11,007 results for 7.4V

Products 3308 found

Polymer Lithium Ion Battery - 2200mAh 7.4v

PRT-11856
$ 15.95
Polymer Lithium Ion Battery - 1000mAh 7.4v

PRT-11855
$ 9.95
7-Segment Display - 4-Digit (White)

COM-10931
$ 1.95
7-Segment Display - 4-Digit (Red)

COM-09483
$ 1.95
7-Segment Display - 4-Digit (Blue)

COM-09481
$ 2.5
7-Segment Display - 4-Digit (Yellow)

COM-09480
$ 1.95
Bubble Display - 7-Segment (4-digit)

COM-12710
$ 2.95
6
Rotary Potentiometer - 4.7k Ohm, Linear

COM-09941
$ 0.95
7-Segment Display - 4-Digit (Kelly Green)

COM-09482
$ 1.95
Shaft - Solid (Stainless; 1/4"D x 7"L)

ROB-12189
$ 2.39

View more product results...

Retired Products

PRT-10500
Retired

PRT-09701
Retired

PRT-10471
Retired

PRT-09704
Retired

PRT-09703
Retired

PRT-10472
Retired

DEV-10032
Retired

PRT-00726
Retired

COM-12669
Retired

DEV-11017
Retired

View more retired product results...

Tutorials 290 found

The Uncertain 7-Cube

March 8, 2013

The Uncertain 7-Cube is a non-committal, less-than-helpful, but also entirely honest fortune teller. Simply ask it a yes or no question, give it a nudge, and the 7-Cube will dutifully inform you that it doesn’t have all the facts and doesn’t feel comfortable making a guess.

Using the Serial 7-Segment Display

August 13, 2013

How to quickly and easily set up the Serial 7-Segment Display and the Serial 7-Segment Display Shield.

BC118 BLE Mate 2 Hookup Guide

January 15, 2015

Hooking up and using the BLE Mate 2, which uses the BC118 BLE module from BlueCreations.

General Guide to SparkFun Blocks for Intel® Edison

January 5, 2015

A general guide for using SparkFun Blocks for Intel® Edison in your next project!

Logic Levels

June 3, 2013

Learn the difference between 3.3 V and 5 V devices.

Pro Micro & Fio v3 Hookup Guide

November 8, 2013

An overview of the Pro Micro, how to install it, and how to use it with Arduino.

Using the Arduino Pro Mini 3.3V

September 5, 2013

This tutorial is your guide to all things Arduino Pro Mini. It explains what it is, what it's not, and how to get started using it.

WAV Trigger Hookup Guide V11

May 30, 2014

An introduction to being able to trigger music and sound effects based on buttons, sensors, or switches using the WAV Trigger board.

SIK Experiment Guide for Arduino - V3.2

October 23, 2014

The SparkFun Inventor's Guide is your map for navigating the waters of beginning embedded electronics. This guide contains all the information you will need to explore the 16 circuits of the SparkFun Inventor's Kit, 16 circuits of the SparkFun Arduino Kit, 8 circuits of the RedBoard Starter Kit.

Sunny Buddy Solar Charger V13 Hookup Guide

October 13, 2014

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

Mini FET Shield Hookup Guide

May 1, 2014

Learn how to hookup and use the FET shield for Arduino Pro Mini 3.3V. With this shield, you can control much larger loads such as motors or large LED strips without straining your Arduino's power.

Hacking the MiP - Proto Back

December 4, 2014

How to attach the Proto Back and begin Hacking the MiP

Battery Technologies

February 6, 2013

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

LiPo USB Charger Hookup Guide

May 1, 2014

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

Dungeons and Dragons Dice Gauntlet

August 13, 2013

A playful, geeky tutorial for a leather bracer that uses a LilyPad Arduino, LilyPad accelerometer, and seven segment display to roll virtual 4, 6, 8, 10, 12, 20, and 100 side dice for gaming.

Shift Registers

August 23, 2013

An introduction to shift registers and potential uses.

Ardumoto Shield Hookup Guide

January 13, 2014

Learn how to assemble and drive DC motors using the Ardumoto Shield.

