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The Basics of Emitter-Coupled Logic

This article will review the operation of a basic ECL inverter/buffer, and then we’ll look at some of the most important features of this logic family.

July 12, 2018 by Dr. Steve Arar

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.

June 28, 2018 by Robert Keim

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.

June 15, 2018 by Robin Mitchell

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.

June 07, 2018 by Robert Keim

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.

June 06, 2018 by Robert Keim

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.

May 30, 2018 by Robert Keim

Hardware Evaluation for the Cypress S6AE102A/S6AE103A Eval Kit for Energy Harvesting Applications

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.

May 08, 2018 by Mark Hughes

Designing a Self-Biasing Class C Amplifier

This article, part of AAC’s Analog Circuit Collection, explores a self-biased class C stage that could be used in an RF power amplifier.

January 18, 2018 by Robert Keim

Power Hold-Up and Energy Storage Management Devices

In this article, we discuss power hold-up and some energy storage management devices in the context of SSDs.

November 22, 2017 by Nick Davis

PCB Layout for an Arbitrary Waveform Generator

In this article we’ll discuss the PCB layout for a custom-designed arbitrary waveform generator board.

November 17, 2017 by Robert Keim

How to Build a Weighing Scale Using a Load Cell and a Microcontroller

In this project, we're making a weighing scale using a C8051 microcontroller development kit, a load cell, and the Simplicity Studio IDE. The measured weight will be displayed on an LCD screen.

October 10, 2017 by Nick Davis

Mitigate Power Failure Programming Issues Using EERAM

In this how-to article, we explore the use of I2C EERAM to save critical program variables when power fails and restore them when power returns to easily preserve program continuity.

August 07, 2017 by Raymond Genovese

The Wi-Fi Eye, Part 4: Power System and Neopixel Lights

In part 4 of our Wi-Fi Eye project, we'll deal with our power supply

July 28, 2017 by Jeremy Lee

The Wi-Fi Eye, Part 3: Choosing the Right Servos for the Job

Part 3 of this project focuses on choosing and configuring the servos you will use to create your Wi-Fi Eye.

July 27, 2017 by Jeremy Lee

The Wi-Fi Eye, Part 1: Introduction, Features, and Materials

Building an animatronic, wearable, Wi-Fi robots, part 1: Programming the controller.

July 25, 2017 by Jeremy Lee

ESP Alarm: Make an IoT, Wi-Fi Enabled Alarm Clock with an ESP8266 and Arduino UNO

Learn how to make your own Wi-Fi-enabled "ESP Alarm."

July 21, 2017 by Yahya Tawil

“Everything is Better with Bluetooth”:  Add Your Own Custom Bluetooth LE to Your Next Project

Bluetooth low energy (BLE) is designed to intermittently transmit information using a limited amount of power. This article provides the building blocks that allow you to add BLE to your projects for $5 (plus a one-time purchase of a $15 programmer).

June 28, 2017 by Mark Hughes

Simplified Power Supervision for Portable Devices: A New Battery Management IC from Maxim

There are many integrated circuits that can help you to optimize the performance of battery-powered devices. In this article we’ll take a look at the MAX17055.

April 10, 2017 by Robert Keim

Determining the Equivalent Series Resistance (ESR) of Capacitors

Learn more about the importance of capacitor ESR, how to measure it, and what factors can affect your measurements.

March 31, 2017 by Amos Kingatua

Interpreting Current-Voltage Curves of Different Materials

This article discusses the ideas involved in measuring and interpreting the current-voltage curves of solar cells, batteries, and unknown materials.

February 24, 2017 by Ashwati Krishnan