Learn how to listen to frequencies on the air with nothing more than a USB dongle: first FM radio, then voice signals.
Learn how to listen to frequencies on the air with nothing more than a USB dongle: first FM radio, then voice signals.
All about software-defined radio (SDR).
All about software-defined radio (SDR).
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.
In this short project article series, we will implement a simple PID controller using LabVIEW on a hobby DC servo motor…
In this short project article series, we will implement a simple PID controller using LabVIEW on a hobby DC servo motor and the NI myRIO.
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.
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.
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.
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.
In this short project article series, we will implement a simple PID controller using LabVIEW with a hobby DC servo motor…
In this short project article series, we will implement a simple PID controller using LabVIEW with a hobby DC servo motor and NI myRIO.
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.
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.
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.
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.
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.
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 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.
Invoke the power of the PID (proportional–integral–derivative controller)! The key components in this design are an…
Invoke the power of the PID (proportional–integral–derivative controller)! The key components in this design are an EFM8 microcontroller, a DAC, and the MAX31855 thermocouple-to-digital converter.
In this project, you'll learn how to wire an LED and flash it using the Raspberry Pi. Also, to isolate the Raspberry Pi's…
In this project, you'll learn how to wire an LED and flash it using the Raspberry Pi. Also, to isolate the Raspberry Pi's + 3.3VDC compliant output pins from supply voltages greater than this power source, an opto-isolator will be introduced as well.
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