Latest Wireless/RF Technical Articles

This technical brief explains what a CRC is and how you can use it to make your digital communication more robust.

This technical brief explains what a CRC is and how you can use it to make your digital communication more robust.

This technical brief explains some low-level details of the widespread—I might even say ubiquitous—UART communication…

This technical brief explains some low-level details of the widespread—I might even say ubiquitous—UART communication interface.

Even a genius like Tesla couldn't escape the market rules of product success: Be first to market, offer good value, and…

Even a genius like Tesla couldn't escape the market rules of product success: Be first to market, offer good value, and best the competition.

Finally, we have everything we need for a functional robot. Let’s put the pieces together and see what the C-BISCUIT…

Finally, we have everything we need for a functional robot. Let’s put the pieces together and see what the C-BISCUIT demo bot can do.

This article introduces the RS-422 and RS-485 interfaces and explains why you might want to use them in your designs.

This article introduces the RS-422 and RS-485 interfaces and explains why you might want to use them in your designs.

How do designers cope with a system that has highly variable input amplitude yet requires fairly constant output…

How do designers cope with a system that has highly variable input amplitude yet requires fairly constant output amplitude? Let’s take a look.

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

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

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

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

Wireless Power Transfer holds the promise of freeing us from the tyranny of power cords. This technology is being…

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.

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

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

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

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

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.