Visualizing how correlated and uncorrelated signals combine offers an intuitive look at power transformation. See how this difference boosts baseband power to…
Visualizing how correlated and uncorrelated signals combine offers an intuitive look at power transformation. See how this difference boosts baseband power to double the output SNR.
This project brief describes how to implement a four-channel differential line driver module for reliable long-distance…
This project brief describes how to implement a four-channel differential line driver module for reliable long-distance data transmission over balanced twisted-pair lines.
This project brief describes how to build a wide-range DC-DC buck converter capable of delivering a regulated 5.0 or 3.3…
This project brief describes how to build a wide-range DC-DC buck converter capable of delivering a regulated 5.0 or 3.3 V output from input voltages ranging from 7 to 60 V.
In this article, we'll learn how to calculate the noise power and signal-to-noise ratio (SNR) of a double-sideband…
In this article, we'll learn how to calculate the noise power and signal-to-noise ratio (SNR) of a double-sideband suppressed-carrier communication system.
This project brief describes how to assemble an isolated half-bridge IGBT gate driver module built around the…
This project brief describes how to assemble an isolated half-bridge IGBT gate driver module built around the NCD57085DR2G. It features onboard current sensing and overcurrent protection.
This project brief explains how to construct a PCB-based audio-processing platform with an ATmega328 microcontroller. A…
This project brief explains how to construct a PCB-based audio-processing platform with an ATmega328 microcontroller. A link to Arduino code for creating an audio echo is also provided.
This project brief provides the instructions for building a weight-sensitive LED lamp with an Arduino Uno and a handful…
This project brief provides the instructions for building a weight-sensitive LED lamp with an Arduino Uno and a handful of commercially available parts.
The Hogge phase detector plays multiple roles in CDR circuits. In this article, we'll explore the Hogge detector's…
The Hogge phase detector plays multiple roles in CDR circuits. In this article, we'll explore the Hogge detector's behavior, highlight its main drawbacks, and introduce a different configuration that addresses them.
In this project, we'll construct and test a microcontroller-based system that digitally generates analog signals.
In this project, we'll construct and test a microcontroller-based system that digitally generates analog signals.
Learn how PLLs enable communication in which a clock signal is not transmitted with the data. We’ll look specifically…
Learn how PLLs enable communication in which a clock signal is not transmitted with the data. We’ll look specifically at return-to-zero (RZ) and non-return-to-zero (NRZ) data formats.
In this project, we'll build and demonstrate a discrete analog solution to the incompatible logic levels of an Arduino…
In this project, we'll build and demonstrate a discrete analog solution to the incompatible logic levels of an Arduino Uno and an Elecrow e-paper HMI display.
We use a Raspberry Pi and free software to build a test platform for IoT systems.
We use a Raspberry Pi and free software to build a test platform for IoT systems.
In Part 2 of this two-part series, we turn our hardware assembly into a functioning soundboard by adding the necessary…
In Part 2 of this two-part series, we turn our hardware assembly into a functioning soundboard by adding the necessary code in Arduino IDE and uploading soundbites.
Learn how to turn an ATmega328 microcontroller and an assortment of readily available parts into a dedicated hardware soundboard.
Learn how to turn an ATmega328 microcontroller and an assortment of readily available parts into a dedicated hardware soundboard.
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.
Follow my upgrade of a handheld game controller as I add a new 1.8-inch color LCD for animated graphics and an…
Follow my upgrade of a handheld game controller as I add a new 1.8-inch color LCD for animated graphics and an accelerometer module for motion control input.
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.
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