Power

Learn how to measure the current consumption of your project using the ACS723 Current Sensor.

How to put together your BYOT (Bring Your Own Tritium) Nuclear Battery Kit!

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

The differences between AC and DC.

Using the ESP32 to make a web-configured timed relay.

In this tutorial, we will replace the 12V/5V (2A) power supply's molex connector with two male barrel jacks adapters.

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.

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.

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

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

This tutorial shows you how to hook up and use the SparkFun 5V/1A LiPo Charger/Booster circuit.

The SparkFun Adjustable LiPo Charger is a single-cell lithium polymer (LiPo) and lithium ion battery charger. Because it’s adjustable, this charger will be able to safely charge all of our singe-cell batteries.

An introduction and getting started guide for the Battery Babysitter - a flexible LiPo battery charger and monitor.

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

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!

Learn how to calculate how many LEDs your LilyPad project can power and how long it will last.

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.

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

The basics behind the batteries used in portable electronic devices: LiPo, NiMH, coin cells, and alkaline.

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

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

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

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