Power & Energy

Here you can learn about the latest Trends in Power

From AC/DC power, DC/DC converters, switching regulators, LDOs, ultra-low power, energy harvesting, to power management ICs.

Power Feature Content

The Key Elements in Successful EV Charger Design

An overview of new innovations in the design of modern EV chargers.

The Science and Technology of Hydrogen Power

A course exploring hydrogen power, how it works, applications, and methods of hydrogen production.

How Can EC Fans Make Cooling More Efficient?

An overview of cooling techniques for electronics, with a focus on electronically commutated (EC) fans.

How Smart are Smart Grids?

Learn How FPGAs and Adaptive SoCs are used.

Enroll to Review the STM32U5A9J-DK Discovery Kit with Embedded Display

Isolated DC-DC Converters for the Design Engineer

Experimenting with Supercapacitors

Supercapacitors are used in everything from consumer electronics to industrial equipment. Conduct an experiment with this kit from Cornell Dubilier!

Big Fan of Renewable Energy?

Come up to speed on wind turbine technology.

Summer of Green Tech Design Challenge

See how our winners plant the Seeed on Green Tech and design a project to help preserve our planet.

Energy Harvesting eBook
How does EV Charging work?
Making the Most of Renewable Energy
What do you need for Solar Power?
Our Green Tech Quiz just blew in! Take this quiz
Exploring Core Concepts in Current Sensing and Measurement
Upcycling An Old Vacuum Cleaner

Power Project Videos

Essentials Modules

Tech Spotlight

RoadTests

ADI Ultra-Low-Power RTC with Integrated Power Switch

Recorded Webinars

eBooks

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Power Blog List

Blog: Engineers Build a Alt Energy Device That Generates Power at Night

Catwell

Render and data show radiative cooling of the top plate to the night sky and warming of the bottom plate to the ground. This produced a temperature difference that powered the engine. (Image Credit: ScienceAdvances) Engineers at the University ...
- 4 Mar 2026
Blog: Japan’s Sidewalks Converts Human Footsteps into Useable Electricity

Catwell

(Image Credit: Wikimedia Commons) Wind and sunlight are the most common sources of renewable energy, powering turbines and solar panels worldwide. Japan and other countries are now tapping a subtler source: footsteps on piezoelectric sidewalks to ge...
- 3 Mar 2026
Blog: Japan is Working on Three Surprising Hydrogen Projects

Catwell

Rendering of the co-firing hydrogen engine built by Kawasaki Heavy Industries. (Image Credit: Kawasaki) Kawasaki Heavy Industries constructed the first-ever 8MW KG Series co-firing hydrogen engine, which generates electricity. It operates on natural...
- 20 Feb 2026
Blog: Japan Extracts Rare Earth Elements from Seabed Mud

Catwell

Japan’s Chikyu deep-sea drilling vessel recently extracted samples of rare earth elements from seabed sediment. (Photo By Gleam - Photo taken by Gleam., CC BY-SA 3.0) Japan is starting to take action on a decade-old plan to move away from Chi...
- 9 Feb 2026
Blog: Energy left in "dead" batteries?!

Attila Tőkés

Hi Element14 Community! Traditional alkaline batteries tend to "die" at the most inconvenient times. I used to I have them in devices like wireless mouse and keyboards, and it felt that the batteries were draining fairly quickly, catc...
- 1 Feb 2026
Blog: Building a Smart Electronic Load | 2026 Update (#3)

Attila Tőkés

Hi E14 Community! Wanted to give a quick update on my Smart Electronic Load project. Since the last time from one year ago, Building a Smart Electronic Load | DAC and Initial Firmware (#2), the project was progressing relati...
- 18 Jan 2026
Blog: Triplet Antennas Unlock Low-Voltage NIR-II LEDs

Catwell

Artist’s rendering of a lanthanide-doped nanoparticle in the shape of a spider and the web (made of 9-ACA). (Image Credit: Zhongzheng Yu/) Engineers at the University of Cambridge have developed a technique that enables the electrical activati...
- 30 Dec 2025
Blog: Hot Gadget Alert: My First Tinker With the Multicomp Pro Thermal Camera

foxbat

Unboxing the Multicomp Pro Professional Thermal Imager : A First Look The fine (and clearly very patient) folks of the element14 Community somehow concluded that my particular brand of Halloween-themed tinkering deserved to win this year’s Hall...
- 19 Dec 2025
Blog: Designing for Ultra-Low Power: Strategies for Edge and Battery-Powered Devices

Catwell

(Image credit: Pixabay) If you’ve ever designed a product meant to run off a battery and last a long time, you know how brutal reality can be. You start with hope and a 10,000 mAh battery, and six months later, you’re back in meeti...
- 18 Dec 2025
Blog: Researchers Develop Energy Harvesting System That Could Power Wearables

Catwell

The IE-TENG system generates electricity through the intrusion and extrusion of liquid in the silicon nanopores. (Image Credit: TU Hamburg, DESY, Künsting) Engineers at Hamburg University of Technology (TUHH) and other European institutions dev...
- 9 Dec 2025