Simon Tilts Assembly Guide

December 3, 2013

This tutorial will guide you through assembling your Simon Tilts PTH Kit.

Using EAGLE: Schematic

September 5, 2013

How to design a PCB in EAGLE using through-hole parts.

View more tutorial results...


Archived Tutorials 12 found

HAB - Sensor System, Flight Computer, and Radio System

A break down of all the sensors chosen, the main PCB layout, and the high power radios and antennas used.

Robot Journal - John

Building a jousting bot

Robot Journal - Tim

Building a jousting bot

Robot Journal - Pamela

Building a jousting bot

Robot Journal - Toni

Building a jousting bot

Wii-mote guts

We crack the case on the infamous flying Nintendo controller, so you don't have to.

Port-O-Rotary

We take an old rotary phone, dissect it, and cross-pollinate it with a cellular module.

Basic breadboard tutorial

Using the PIC-PG1B programmer - An amazing low-cost programmer that impressed us the first time we used it! A great tutorial to get your first PIC project blinking.

LED Laden Bike Helmet

Curious about how to integrate LEDs into your project? Check this out - I was tired of forgetting my bike light at home, this tutorial dives into LED wiring basics while adding lighting to my bike helmet.

Mixed Signal Costume

She's always sending me mixed signals. Checkout this twist on a stoplight costume using MOSFETs, XBee, and plenty of blinking LEDs.

Beginner Parts Kit

A introduction to all of the parts included in the Beginner Parts Kit. Also included are a few quick circuits to quickly make something with your new toys.

Sizing a heat sink for a heavy load

Keeping the smoke in when the power dissipation on a component climbs into the 10W+ range

Blog 916 found

The New UAV Development Board v4 (UDB4) and Dizzy Gyros

October 20, 2011 9

The new UDB4 is smaller and more powerful than before. See how the developers refined the system using very interesting testing techniques.

Sinister7, Munny, and OLEDs

December 17, 2007 0

<a href="http://www.kidrobot.com/products2.cfm?ID=4528&cfid=4320536&cftoken=91108670&nav_chooser=&dept=TOYS&typ=KIDROBOT">Munny </a>and <a href="http://www.sparkfun.com/commerce/present.php?p=Sinister7">Sinister7</a> combine forces. Checkout this gruesome <a href="http://www.sparkfun.com/commerce/present.php?p=Sinister7">toy hack</a> using the Sinister7.

6ft 7-Segment Display

December 11, 2007 0

Tom Becker was nice enough to email us and comment on our <a href="http://www.sparkfun.com/commerce/present.php?p=GPSClock-1">12ft. GPS wall clock</a>. Then he put us to shame...

The STEMosphere is almost here!

April 8, 2013 5

Join us May 4 at the STEMosphere Share Fair!

It's RoboWeek!

April 9, 2012 5

April 7-15 is National Robotics Week.

SparkFun closed on Monday, September 7th

September 4, 2009 8

SparkFun will not be shipping on Monday in observance of Labor Day.

Free Day is January 7th, 2010!

November 23, 2009 306

Pocket $100 worth of free stuff! No really. It's coming on January 7th. We're opening up our doors and letting anyone take $100 worth of free goodies. Also, a reminder that SparkFun will be closed at the end of this week!

Firework Igniter

July 4, 2013 8

A 4th of July project to launch fireworks via a button or timed delay.

The Science of Licking a 9V Battery

February 4, 2014 20

Why do we feel a tingle when we lick a 9V battery?

OSHW Definition V1.0

February 11, 2011 33

We've released the first definition of Open Source Hardware.

Free EAGLE Webinars

February 11, 2013 29

Want to learn about EAGLE V6? Check out these webinars

Exploring the 4D Systems Screens

March 25, 2013 26

Today we have a demo of the new 4D Systems screens!

Autonomous Flights with the UAV v2 Development Platform

August 2, 2010 18

The UAV v2 Development Platform project demonstrates its ability to successfully navigate autonomously, through takeoff and landing.

New Product Friday: The S.H.O.V.E.L.

