Latest Consumer Electronics Technical Articles

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

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

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

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

In this project, we’re using an Arduino Uno and a Raspberry Pi 3 Model B to create an automatic wildlife camera. And,…

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.

This article discusses some details—efficiency, noise, etc.—that influence the choice of operational frequencies for…

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

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

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

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

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

This article explores the schematic design and basic features of a smart programmable wireless controller module I…

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

This article discusses details that will help you choose the right kind of solar cell and successfully incorporate it…

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

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

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

In this article we’ll look at the PCB design for a low-noise ±5 V inductorless power supply.

In this article we’ll look at the PCB design for a low-noise ±5 V inductorless power supply.

This article presents and discusses a schematic design for a ±5 V inductorless power supply.

This article presents and discusses a schematic design for a ±5 V inductorless power supply.

This article discusses charge-pump DC/DC converters and introduces a design for an inductorless bipolar power-supply circuit.

This article discusses charge-pump DC/DC converters and introduces a design for an inductorless bipolar power-supply circuit.

In this article, we will assess and characterize the hardware of two power management IC development boards from Cypress…

In this article, we will assess and characterize the hardware of two power management IC development boards from Cypress Semiconductor, designed for energy-harvesting applications.

This tech brief provides an overview of a somewhat uncommon member of the flip-flop family.

This tech brief provides an overview of a somewhat uncommon member of the flip-flop family.

This technical brief explains two distinct types of electromagnetic interference.

This technical brief explains two distinct types of electromagnetic interference.

Does the addition of a feedback divider affect PLL transient response? We’ll look at this question and other…

Does the addition of a feedback divider affect PLL transient response? We’ll look at this question and other frequency-multiplication topics in this article.

One of the biggest fears many British people face is forgetting to say sorry. This project is designed to automatically…

One of the biggest fears many British people face is forgetting to say sorry. This project is designed to automatically apologize when the user bumps into an object.

This article explains how a PLL can be used to produce a high-frequency clock from a low-frequency reference signal.

This article explains how a PLL can be used to produce a high-frequency clock from a low-frequency reference signal.

In this article we’ll explore PLL transient-response optimization using simulations and a design example.

In this article we’ll explore PLL transient-response optimization using simulations and a design example.