396 results for LPC21

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SparkFun SAMD21 Dev Breakout

SparkFun SAMD21 Mini Breakout

mbed - LPC1768 (Cortex-M3)

Infrared Proximity Sensor - Sharp GP2Y0A21YK

Spectacle Director Board

Tessel 2

SparkFun LogicBlocks Kit

FlexiForce Pressure Sensor - 25lbs.

Crystal SMD 14.7456MHz

1.5000 0.3
mbed Application Board

SparkFun Logomatic v2 - Serial SD Datalogger (FAT32)

mbed Starter Kit

DC Barrel Power Jack/Connector (SMD)

DC Barrel Jack Plug - Female

DC Barrel Jack Adapter - Male

DC Barrel Jack Adapter - Female

LilyPad Simple Power

Barrel Jack Extension Cable - M-F (6 ft)

Breadboard - Full-Size (Bare)

SparkFun 9DoF Razor IMU M0

DC Barrel Jack Adapter - Breadboard Compatible

Barrel Jack to 2-pin JST

Barrel Jack Adapter - USB to 5.5mm

Super Bright LED - Red 10mm

Barrel Jack Extension Cable - M-F (3 ft)

DC Barrel Power Jack/Connector

DC Barrel Jack Plug - Male

Super Bright LED - Yellow 10mm

9V Battery Holder

LilyPad Arduino 328 Main Board

SparkFun XBee Explorer USB

SparkFun Photon Weather Shield

32.9500 14.95
SparkFun Block for Intel Edison - ADC

Wall Adapter Power Supply - 6V DC 2A (Barrel Jack)

Wall Adapter Power Supply - 9VDC 650mA

Silk Flower LED

14.9500 7.95
Ubertooth One

WIZnet Serial-to-Ethernet Gateway - WIZ110SR

Logic Pro 8 - USB Logic Analyzer

Wall Adapter Power Supply - 12VDC 600mA

Large Heatsink - Multiwatt Package

9V to Barrel Jack Adapter

Battery Holder - 1x18650 (wire leads)

Breadboard - Giant

Battery Holder - 4xAA to Barrel Jack Connector

Stepper Motor - 29 oz.in (200 steps/rev, Threaded Shaft)

RN42-XV Bluetooth Module - PCB Antenna

SparkFun USB LiPoly Charger - Single Cell


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HTU21D Humidity Sensor Hookup Guide

November 20, 2013

The HTU21D humidity sensor is an easy to use, digital, low-cost humidity sensor.

SAMD21 Mini/Dev Breakout Hookup Guide

November 12, 2015

An introduction to the Atmel ATSAMD21G18 microprocessor and our Mini and Pro R3 breakout boards. Level up your Arduino-skills with the powerful ARM Cortex M0+ processor.

21st Century Fashion Kit: Electrochromatic Circuits

November 5, 2014

Diana Eng walks you through a magically appearing design made with an thermochromatic pigment.

21st Century Fashion Kit: Inflation

December 10, 2014

Learn how to use a blower and thin sheet plastic to create designs that change shape and volume!

SIK Experiment Guide for the Arduino 101/Genuino 101 Board (Chinese)

April 28, 2016

This guide contains all the information you will need to explore the 21 circuits of the SparkFun Inventor's Kit for the Arduino 101/Genuino 101 Board.

Humidity-sensing LED Flower

October 28, 2014

How about that humidity? This tutorial shows how to add sensing capability to the 21st Century Fashion Kit's RGB flower project.

9DoF Razor IMU M0 Hookup Guide

December 1, 2016

How to use and re-program the 9DoF Razor IMU M0, a combination of ATSAMD21 ARM Cortex-M0 microprocessor and MPU-9250 9DoF-in-a-chip.

SIK Experiment Guide for the Arduino 101/Genuino 101 Board (Spanish)

April 28, 2016

This guide contains all the information you will need to explore the 21 circuits of the SparkFun Inventor's Kit for the Arduino 101/Genuino 101 Board.

SIK Experiment Guide for the Arduino 101/Genuino 101 Board (French)

April 28, 2016

This guide contains all the information you will need to explore the 21 circuits of the SparkFun Inventor's Kit for the Arduino 101/Genuino 101 Board.

SIK Experiment Guide for the Arduino 101/Genuino 101 Board

April 28, 2016

This guide contains all the information you will need to explore the 21 circuits of the SparkFun Inventor's Kit for the Arduino 101/Genuino 101 Board.

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!

mbed Starter Kit Experiment Guide

November 27, 2014

This Experiment Guide will get you started with the wonderful world of mbed microcontrollers. Need to find that next step after mastering the Arduino? This a great place to take those skills to the next level.

Logomatic Hookup Guide

May 29, 2014

Basic introduction and hook-up guide for the SparkFun Logomatic.

USB Type A Female Breakout Hookup Guide

February 13, 2014

An above-and-beyond example using the USB Type A Female Breakout board.

Single Board Computer Benchmarks

July 31, 2015

How to set up different benchmarking programs on single board computers or computing modules and run them. The results for various generations are shown on the subsequent pages.