June 7, 2013 31

This week we announce the S.H.O.V.E.L. and a few other new products.

Eagle 6 Has Landed

January 23, 2012 46

The PCB layout tool we use called Eagle has undergone some helpful changes in v6.

Free Day is Done

January 4, 2010 447

The week has finally arrive - Free Day is this Thursday, January 7th, 2010!

SparkFun Closed Today - July 4th

July 4, 2011 32

SparkFun offices will be closed for Independence Day.

View more blog results...

Resources 39 found

Getting Started with Scratch 1.4

April 26, 2014

This guide is a great place to start with Scratch.

ASEE 2014 K-12 Workshop Materials

Brian Huang June 14, 2014

Encouraging Creativity, Gender Equity, and Arts in the STEM Classroom with Conductive Thread and LilyPad Arduino. Example Code Ardublock install – Unzip

ArduBlock: Graphical Programming Environment for Arduino

February 6, 2014

ArduBlock is a Scratch-like interface for Arduino and allows you to program Arduino using drag-and-drop blocks that free you of syntax errors.

ATTiny85 Quick Reference

Brian Huang February 13, 2015

This is a quick reference sheet for using the ATTiny85. While the ATTiny85 only has 5 GPIO pins, it packs a lot of power and flexibility. Click here for th

HotSheets: Scratch

Derek Runberg April 18, 2014

These HotSheets cover a few basic introductory exercises at learning how to use Scratch and the PicoBoard.

Programming with Simon

Lindsay Craig February 6, 2014

This material shows a way to re-use our popular Simon game to teach programming after you have used it to teach soldering.

Arduino, Processing and Max

Lindsay Craig February 6, 2014

Workshop materials for using Arduino, Processing and the Danger Shield to communicate with Max Patch.

Resistance Board

Lindsay Craig February 6, 2014

A project using e-textiles to show the concept of resistance in an intuitive manner.

e-Textile Mask Workshop

Angela Sheehan April 9, 2014

Presentation on sewing circuits and creating a light up mask used during Girl Scout Troop 73265's visit to SparkFun HQ.

Paper Circuits: Lotus Flower Pop Up Card

Angela Sheehan May 6, 2014

Templates used in the Have Fun with Paper Circuitry workshop at GESTEM on 5/9/14.

Paper Circuits Pin

Angela Sheehan March 31, 2014

This quick craft project shows you how to create a circuit using copper tape instead of wire to light up an LED and make a wearable piece of e-craft art.

Scratch Workshop Design Guide

February 3, 2015

A fantastic guide to teaching your own Scratch workshops and camp programs by the folks at ScratchEd. Click here to download.

ECE at Cornell University

February 6, 2014

Bruce Land from Cornell University shows how to work with microcontrollers.

Scratch with Data Logging

Jeffrey Branson February 6, 2014

Workshop presentation and sample Scratch files from Jeff Branson’s workshop on Scratch Programming in a Science Classroom

Introductory Arduino Materials from Portland State University

February 6, 2014

A wide range of labs covering beginner and intermediate Arduino programming, DC and analog circuits, and two larger scale projects.

Twinkling Wrist Cuff Tutorial

May 23, 2014

Twinkling Wrist Cuff Tutorial by Kim A. Knight from Emerging Media and CommunicaCon @UT Dallas http://fashioningcircuits.com

Processing the Danger Shield

Lindsay Craig February 6, 2014

This material teaches the creation and manipulation of basic shapes using Processing and SparkFun's Danger Shield.

Giant Soldering

Lindsay Craig February 6, 2014

Instructions on how to create a giant prop soldering iron to demonstrate PTH and SMD soldering techniques to large groups.

SMD Soldering

Lindsay Craig February 6, 2014

Presentation about surface mount device (SMD) soldering.

View more resource results...

Classes 2 found

May 30, 2015

Costuming with Electronics: Beyond the Blink

Join us for an afternoon of electronic costuming. In this workshop we will be talking specifically about adding input to your wear…

July 6, 2015

Microcontrollers for Educators

Connecting the STEM Dots: Microprocessors and Electrical and Computer Engineering in the Classroom. Colorado State University Dep…

Articles 64 found

The SparkFun Dumpster Dive

The Dumpster Dive is sold out! Check back later for the next Dumpster Dive!

