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Clock Signal Management: Clock Resources of FPGAs

Clock Signal Management: Clock Resources of FPGAs

This article will review the common FPGA resources that allow us to efficiently generate and distribute clock signals throughout a system.


Why Do We Need Matched Termination with High Speed Logic Families?

Why Do We Need Matched Termination with High Speed Logic Families?

This article will try to develop a better insight into wave reflection that can occur when driving a relatively long wire with a fast logic gate.


How to Build a Class-D Power Amp

How to Build a Class-D Power Amp

Learn how to build your own Class D power amplifier—one of the most efficient ways to listen to music.


Projects Aug 29, 2018 by Cezar Chirila
Learn RF Design: Choosing the Right RF Transceiver IC

Learn RF Design: Choosing the Right RF Transceiver IC

Learn about integrated circuits that can help you to design customized RF communication systems.


Protect Your Summer Harvest with the Gentleman Maker’s Raspberry Pi and Arduino Dog Corrector

Protect Your Summer Harvest with the Gentleman Maker’s Raspberry Pi and Arduino Dog Corrector

In this episode of the Gentleman Maker, we're using a Raspberry Pi and an Arduino Uno to stave off the onslaught of dogs trying to eat every single plant in our garden.


Projects Aug 09, 2018 by Robin Mitchell
What Is Embedded System Design? Defining an Electrical Engineering Field

What Is Embedded System Design? Defining an Electrical Engineering Field

Could you concisely define "embedded system design" off the top of your head? This article looks at the essential characteristics of an increasingly prominent specialization within the field of electrical engineering.


PCB Layout Tips and Tricks: Minimizing Decoupling Inductance

PCB Layout Tips and Tricks: Minimizing Decoupling Inductance

This article examines some subtle details associated with the high-frequency performance of decoupling capacitors.


How Do Satellites Communicate with a GPS System? A Look at the GPS Antenna

How Do Satellites Communicate with a GPS System? A Look at the GPS Antenna

Antennas provide the wireless linkage required for any satellite-based system. Here's a look at the many antennas of GPS.


PCB Layout Tips and Tricks: How to Optimize Your Decoupling Connection

PCB Layout Tips and Tricks: How to Optimize Your Decoupling Connection

This article explores the somewhat complicated issue of how exactly to connect a decoupling capacitor to a power pin.


PCB Layout Tips and Tricks: Use a Ground Plane Whenever Possible

PCB Layout Tips and Tricks: Use a Ground Plane Whenever Possible

This article discusses the importance of proper grounding techniques in PCB design.


Hardware Assessment: LightCrafter Evaluation Kit for BeagleBoard Black from Texas Instruments

Hardware Assessment: LightCrafter Evaluation Kit for BeagleBoard Black from Texas Instruments

The Texas Instruments DLPDLCR2000EVM is a demonstration cape designed to plug into a BeagleBone Black (BBB) and provide instant-on projection capabilities using a digital micromirror device and a relatively high-power RGB LED.


Projects Jul 09, 2018 by Mark Hughes
Reverse Polarity Protection: How to Protect Your Circuits Using Only a Diode

Reverse Polarity Protection: How to Protect Your Circuits Using Only a Diode

Connecting power with incorrect polarity is an easy mistake to make. Fortunately, protecting your device from reverse polarity is also quite easy.


A Simple, Compact Power Supply for Analog and Mixed-Signal Systems

A Simple, Compact Power Supply for Analog and Mixed-Signal Systems

This project demonstrates and discusses the performance and functionality of an inductorless ±5 V power-supply circuit.


Projects Jun 18, 2018 by Robert Keim
Take a Gander at Wildlife with Your Raspberry Pi: The Gentleman Maker’s Life-Cam!

Take a Gander at Wildlife with Your Raspberry Pi: The Gentleman Maker’s Life-Cam!

In this project, we’re using an Arduino Uno and a Raspberry Pi 3 Model B to create an automatic wildlife camera. And, as an added bonus, this camera works at night. Make one of your own to snap photos of local birds, parading pups, or sneaky humans.


Projects Jun 15, 2018 by Robin Mitchell
How to Choose the Frequency of Your Switching Regulator

How to Choose the Frequency of Your Switching Regulator

This article discusses some details—efficiency, noise, etc.—that influence the choice of operational frequencies for switch-mode power supplies.


PCB Layout for a Photovoltaic Power Supply for Microcontroller Circuits

PCB Layout for a Photovoltaic Power Supply for Microcontroller Circuits

This article discusses the PCB layout for a power-supply circuit that generates a regulated 3.3 V rail from a small solar cell.


Schematic Design for a Solar-Powered Charge-Pump Power Supply Circuit

Schematic Design for a Solar-Powered Charge-Pump Power Supply Circuit

This article discusses a 3.3 V power-supply circuit that is built around an inductorless DC/DC converter and a solar cell.


Hardware Evaluation of a Custom Programmable Wi-Fi Controller: The WiCard

Hardware Evaluation of a Custom Programmable Wi-Fi Controller: The WiCard

This article explores the schematic design and basic features of a smart programmable wireless controller module I designed: the WiCard.


Selecting and Implementing Photovoltaic Cells for Solar-Powered Devices

Selecting and Implementing Photovoltaic Cells for Solar-Powered Devices

This article discusses details that will help you choose the right kind of solar cell and successfully incorporate it into your next project.


The Circuit Designer’s Guide to Photovoltaic Cells for Solar-Powered Devices

The Circuit Designer’s Guide to Photovoltaic Cells for Solar-Powered Devices

This article presents the equivalent circuit for a solar cell and discusses some implementation details.