3,530 results for mini gearmotor ratio

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Micro Gearmotor - 2600 RPM (6-12V)

$ 12.95
Micro Gearmotor - 270 RPM (6-12V)

$ 12.95
Micro Gearmotor - 460 RPM (6-12V)

$ 12.95
Micro Gearmotor - 900 RPM (6-12V)

$ 12.95
Micro Gearmotor - 4900 RPM (6-12V)

$ 12.95
Micro Gearmotor - 130 RPM (6-12V)

$ 12.95
Micro Gearmotor - 175 RPM (6-12V)

$ 12.95
Micro Gearmotor - 110 RPM (6-12V)

$ 12.95
Micro Gearmotor - 90 RPM (6-12V)

$ 12.95
USB Mini-B SMD Connector

$ 1.5
Micro Gearmotor - Enclosure

$ 1.5
Standard Gearmotor - 6 RPM (3-12V)

$ 24.95

Standard Gearmotor - 3 RPM (3-12V)

$ 24.95
Standard Gearmotor - 4 RPM (3-12V)

$ 24.95
Standard Gearmotor - 10 RPM (3-12V)

$ 24.95
Hobby Gearmotor - 200 RPM (Pair)

$ 3.95

Standard Gearmotor - 168 RPM (3-12V)

$ 24.95
Standard Gearmotor - 51 RPM (3-12V)

$ 24.95
Standard Gearmotor - 20 RPM (3-12V)

$ 24.95
Standard Gearmotor - 81 RPM (3-12V)

$ 24.95
Standard Gearmotor - 30 RPM (3-12V)

$ 24.95
Standard Gearmotor - 303 RPM (3-12V)

$ 24.95
Standard Gearmotor - 2 RPM (3-12V)

$ 24.95
Standard Gearmotor - 101 RPM (3-12V)

$ 24.95
Standard Gearmotor - 1 RPM (3-12V)

$ 24.95
Standard Gearmotor - 40 RPM (3-12V)

$ 24.95
Hobby Gearmotor -  65 RPM (Right Angle, Pair)

$ 3.95
MiniDIN 7-Pin Connector

0.2500 $ 0.2
Standard Gearmotor - 0.5 RPM (3-12V)

$ 26.95
Channel Mount Gearbox Kit - Standard Rotation (5:1 Ratio)

$ 59.99
Channel Mount Gearbox Kit - Continuous Rotation (7:1 Ratio)

$ 49.99
Channel Mount Gearbox Kit - Standard Rotation (3:1 Ratio)

$ 59.99
Channel Mount Gearbox Kit - 360° Rotation (3.8:1 Ratio)

$ 69.99
Channel Mount Gearbox Kit - Standard Rotation (7:1 Ratio)

$ 59.99
Channel Mount Gearbox Kit - 360° Rotation (2:1 Ratio)

$ 69.99
Channel Mount Gearbox Kit - 360° Rotation (5:1 Ratio)

$ 69.99
Channel Mount Gearbox Kit - Continuous Rotation (5:1 Ratio)

$ 49.99
Channel Mount Gearbox Kit - Continuous Rotation (2:1 Ratio)

$ 49.99
Channel Mount Gearbox Kit - Continuous Rotation (3.8:1 Ratio)

$ 49.99
Channel Mount Gearbox Kit - Continuous Rotation (3:1 Ratio)

$ 49.99
Channel Mount Gearbox Kit - Standard Rotation (2:1 Ratio)

$ 59.99
Channel Mount Gearbox Kit - Standard Rotation (3.8:1 Ratio)

$ 59.99
Channel Mount Gearbox Kit - 360° Rotation (3:1 Ratio)

$ 69.99
Channel Mount Gearbox Kit - 360° Rotation (7:1 Ratio)

$ 69.99
Breadboard - Mini Modular (Green)

$ 3.95
Breadboard - Mini Modular (Red)

$ 3.95

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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.

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.

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.

MiniGen Hookup Guide

May 22, 2014

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

MiniMoto DRV8830 Hookup Guide

September 19, 2013

MiniMoto is an I2C-based low-voltage DC motor driver.

Hacking the MiP - ProMini Pack

May 28, 2014

How to attach the ProMini Pack and begin Hacking the MiP.

Lockitron Hardware Hookup Guide

July 14, 2015

How to connect the Lockitron to an Arduino Pro Mini and control it with 2 buttons.

pcDuino Hookup Guide

March 8, 2013

pcDuino is SparkFun's single-board hardware-hacker based mini PC. It comes with Linux pre-installed, has all the hardware functionality of an Arduino Uno, and can be programmed almost as easily as an Arduino!

Das Blinken Top Hat

January 22, 2014

A top hat decked out with LED strips makes for a heck of a wedding gift.

