Components

QRD1114 Optical Detector Hookup Guide

May 5, 2016

Use this IR LED/phototransistor fusion to sense objects in close proximity or even the color of a surface!

SoftPot Hookup Guide

May 5, 2016

Equip your Arduino project with a sliding soft potentiometer to monitor position or adding linear control to your project.

Sensor Kit Resource Hub

May 5, 2016

An overview of each component in the SparkFun Sensor Kit, plus links to tutorials and other resources you'll need to hook them up.

Photocell Hookup Guide

May 5, 2016

Hook a light-sensing photocell up to an Arduino to create an ambient light monitor.

Force Sensitive Resistor Hookup Guide

May 5, 2016

How to hook a force-sensitive resistor up to an Arduino to measure pressure variances.

Reed Switch Hookup Guide

May 5, 2016

Magnetically-actuated reed switches are the perfect component for non-contact proximity sensors. This tutorial provides a quick overview and example hook up.

Piezo Vibration Sensor Hookup Guide

May 5, 2016

How to combine a piezo sensor, high-value resistor, and an Arduino to create a vibration sensor.

Cherry MX Switch Breakout Hookup Guide

April 21, 2016

How to assemble and use the Cherry MX Switch Breakout, allowing you to turn a matrix of mechanical switches into a full-size keyboard!

PicoBuck Hookup Guide v12

February 18, 2016

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

FemtoBuck Constant Current LED Driver Hookup Guide v13

December 10, 2015

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

Discrete Semiconductor Kit Identification Guide

November 19, 2015

Get to know the contents of the SparkFun Discrete Semiconductor Kit.

SX1509 I/O Expander Breakout Hookup Guide

September 24, 2015

Learn how you can use the SX1509 to control 16 LEDs or up to 64 buttons with just two pins.

Rotary Switch Potentiometer Hookup Guide

April 30, 2015

How to use the Rotary Switch Potentiometer breakout board, with some sample applications.

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.

Transistors

July 1, 2014

A crash course in bi-polar junction transistors. Learn how transistors work and in which circuits we use them.

MiniGen Hookup Guide

May 22, 2014

Using the MiniGen, SparkFun's Arduino Pro Mini signal generator shield

Customizing LilyPad LED Colors

May 19, 2014

A short guide to creating a rainbow of new LilyPad LED colors at home!

Uh-Oh Battery Level Indicator Hookup Guide

April 9, 2014

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

USB Type A Female Breakout Hookup Guide

February 13, 2014

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

PCA9306 Level Translator Hookup Guide

October 31, 2013

A quick primer to get you going with the PCA9306 Logic Level Converter.

Bi-Directional Logic Level Converter Hookup Guide

October 25, 2013

An overview of the Bi-Directional Logic Level Converter, and some example circuits to show how it works.

Shift Registers

August 23, 2013

An introduction to shift registers and potential uses.
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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.