Si7021 Humidity and Temperature Sensor Hookup Guide

May 5, 2016

The Si7021 humidity and temperature sensor is an easy to use, digital, low-cost sensor to aid you in all your environment sensing needs.

Weather Shield Hookup Guide

December 5, 2013

Read humidity, pressure and luminosity quickly and easily. Add wind speed, direction and rain gauge for full weather station capabilities.

Photon Weather Shield Hookup Guide V11

March 2, 2017

Create Internet-connected weather projects with the SparkFun Weather Shield for the Photon.

Alphanumeric GPS Wall Clock

January 26, 2015

This is a GPS controlled clock - a clock you truly never have to set! Using GPS and some formulas, we figure out what day of the week and if we are in or out of daylight savings time.

Wireless Joystick Hookup Guide

January 5, 2017

A hookup guide for the SparkFun Wireless Joystick Kit.

Building an Autonomous Vehicle: The Batmobile

December 6, 2016

Documenting a six-month project to race autonomous Power Wheels at the SparkFun Autonomous Vehicle Competition (AVC) in 2016.

Bluetooth Basics

August 26, 2013

An overview of the Bluetooth wireless technology.

Photon Weather Shield Hookup Guide RETIRED

July 2, 2015

Create Internet-connected weather projects with the SparkFun Weather Shield for the Photon.

Using AT&T's M2X With the CC3000

September 2, 2014

A set of tutorials and examples to show how to connect an Arduino and CC3000 to AT&T's M2X data streams. We show how to post, fetch, and delete data. The final lesson is controlling an LED from an M2X stream.

9DoF Sensor Stick Hookup Guide

August 25, 2016

How to connect and use the SparkFun 9 Degrees of Freedom Sensor Stick with an Arduino

Photon Weather Shield Hookup Guide

July 2, 2015

Create Internet-connected weather projects with the SparkFun Weather Shield for the Photon.

Pi Wedge B+ Hookup Guide

December 18, 2014

How to assemble and start using the Pi Wedge to prototype with the Raspberry Pi B+.

Getting Started with the SparkFun Inventor's Kit for Google's Science Journal App

May 24, 2016

This is a quick guide to using the Google Science Journal app with the Arduino 101 that's included and pre-programmed in the SIK for Google's Science Journal App.

How LEDs are Made

May 28, 2014

We take a tour of a LED manufacturer and learn how PTH 5mm LEDs are made for SparkFun.

Shift Registers

August 23, 2013

An introduction to shift registers and potential uses.

TeensyView Hookup Guide

March 16, 2017

A guide to using the TeensyView OLED board to display text and graphics.

RedBoard vs. Uno

August 6, 2013

In this tutorial we discuss the differences and similarities between the RedBoard and the Arduino Uno (SMD and PTH). The development platforms

Shapeoko Coaster Project

November 20, 2015

A step-by-step guide to cutting and engraving a coaster with the Shapeoko.


June 13, 2016

A brief history of how ASCII came to be, how it's useful to computers, and some helpful tables to convert numbers to characters.

GPS Logger Shield Hookup Guide

February 11, 2016

How to assemble and hookup the SparkFun GPS Logger Shield. Never lose track of your Arduino again!

Graphic LCD Hookup Guide

November 18, 2013

How to add some flashy graphics to your project with a 84x48 monochrome graphic LCD.

SHT15 Humidity and Temperature Sensor Hookup Guide

September 17, 2015

The SHT15 Humidity and Temperature sensor is an easy to use, digital, temperature and humidity sensor all in one tiny package.

Analog vs. Digital

July 18, 2013

This tutorial covers the concept of analog and digital signals, as they relate to electronics.

MCP4725 Digital to Analog Converter Hookup Guide

September 11, 2014

This is a quick hookup to help you get started with the MCP4725 DAC breakout board. This device allows you to send analog signal from a digital source, like the I2C interface on the Arduino microcontroller.

Easy Driver Hook-up Guide

May 5, 2015

Get started using the SparkFun Easy Driver for those project that need a little motion.

Metric Prefixes and SI Units

July 11, 2013

This tutorial will explain how to use and convert between the standard metric prefixes.

Integrated Circuits

July 15, 2013

An introduction to integrated circuits (ICs). Electronics' ubiquitous black chips. Includes a focus on the variety of IC packages.

Proto Pedal Chassis Hookup Guide

September 22, 2016

Prepare the Proto Pedal Chassis by drilling holes for controls and painting it.


July 8, 2013

An introduction to I2C, one of the main embedded communications protocols in use today.

ITG-3200 Hookup Guide

October 22, 2013

Learn how to interact with the ITG-3200 Triple Axis Gyroscope.

Pi Wedge Hookup Guide

May 29, 2014

How to assemble and start using the Pi Wedge to prototype with a Raspberry Pi.

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Maker Faire Reminder

May 12, 2011

SparkFun will be in San Mateo on May 21st and 22nd for Maker Faire!

Join us for SparkFun Live on Tuesday, April 21st!

April 13, 2015

Time to get ready for the next episode of SparkFun Live.

E21 Conference in Burlington

July 22, 2014

An over view of upcoming event in Burlington

What's All the Fuss About Lithium Batteries?

