluetooth low energy (BLE) connectivity.

The Arduino Universal Remote Control is the TV remote your dad wishes he had!

The Arduino Universal Remote Control is the TV remote your dad wishes he had!

Antennas are used to transmit and receive electromagnetic energy. This article covers basic antenna theory.

Antennas are used to transmit and receive electromagnetic energy. This article covers basic antenna theory.

This technical brief explains what differential QPSK is and why it can be advantageous compared to ordinary QPSK.

This technical brief explains what differential QPSK is and why it can be advantageous compared to ordinary QPSK.

Here's a rain gauge that empties itself and that you can read from your easy chair. Best of all, you can build it, yourself.

Here's a rain gauge that empties itself and that you can read from your easy chair. Best of all, you can build it, yourself.

This technical brief covers the basic characteristics of a digital modulation scheme known as quadrature phase shift keying.

This technical brief covers the basic characteristics of a digital modulation scheme known as quadrature phase shift keying.

A tipping bucket rain gauge is a clever way to measure rainfall. Learn how to add wireless capability, a PICAXE…

A tipping bucket rain gauge is a clever way to measure rainfall. Learn how to add wireless capability, a PICAXE microcontroller, and an LCD display to your weather station.

A tipping bucket rain gauge, an RF transmitter and receiver, a PICAXE microcontroller, and an LCD can make a great…

A tipping bucket rain gauge, an RF transmitter and receiver, a PICAXE microcontroller, and an LCD can make a great addition to your weather station.

This article will give you the building blocks needed to create your own two-channel wireless remote controller.

This article will give you the building blocks needed to create your own two-channel wireless remote controller.

This technical brief describes channel-length modulation and how it affects MOSFET current–voltage characteristics.

This technical brief describes channel-length modulation and how it affects MOSFET current–voltage characteristics.

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.

Learn how to build a system that can turn DC loads on and off using a mobile application. You'll also learn how to…

Learn how to build a system that can turn DC loads on and off using a mobile application. You'll also learn how to perform this task via immediate actions or via timers set in advance.

Now that we've got the Wandboard up and running, it's time to set up some tools to help us check in on our growing robot's status.

Now that we've got the Wandboard up and running, it's time to set up some tools to help us check in on our growing robot's status.

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.