Experiment Guide for the SparkFun Tinker Kit

May 16, 2016

This experiment guide will take you through the basics of building 11 different circuits with the SparkFun Tinker Kit and how to program them using the Arduino IDE.

Using the Logic Level Converter

September 5, 2013

What the Logic Level Converter is, how it works, and how to use it!

SparkPunk Hookup Guide

June 12, 2014

How to assemble and modify the SparkPunk Sound Generator kit.

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.

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.

Constant Innovation in Quality Control

December 11, 2013

In this article, we share our recent advancements in quality control. Every new product we design and manufacture here at SparkFun gets a custom testing apparatus that is designed and built in house. Along with making our tests more thorough, we have also made them more efficient and robust.

Environmental Monitoring with the Tessel 2

October 13, 2016

Build an air-conditioner monitoring device to collect environment information and store it in the cloud.

Voltage Dividers

February 8, 2013

Turn a large voltage into a smaller one with voltage dividers.

Designing PCBs: Advanced SMD

December 10, 2012

Advanced Eagle layout for PCBs with SMD devices.

SparkFun USB to serial UART Boards Hookup Guide

February 18, 2016

How to use the SparkFun FTDI based boards to program an Arduino and access another serial device over the hardware serial port, without unplugging anything!

PCA9306 Level Translator Hookup Guide

October 31, 2013

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

LED Cloud-Connected Cloud

February 22, 2016

Make a RGB colored cloud light! You can also control it from your phone, or hook up to the weather!

How to Build a Remote Kill Switch

May 31, 2016

Learn how to build a wireless controller to kill power when things go... sentient.

Si4703 FM Radio Receiver Hookup Guide

August 13, 2015

Add some tunes to your project with the Si4703 FM Radio Receiver Breakout.

Photocell Hookup Guide

May 5, 2016

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

MAG3110 Magnetometer Hookup Guide

October 24, 2016

Get started with the MAG3110 3-Axis Magnetometer and learn how to make your own digital compass that senses the Earth's magnetic fields.

Arduino Comparison Guide

November 11, 2013

Examining the diverse world of Arduino boards.

VL6180 Hookup Guide

February 12, 2015

Get started with your VL6180 based sensor or the VL6180 breakout board.

MAX31855K Thermocouple Breakout Hookup Guide

November 5, 2015

Learn how to take readings with a k-type thermocouple using the MAX31855K cold-junction-compensated k-type thermocouple-to-digital converter.

Wake-on-Shake Hookup Guide

March 13, 2015

A basic hookup guide for getting started with the SparkFun Wake-on-Shake.

Analog to Digital Conversion

February 7, 2013

The world is analog. Use analog to digital conversion to help digital device interpret the world.

Choosing a LilyPad Arduino for Your Project

October 27, 2015

Not sure which LilyPad Arduino is right for you? We'll discuss the features of each and help you decide.

FTDI SmartBasic Hookup Guide

October 3, 2014

How to use an FTDI SmartBasic Board to program an Arduino and access another serial device over the hardware serial port, without unplugging anything!

Sunny Buddy Solar Charger Hookup Guide

April 11, 2014

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

Getting Started with Load Cells

June 11, 2015

A tutorial defining what a load cell is and how to use one.

ML8511 UV Sensor Hookup Guide

March 13, 2014

Get up and running quickly with this simple to use UV sensor.

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.

OpenLog Hookup Guide

April 7, 2016

An introduction to working with the OpenLog data logger.

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

LSM303C 6DoF Hookup Guide

October 8, 2015

A basic guide to get started with the LSM303C 6 Degrees of Freedom Breakout.

GPS Shield Hookup Guide

March 9, 2015

This tutorial shows how to get started with the SparkFun GPS Shield and read and parse NMEA data with a common GPS receiver.

Working with Wire

February 8, 2013

How to strip, crimp and work with wire.

DigitalSandbox PicoBoard

August 15, 2014

This tutorial walks through how to upload code to your Digital Sandbox to emulate the functionality of the PicoBoard with Scratch.

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.

Decade Resistance Box Hookup Guide

December 4, 2014

How to assemble the decade resistance box, then use it as a design and measurement tool.

Digital Sandbox Arduino Companion

July 31, 2014

Let's take the same examples from the ArduBlock-based Digital Sandbox guide, and implement them using Arduino code.

Hackers In Residence - The Tethered Quad

September 18, 2013

Our first-ever "Hackers in Residence" Tara Tiger Brown and Sean Bonner created a quadcopter that stays tethered to the ground. Here's how they did it!

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.

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Join us at the Boulder Mini Maker Faire!

January 28, 2015 1

We'll be at the Boulder Mini Maker Faire this weekend - and so should you!

This way to the Champlain Mini Maker Faire

October 7, 2013 1

SparkFun Education visits Shelburne, Vermont for the second annual Champlain Mini Maker Faire.