February 23, 2015

The positives and negatives of shipping lithium batteries in the 21st century.

Responsive Wearables: The 21st Century Mood Ring

July 25, 2017

Check out this unbelievable dress that changes colors and patterns based on the user's mood!

More new!

March 21, 2008

Wow! We've had a lot of new gadgets posted this week! Don't forget to check the listing from yesterday as well.

Space and SparkFun

September 10, 2008

SparkFun gets a lift on a low-atmosphere student satellite. And we have some new products too.

Ultimate IMU Video Tutorial

July 27, 2011

Check out this video tutorial for the Ultimate IMU.

LED Coffee Table

September 12, 2008

The LED Coffee Table tutorial is posted! Check us out at Maker Faire Austin.

Parts and Projects

August 6, 2008

A few new items and a few customer project submissions.

Influx of Tutorials

August 20, 2008

Three new tutorials and a handful of new items.

mbed USB Slingshot

March 12, 2012

Check out this awesome project from our friends at mbed.

Don't Forget Cyber Monday

November 19, 2012

Monday, November 26 is Cyber Monday and SparkFun is getting in on the action.

New Product Friday: mmmmbed

November 28, 2014

Turkey Day won't stop us from coming out with fresh new products!

Holiday Shipping and Kickstarter Update

December 18, 2012

Shipping info for all you procrastinators and another Kickstarter update!

November Caption Contest

November 19, 2012

It's time to bust out you captioning skills for this month's caption contest.

Enginursday: The Dreaded End of Life

April 21, 2016

All good things must come to an end, especially the availability of the component or product you need.

Gearbox Hack Weekend Boulder

July 21, 2010

Are you an Android developer? Here's an event for you!

Friday Product Post: SAM-I-Am

November 13, 2015

I like green eggs and ham! I do! I like them, SAM-I-am!

Engineer Thursday - An Introduction to Ino Toolkit

May 9, 2013

SparkFun Engineer Chris Taylor guides you through developing with the Ino Toolkit.

Your March Caption Contest

March 19, 2013

Bust out your humor skills for a chance at a pcDuino

LilyPad Class

October 15, 2010

We're offering a beginning LilyPad class next week - we'd love to see you there!

According to Pete: Drones and the Futaba Serial Bus

May 15, 2017

What has Pete been up to? Playing with flying robots, actually.

Engineer Thursday - Bring on the Lasers!

June 20, 2013

Open-sourcing Laser Technology and the SparkFun visit the Optics Lab at the School of Mines

AVC 2014 Course Preview

April 17, 2014

AVC is getting close, and it's time to check out the course revisions for this year.

Rover and Other Random Thoughts

March 29, 2009

A snapshot of a rover, the list of competitors, and other random thoughts.

Thank goodness it's Friday

August 22, 2008

A long week but lots of new toys to post. Checkout the new Arduino Pro boards and a new miniature GPS logger!

Three Days of Simon

March 13, 2012

Your final reminder to check out these three classes!

Building an Autonomous Vehicle? Where to start...

April 30, 2014

If you are entering the autonomous vehicle competition (AVC) for the first time, this information from last year's participants may help you get started.

It's RoboWeek!

April 9, 2012

April 7-15 is National Robotics Week.

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SXSWedu Panel - Build, Create, and Hack: Bringing STE(A)M into K-12

March 4, 2014

These are the materials presented at the SXSWedu Panel Presentation on March 4, 2014.

Microcontrollers for Educators 2015

August 5, 2015

Each summer, we teach a weeklong professional development workshop around using technologies such as Arduino, Processing, and electronics in the classroom.

SIK Teachers Guide

July 21, 2016

This is a summary of learning objectives, vocabulary, and key concepts that are used in each of the circuit examples in the SIK.

Holiday Shipping 2016

December 8, 2016

Holiday Shipping 2016 With the holidays rapidly approaching, we want to make sure you get your orders on time. Please refer to the shipping methods and dates below to get your order by Decemb…

Serial LCD Reaction Timer Activity

July 21, 2016

Build your own Serial LCD Reaction Timer. This is a great activity that uses the SparkFun RedBoard, Arduino, or other compatible microcontroller. This has

Serial LCD Quick Reference - Application Note

July 21, 2016

This is a quick reference to using any of the Serial-enabled LCD kits at SparkFun. It simplifies the command set into tables that are easy to follow.

RedBot Dance Challenge

July 26, 2016

Using the RedBot chassis or a chassis of your own design, choreograph a dance routine for your robot!

Press Releases - 2012

January 1, 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…

About the SparkFun Education Department

June 8, 2017

About the SparkFun Education Department SparkFun Electronics Department of Education views electronics as more than just a fun hobby or a career path, but as a creative medium…

ISS National Design Challenge

October 31, 2016

ISS National Design Challenge Have questions? Let me know! mike.grusin@sparkfun.com Welcome CASIS ISS National Design Challenge participants! The following parts may be useful when developing your …

GPS Buying Guide

January 1, 2012

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 …


June 2, 2015

Please Join our Google+ Community page for more content and discussion beyond the workshop. Oregon Tour 2015 -- Introduction to Arduino and Galileo SparkFun Electronics i…