Power

Learn how to build a remote water level sensor for a water storage tank and how to automate a pump based off the readings!

This is a guide for assembling and basic use of the Beefcake Relay Control board

Learn how to build a wireless controller to kill power when things go... sentient.

Servos are motors that allow you to accurately control the rotation of the output shaft, opening up all kinds of possibilities for robotics and other projects.

Classroom STEM activity that has students build a battery from a lemon, measure the open and closed circuit voltages, and determine the battery's internal resistance.

An overview of the inner workings of a battery and how it was invented.

A series of Blynk projects you can set up on the Blynk Board without ever re-programming it.

Learn how Nick Poole built a WiFi controlled fire-cannon using the ESP8266 Thing Dev Board!

The PicoBuck board is a high-efficiency three-channel constant-current LED driver.

The FemtoBuck board is a high-efficiency, single-channel constant-current LED driver.

This tutorial will walk you through making a timed power controller for interactive projects. You will learn how to add an on button that will provide power to your project for an amount of time and then turn off again.

The Photon Battery Shield has everything your Photon needs to run off, charge, and monitor a LiPo battery. Read through this hookup guide to get started using it.

A basic hookup guide for getting started with the SparkFun Wake-on-Shake. The board gives you the ability to put your project into hibernation until bumped or shaken awake using the ADXL362 accelerometer. This means you can design projects meant to stay inert for long periods of time, possibly even several years, depending on the battery type used to power the project.

A basic guide for getting started using the LilyPad Simple Power with LiPo batteries.

Need more power? This Benchtop ATX Power Supply Kit should help give you the boost you need to power those energy hungry projects.

How to hookup the Sunny Buddy: a solar-powered, MPPT (peak-power tracking), LiPo battery charger.

A "Coulomb Counter" is like a gas gauge for your battery. Here's how to use it.

We got the opportunity to tour the Great Power Battery factory. Checkout how LiPos are made!

How to charge your LiPo batteries with the USB LiPo charger. Plus how to modify your charger to set the charge current.

Learn how to assemble and use the TL431 in the Uh-Oh Battery Level Indicator Kit.

How to interface with the INA169 Breakout Board to measure current.

Learn the differences between AC and DC, the history, different ways to generate AC and DC, and examples of applications.

An overview of electric power, the rate of energy transfer. We'll talk definition of power, watts, equations, and power ratings. 1.21 gigawatts of tutorial fun!

A tutorial to help figure out the power requirements of your project.