Facebook and a Mini-Maker Faire!

August 28, 2009 8

Check out a mini-Maker Faire in Ann Arbor and join SparkFun on Facebook!

Limited Edition Christmas Candy Pro Mini

December 11, 2013 20

Announcing the Christmas Candy Pro Mini Giveaway - taking place on Dec. 18th.

Reminder - SparkFun at Mini-Maker Faire!

July 8, 2010 9

There's a Mini-Maker Faire in Aspen this Saturday (July 10th).

Visit Us This Weekend at Denver Mini Maker Faire

May 1, 2014 6

This weekend is the first-ever Denver Mini Maker Faire - come say hello!

Calling All Colorado Makers - NoCo Mini Maker Faire

July 30, 2013 10

We're looking for projects and booths for the NoCo Mini Maker Faire on October 5th.

NoCo Mini Maker Faire Reminder

September 25, 2013 9

Come hang out with us at the Northern Colorado Mini Maker Faire!

Join Us at Mini Maker Faire Denver

April 7, 2014 1

We'll be holding a booth at Mini Maker Faire in Denver - come say hi!

Introducing the Qduino Mini!

February 24, 2015 20

We've partnered with 14-year-old whiz kid Quin Etnyre to bring his first Kickstarter to life!

Intro to Arduino with the ProtoSnap Mini

April 23, 2013 8

Join us for a great class on the basics of using Arduino.

Hacker-in-Residence: Programming with miniBloq

February 5, 2014 4

Julián is joining us from Argentina, to work on adding SparkFun parts to his miniBloq programming environment!

Calling All Colorado Makers! Denver Mini Maker Faire

January 22, 2014 5

Live in Colorado? Or anywhere even kind of near? Denver Maker Faire is approaching!

Join us for NoCo Mini Maker Faire!

September 29, 2014 0

We're right in our backyard for this upcoming Maker Faire.

New Product Friday: The MiniPost

June 1, 2012 35

Friday is the best day of the week. The weekend is close and the new products are many.

Another Maker Faire? Don't Mind If I Do!

June 28, 2010 11

SparkFun is heading to a mini-Maker Faire in Aspen on July 10th!

Baby Bluetooth

August 3, 2009 29

We found a mini Bluetooth dongle and just had to see what was inside.

NoCo Maker Faire - Your Final Reminder

October 2, 2013 11

The Northern Colorado Mini Maker Faire is this weekend - will you join us?

Friday Product Post: New Year, New Products

January 8, 2016 8

New solar panels, Arduinos, and the official release of the Qduino Mini! Woo-Hoo!

The iButton Portable Programmer

May 6, 2010 7

Check out this cool project from Jeff Miller featuring the SparkFun Arduino Pro Mini!

Christmas Candy Giveaway - While Supplies Last!

December 18, 2013 17

Today is your chance to get a free special edition Pro Mini - get them before we run out!

Arduino Mega

April 1, 2009 10

New Arduino Mega, Atomic inertia measurement unit, coffee mug, solder, jumper wires, and mini-Bully posted.

You have been randomly selected to serve on the next Dog Tribunal!

January 27, 2014 47

How SparkFun has maintained a high dog:human ratio as the company has grown up.

National Tour- Virginia to Nebraska and Then Home

January 29, 2014 3

SparkFun Education's National Tour traveled from Virginia, down through Florida, up to Nebraska, back down to Arkansas and then home to Colorado, teaching microcontroller technology all the while. Mini Coopers, Open Source Hardware, LEDs, John B., flamethrowers and balance bikes.... Oh my!

National Tour- Virginia to Nebraska and Then Home

January 29, 2014 2

SparkFun Education's National Tour traveled from Virginia, down through Florida, up to Nebraska, back down to Arkansas and then home to Colorado, teaching microcontroller technology all the while. Mini Coopers, Open Source Hardware, LEDs, John B., flamethrowers and balance bikes.... Oh my!

New Product Friday: What's with all the ComMotion?

January 30, 2015 9

Today, some new robotics parts and a pretty light-up flower. Yes, you read that right!

Tutorials Galore!

August 10, 2011 6

A couple tutorials to help you unleash your inner inventor.

Successful launch to 122,500 ft

September 15, 2008 2

University of Colorado launches their student platform.

Take Your Kids to Work Day 2015

April 27, 2015 2

They came, they saw, they loved the cafeteria.

To consume or not to consume...

August 25, 2014 0

How to get more out of the things in your classroom. Lower cost alternatives for your classroom Arduino projects.

A Short Product Post

July 1, 2010 18

We have a few new/revised products we wanted to quickly highlight!

Really Neat Projects and New Products

May 7, 2009 5

A stackable robot and a high altitude balloon, along with some new products.

