Latest IoT Technical Articles

Among modulator circuits, the ring modulator stands out as one of the most effective for generating AM signals. Learn why…

Among modulator circuits, the ring modulator stands out as one of the most effective for generating AM signals. Learn why in this article.

Learn about the working principles of near-field probes and their applications in troubleshooting EMI issues.

Learn about the working principles of near-field probes and their applications in troubleshooting EMI issues.

In this project article, we’ll create a programmable device that alerts users to changes in ambient light levels. Along…

In this project article, we’ll create a programmable device that alerts users to changes in ambient light levels. Along the way, we’ll learn about astable multivibrators and the Darlington pair.

In this article, we discuss the basics of RF modulation and how it affects the performance of communication systems.

In this article, we discuss the basics of RF modulation and how it affects the performance of communication systems.

For this project, I built a handheld resistor color code calculator and ohmmeter using the ATmega328 microcontroller and…

For this project, I built a handheld resistor color code calculator and ohmmeter using the ATmega328 microcontroller and a 1.8-inch color LCD display.

In this Radio Shack Classic Circuits Remix, we add modern microcontroller functionality to the vintage Electronic Timer…

In this Radio Shack Classic Circuits Remix, we add modern microcontroller functionality to the vintage Electronic Timer project for the Science Fair 65-in-1 kit.

Learn how to turn an nRF52 development kit into a Bluetooth Low Energy beacon that broadcasts either static or dynamic…

Learn how to turn an nRF52 development kit into a Bluetooth Low Energy beacon that broadcasts either static or dynamic custom data.

Learn how to implement finite-state machines in VHDL by creating a 4-bit binary counter. After compiling, it will run on…

Learn how to implement finite-state machines in VHDL by creating a 4-bit binary counter. After compiling, it will run on an Altera CPLD development board connected to a custom PCB with input switches and an LED display.

Learn about Wi-Fi HaLow, a long-range, low-power wireless standard for IoT applications.

Learn about Wi-Fi HaLow, a long-range, low-power wireless standard for IoT applications.

In this project, we mix the old and the new by integrating present-day BLE technology with a vintage Science Fair computer kit.

In this project, we mix the old and the new by integrating present-day BLE technology with a vintage Science Fair computer kit.

This article demonstrates the operation of an LTspice shift register and discusses details of its schematic and timing…

This article demonstrates the operation of an LTspice shift register and discusses details of its schematic and timing relationships.

Customizing the device parameters of LTspice's logic gates and flip-flops can help you more accurately simulate these…

Customizing the device parameters of LTspice's logic gates and flip-flops can help you more accurately simulate these components. This article walks through the specification process and provides some helpful tips.

This article explains how to successfully integrate logic gates into an LTspice simulation.

This article explains how to successfully integrate logic gates into an LTspice simulation.

The formation of eddy currents can cause problems for magnetic cores at high frequencies. To mitigate these undesirable…

The formation of eddy currents can cause problems for magnetic cores at high frequencies. To mitigate these undesirable effects, we first need to understand them.

In this article, we use the concept of magnetic field intensity to help explain how complex permeability models the…

In this article, we use the concept of magnetic field intensity to help explain how complex permeability models the losses of a magnetic core.

In this article, we explore two different methods for analyzing the impedance transformation ratio of a transmission line…

In this article, we explore two different methods for analyzing the impedance transformation ratio of a transmission line transformer.

In this project, which uses the Arduino IDE, we create and demonstrate a digital drawing pad using an ESP32-based e-paper…

In this project, which uses the Arduino IDE, we create and demonstrate a digital drawing pad using an ESP32-based e-paper display dev board, rotary encoders for drawing control, and an accelerometer for shake detection to initiate an erase.

Learn how to design the battery array that best fits your system’s power requirements. This article will help you…

Learn how to design the battery array that best fits your system’s power requirements. This article will help you interpret battery specifications, estimate operating life, and understand the relationship between capacity, load, and environment.

Learn about the characteristics and limitations of an operational amplifier’s output voltage range.

Learn about the characteristics and limitations of an operational amplifier’s output voltage range.