Holiday Shipping 2013

With the holidays rapidly approaching, we want to make sure you get your presents in time! Please refer to the below shipping methods and dates to make sure you get your order by Dec. 24th. Please …

Nathan Seidle Bio

Nathan Seidle (pronounced sigh-dle) is the founder and CEO of SparkFun Electronics in Boulder, Colo. Nathan founded SparkFun in 2003 while an undergraduate student studying electrical engineering. …

Arduino Buying Guide

Arduino Buying Guide Let’s face it, there are a lot of different Arduino boards out there. How do you decide which one you need for your project? With this table, you can not only compare featu…

AVC 2013

AVC 2013 Thank you for coming to the Fifth Annual SparkFun Autonomous Vehicle Competition! Without you, this event wouldn’t take place - we really appreciate it! We are always looking for feed…

Accelerometer, Gyro and IMU Buying Guide

Accelerometer, Gyro and IMU Buying Guide Accelerometers and gyros are becoming increasingly popular in consumer electronics, so maybe it’s time you added them to your project! Scrolling through…

TEI 2012

TEI 2012 Welcome to SparkFun’s workshop! Follow the link below for the class materials and code you’ll need to follow along. TEI Materials (5.4MB .zip)

GPS Buying Guide

GPS Buying Guide Above your head, right now, at an altitude of about 20,200 km there is a system of navigation satellites. There’s 35 of them, 24 active at any given time. It cost millions and …

Free Shipping July 15 - July 19

Starting at 12:01:01 a.m. (MT) on Monday, July 15th until Friday, July 19th at 11:59:59 p.m. (MT), SparkFun will be offering free economy shipping on orders over $60 (before taxes). This applies t…

Tours

Ever wondered what sort of hijinks go on behind the scenes at SparkFun? Do you dream of seeing certain SparkFun folks in their natural habitat? Well you’re in luck, because we host public tours …

Donation Day

On Monday, May 20, 2013, SparkFun Electronics will donate 10% of all sales to the Electronic Frontier Foundation. The Electronic Frontier Foundation - or EFF - is one of the very few non-profit legal…

SIK Capstone Contest

Since we first started teaching with the SparkFun Inventor’s Kit (or SIK), we’ve seen some teachers and students do amazing things beyond what the kit teaches. In the SIK Capstone Co…

Actobotics

Actobotics Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actob…

Wireless Buying Guide

Wireless Buying Guide When it comes to throwing data over the ether, there are a lot of options. If you’re confused about what wireless technology is best for your next project then keep on rea…

XBee Buying Guide

XBee Buying Guide Welcome to the wireless world of XBee. Maybe you’ve heard of it, maybe you haven’t, either way you are in for a fun ride. XBees are tiny blue chips that can communicate …

SparkFun Sponsorships

SparkFun Sponsorships August 2014 Silicon Chef Maker Camp Berlin ISWC Major League Hacking Illinois Project Pitch Foothils United Way Fab Lab in Siegen, Germany SXSW Eco Heat Seek NY Hack…

PicoBoard & Scratch Resources

PicoBoard & Scratch Resources Here are a few resources that we’ve used here at SparkFun around teaching PicoBoard and Scratch. This page is a work-in-progress. Please email us at (education…

Customer Support

Customer Support How to Help Yourself General questions about SparkFun? Check our FAQ for answers! Want to return something you purchased? The Returns Policy is for you! There is community supp…

Press Releases - 2012

January 25, 2012 - SparkFun Electronics’ Third Annual Free Day Event Draws More Than 32,000 Unique Website Visitors! - $200,000 in Store Credit Given Away During Website Free-For-All February 8, 20…

Electrify Your Prom

If you’re in high school, you are undoubtedly starting to hear that mythical word echo through the hallways - yes, “prom season” is nearly upon us. Victorian-era fashion is so…

View more article results...