Friday Product Post: Tinkerbell

June 10, 2016 5

Kits and LEDs! If we only had some magic pixie dust, we could fly and look cool doing it ...

Check Out the Roboat

December 29, 2011 15

The Roboat is a GPS-guided Autonomous Boat.

Friday Product Post: SAM-I-Am

November 13, 2015 9

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

Announcing the ProtoSnap Line

July 29, 2011 50

Take prototyping to the next level with the ProtoSnap!

USB Buying Guide

November 29, 2012 16

What's the difference between all these cables?

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RedBot & RedBoard with miniBloq

March 11, 2014

A step by step tutorial on how to use the drag and drop environment, miniBloq, to program SparkFun's RedBot and RedBoard.

ArduBlock and Protosnap ProMini

February 6, 2014

This is a short presentation on how to use ArduBlock - a graphical programming environment with the Protosnap ProMini.

TEI Workshop Materials - Gaming

February 6, 2014

Resources for programming a game using ProtoSnap Mini and Processing.


February 6, 2014

Teach digital and analog input and output using the RGB LEDs, buttons and buzzers with the ProtoSnap board.

Sylvia's Super Awesome Book Projects

November 19, 2014

Sylvia’s Super Awesome Arduino Book Projects The kit is now available! Guess what?! Super-Awesome Sylvia, star of Super-Awesome Sylvia’s Super-Awesome Maker Show, has a new book for you…

LilyPad with ArduBlock Workshop

June 10, 2014

Presentation materials on using ArduBlock with the LilyPad Simple Development Board during a workshop at Fashion Institute of Technology 6/5/2014.

ISS National Design Challenge

June 24, 2015

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 …

USB Buying Guide

January 1, 2012

USB Buying Guide One day in 1994, seven world-leading technology companies sat down and created a new standard for connecting computer peripherals. By “one day,” of course I mean, “…

innovation Workshop Materials

January 26, 2016

Innovation Workshops SparkFun is proud to announce a great educational partnership with Innovate Oregon. SparkFun is the hardware and professional development partner for a number of e…

Career and Technical Education Challenge

August 9, 2016

CTE Makeover Challenge The U.S. Department of Education invited schools to enter the CTE Makeover Challenge by submitting a design for a CTE makerspace. Makerspaces provide students the…

Using the SIK with JavaScript

March 11, 2016

Programming the SparkFun Inventors Kit with JavaScript SparkFun is proud to announce a great educational partnership with Innovate Oregon. SparkFun is the hardware and profession…

Arduino 101 Workshop

April 12, 2016

Education 101 Hackathon SparkFun is proud to announce a great educational partnership with both Intel and local educational partners to provide a 2 day educator hackathon. SparkFun is …

Arduino Buying Guide

January 1, 2012

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…

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…

AVC 2016

September 26, 2016

View Photos View Scoreboard View Site Map View Rules View Program Watch a recap of the live stream here! …

Wireless Buying Guide

January 1, 2012

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…

Introduction To Arduino: Make a Light Sculpture!

July 9, 2016

Go from blinking an LED to creating your very own light sculpture! This class is for anyone who has never played around with Ardui…

mini robot

otrab 10 items

Lista de materiales para la fabricación de un mini robot.

Mini Robot

Member #296425 13 items

Powering the Arduino Mini robot with LiPo battery

Mini Inventor's Kit for Galileo

Member #641196 12 items

This is a derivative of the SparkFun Mini Inventor’s Kit for...

Sparkfun Mini Inventor's Kit for Redboard (DEV-13160)

xtopher 14 items

The SparkFun Mini Inventor’s Kit (SMIK) is a great way to...

Arduino Pro Minis

Member #395328 5 items

Shopping list. Get going with the Arduino Pro Mini.


Member #82178 56 items

This is a parts list for a fully-populated Kegboard,...

Mini photocell

Member #521040 items

I am in need of three mini photocells with dark resistance...

kegboard-mini "No Relay" + 1 coaster

Member #82178 32 items

This is a variation of the complete kegboard parts list,...

kegboard-mini "Bare Minimum" + 1 coaster

Member #82178 26 items

This is a variation of the complete kegboard parts list,...

brc 2.0

Oscar Rodas 240 items

Compra de componentes para brc 2.0

Actobotics Primer - Basic Diff Bot

Mecha-King Ghidorah 28 items

If the 303 RPM motors are sold out, Any speed Standard...

PcDuino Option

D___Run___ 14 items

This provides infrastructure as well as the hardware of the...

100 additional mini kits

Dia 235 items

Add 100 kits to the base order of 50. Extras are to account...

Costume project Nina

Member #535683 22 items

Building interactive mini costumes for a dance performance.

NewByte miniAHRS systems

bar86 80 items

Parts that work my miniAHRS system based on the magnificent...

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