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Introduction to Electric Vehicle Battery Systems

Electric vehicle design is a complex concept. Here's a look at the heart of every EV: the battery.

July 31, 2019 by Erik Johnson

Why Raspberry Pi Isn’t a Good Choice for Commercial Products

RPi has done some amazing good in the world, especially for aspiring young engineers, but here's the breakdown on why it's probably not what you need for a professional project.

July 19, 2019 by Pallav Aggarwal

Guide to USB-C Pinout and Features

This introductory article will look at some of the most important features of the USB-C standard.

December 10, 2018 by Steve Arar

Design Solution: Using a Small Amount of Space to Add More USB Ports to a Vehicle

This article looks at a solution to add additional USB charging ports to a vehicle using a single chip containing all the necessary parts and delivers 5V to the device.

July 10, 2018 by Nazzareno Rossetti, Maxim Integrated

How To Simplify USB PD 1-4s Charging Design

In this video, we'll take a look at a buck/boost battery manager IC that can charge your device battery using standard USB PD voltages—but it can also work in reverse, providing output to power or charge other devices.

December 05, 2017 by Chris Anderson

How to Easily Add USB Power Delivery to a Design

In this video, we’ll cover some of the aspects of USB Power Delivery, or USB PD, which greatly expands on the simple 5 V supply built into regular USB.

July 13, 2017 by Chris Anderson

Breadboarding and Programming the ATmega328P & ATtiny45 in Atmel Studio 7

In this project, we'll build circuits for programming two different Atmel microcontrollers and we'll discuss the necessary software setup.

July 12, 2017 by Charles R. Hampton

3 Applications That Should Emphasize Protection and Filtering Solutions

Protection and filtering solutions aren’t a new concept, but as systems gain more connectivity in smaller packages, they are more important than ever.

May 06, 2017 by Nexperia

Track Overhead Flights with a Raspberry Pi Zero Wireless, a Software Defined Radio, and FlightAware

This article shows you two ways to use a Raspberry Pi Zero Wireless to track flights in your area. It also demonstrates how it can control a 64×64 RGB matrix.

April 03, 2017 by Mark Hughes

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

Commercial Protocols and Aerospace Cabling: Finding the Right Balance

Some tips for choosing the right the type of cable for your desired application.

February 15, 2017 by Robert P. Moore, TE Connectivity

How to Make a Timed Air Ventilator

Need to ventilate a room? This article will show you how I made a relay-operated, GPS-timed fan to vent out the moist air in my boat's cabin. It is controlled with a PIC16F628A and has an LCD.

January 11, 2017 by Jens Christoffersen

USB Type-C Cables: The New Frontier

USB Type-C: the final frontier. These are the trials and tribulations of navigating this new cable.

December 21, 2016 by Tom Holden, Total Phase

Build Your Own LED Saber—Assembly and Hilt Construction

In the final installment, we build our light-blade and assemble the electronics into the hilt.

October 21, 2016 by Jeremy Lee

Build Your Own LED Saber—Firmware, Microcontroller, and Testing

In part 3, we compile the firmware and build the controller at the heart of the Saber, then do initial testing and diagnostics.

October 20, 2016 by Jeremy Lee

Build a Wireless “Tipping Bucket” Rain Gauge, Part 1—Assembling the Bucket

A tipping bucket rain gauge, an RF transmitter and receiver, a PICAXE microcontroller, and an LCD can make a great addition to your weather station.

August 09, 2016 by Charles R. Hampton

An Introduction to Rectifier Circuits

An important application of the diode is one that takes place in the design of the rectifier circuit. Simply put, this circuit converts alternating current (AC) to direct current (DC). This is an essential circuit in AC-to-DC power-supply design.

June 27, 2016 by Donald Krambeck

Characteristics of Junction Diodes

In this article, we will look at the characteristics of junction diodes and learn how to analyze circuits containing diodes that operate in the forward, reverse, and breakdown biases.

May 20, 2016 by Donald Krambeck

Control a Servo from Your PC with the Atmel SAM4S

Learn how to communicate between your PC and the SAM4S using the Atmel Software Framework’s USB module and simple ASCII commands.

April 25, 2016 by Robert Keim

Servo Control via USB with the SAM4S Xplained Pro

Part One in this two-article series focuses on the hardware setup and on using a pulse-width-modulated signal to control a servo.

April 22, 2016 by Robert Keim