Power
Power is one of the more fundamental concepts in electronics. Check out the following tutorials to reduce current consumption, toggle high power applications, monitor your battery, or charge your LiPo battery safely! Not sure the power requirements of your project? Try checking out the tutorial on how to power your project for some considerations.
12V/5V Power Supply Hookup Guide
May 10, 2018
In this tutorial, we will replace the 12V/5V (2A) power supply's molex connector with two male barrel jacks adapters.
Adding a Timed Button to a Project
July 29, 2015
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.
Adjustable LiPo Charger Hookup Guide
September 28, 2017
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.
Alternating Current (AC) vs. Direct Current (DC)
September 5, 2013
Learn the differences between AC and DC, the history, different ways to generate AC and DC, and examples of applications.
ATX Power Connector (4-Pin) Breakout Hookup Guide
October 10, 2019
Do you need to power a project with 12V and 5V from one wall adapter? The ATX power connector breaks out the standard 4-pin computer peripheral port for your 12V and 5V devices!
Battery Babysitter Hookup Guide
June 23, 2016
An introduction and getting started guide for the Battery Babysitter - a flexible LiPo battery charger and monitor.
Battery Technologies
February 6, 2013
The basics behind the batteries used in portable electronic devices: LiPo, NiMH, coin cells, and alkaline.
Beefcake Relay Control Hookup Guide
June 2, 2016
This is a guide for assembling and basic use of the Beefcake Relay Control board
Beginner Parts Kit Identification Guide
March 22, 2019
The essential parts for beginning (or even experienced) hobbyists that gives you all of the basic through-hole components you will need to get started playing with embedded projects. We'll identify a few parts in the kit and provide a few basic circuits to get started!
Benchtop Power Board Kit Hookup Guide
November 3, 2014
Need more power? This Benchtop ATX Power Supply Kit should help give you the boost you need to power those energy hungry projects.
Blynk Board Project Guide
March 25, 2016
A series of Blynk projects you can set up on the Blynk Board without ever re-programming it.
Buck-Boost Hookup Guide
May 10, 2019
This tutorial shows you how to hook up and use the SparkFun Buck-Boost board.
Buck Regulator Hookup Guide
August 5, 2021
Get started with SparkFun's newest Buck Regulator Boards - the BabyBuck and the Buck!
Connector Basics
January 18, 2013
Connectors are a major source of confusion for people just beginning electronics. The number of different options, terms, and names of connectors can make selecting one, or finding the one you need, daunting. This article will help you get a jump on the world of connectors.
Current Sensor Breakout (ACS723) Hookup Guide
June 21, 2018
Learn how to measure the current consumption of your project using the ACS723 Current Sensor.
Dialog ULP WiFi DA16200 R3 Shield Hookup Guide
October 7, 2021
Add WiFi to your project with this hookup guide for our Dialog's Ultra Low Power DA16200 R3 shield!
Electric Power
June 26, 2013
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!
ESP32 Thing Power Control Shield Hookup Guide
June 9, 2017
This tutorial shows you how to get started with the ESP32 Thing Power Control Shield.
ESP8266 Powered Propane Poofer
March 15, 2016
Learn how Nick Poole built a WiFi controlled fire-cannon using the ESP8266 Thing Dev Board!
FemtoBuck Constant Current LED Driver Hookup Guide v13
December 10, 2015
The FemtoBuck board is a high-efficiency, single-channel constant-current LED driver.
Fuse Breakout Board Hookup Guide
October 3, 2019
Protect your project by adding a fuse in your circuit to save it from molten destruction.
Getting Started with the MyoWare® 2.0 Muscle Sensor Ecosystem
April 1, 2022
The MyoWare® 2.0 Muscle Sensor, an Arduino-compatible, all-in-one electromyography (EMG) sensor from Advancer Technologies. In this tutorial, we will go over the features and related shields to connect the sensor to a muscle group.
Hobby Servo Tutorial
May 26, 2016
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.
Hookup Guide for the SparkFun RedBoard Artemis
August 28, 2019
Get started with the RedBoard Artemis - all the functionality of the SparkFun Artemis module wrapped in the familiar Uno R3 footprint
Old Tutorials
Looking for the old, archived tutorials? Head on over to the
archived tutorials on the main
SparkFun site.
Please be aware that the tutorials you find there are no longer
actively maintained.