Hello and Welcome! If you have a technical question please check out our Forums. If you have an order or shipping question please refer to our Customer Support page. Please see all COVID-19 updates here and thank you for your continued support.

Find a Retailer
Need Help?

Customer Service

Track My Order

Frequently Asked Questions

International Shipping Info

Send Email

Mon-Fri, 9am to 12pm and
1pm to 5pm U.S. Mountain Time:

(303) 284-0979

Chat With Us

Shop
Learn
Blog
Support

Shopping Cart 0 items

Shop
Learn
Blog
Support

Today's Deals
Education
Forum

Today's Deals Desktop Site Education

All Categories

Featured

New Products
Top Sellers
Sale
Gift Certificates

Brands

SparkFun
Arduino
Raspberry Pi
Qwiic
micro:bit
all brands

Development

Single Board Comp.
Microcontrollers
Machine Learning
FPGA
Prototyping Boards
all development

Sensors

Movement
Biometrics
Imaging
Environment
Capacitive
all sensors

Tools

3D Printing
CNC
Soldering
Hand Tools
Instruments
all tools

Miscellaneous

All Kits
Books
Arts/Crafts Supplies
SD Cards
Swag
all misc

Components

LED & Illumination
Buttons & Switches
LCDs & OLEDs
Power
Cables & Wire
all components

E-Textiles

LilyPad
Sewable Electronics
Materials
E-Textile Power
E-Textile Kits
all e-textiles

Robotics

Actobotics
Motors & Drivers
Parts
Hardware
Robotics Kits
all robotics

Wireless & IoT

Bluetooth
WiFi
Satellite
GPS & GNSS
Wireless Kits
all wireless/IoT

Audio

Audio Boards
Audio Cables
Speakers
Audio Chips
all audio

Home
Product Categories
Development Tools
Microcontrollers (194 products)

Filter and sort

Sort by:

Most Popular
Highest Price
Lowest Price
Alphabetical
Highest Reviewed
Newest
Oldest

Subcategory:

Android
Arduino
ARM
AVR Microcontrollers
LPC
mbed
.NET
PIC
PICAXE
PICAXE Microcontrollers
PIC Microcontrollers
Python & MicroPython
Teensy

Refine by:

SparkFun Original
On sale
In stock

Customer reviews:

5 stars
4 stars
3 stars
2 stars
1 stars

Price:

$0 – $10
$10 – $20
$20 – $30
$30 – $40
$40 – $50
$50 – $75
$75 – $100
$100 +
Minimum price

$

to Maximum price

$

Apply custom price filter

Retired:

Show only retired

Apply filters:

Microcontrollers

Jump to Subcategory:

Android Arduino ARM AVR Microcontrollers LPC mbed .NET PIC PICAXE PICAXE Microcontrollers PIC Microcontrollers Python & MicroPython Teensy

added to your cart!

SparkFun Edge Development Board - Apollo3 Blue

Out of stock DEV-15170

The SparkFun Edge Development Board powered by TensorFlow is perfect begin using voice recognition without relying on the ser…

$14.95

Favorited Favorite 33

Wish List

added to your cart!

SparkFun OpenLog with Headers

In stock DEV-13955

The SparkFun OpenLog with Headers can store, or "log", huge amounts of serial data and act as a black box of sorts.

$15.95

Favorited Favorite 3

Wish List

added to your cart!

MicroPython pyboard v1.1 (with Headers)

In stock DEV-14413

The pyboard is a compact and powerful electronics development board that runs MicroPython. It connects to your PC over USB, g…

$44.95

Favorited Favorite 11

Wish List

added to your cart!

SparkFun RedBoard Artemis Nano

In stock DEV-15443

The RedBoard Artemis Nano is a miniature extremely versatile implementation of the Artemis module.

$14.95

Favorited Favorite 30

Wish List

added to your cart!

SparkFun Spectrum Shield

34 available DEV-13116

The Spectrum Shield enables your Arduino with the capability of splitting a stereo audio input into 7-bands per channel. You …

$26.95

Favorited Favorite 14

Wish List

added to your cart!

SparkFun XBee Shield

In stock WRL-12847

XBee radios are an awesome way to add wireless capability to your Arduino project and now it's even easier with the SparkFun …

$15.95

Favorited Favorite 24

Wish List

added to your cart!

SparkFun MIDI Shield

Only 13 left! DEV-12898

The SparkFun MIDI Shield board gives your Arduino-based device access to the antiquated, but still widely used and well suppo…

$21.95

Favorited Favorite 30

Wish List

added to your cart!

SparkFun USB Host Shield

Out of stock DEV-09947

This new version corrects the pin out for the GPX and RESET pins. The SparkFun USB Host Shield contains all of the digital lo…

$26.95

Favorited Favorite 13

Wish List

added to your cart!

KTA-223 USB/RS485 Relay IO Board

Out of stock DEV-09526

The KTA-223 Relay Board is a USB or RS485 controlled module that can interface a PC to eight or more SPDT relays. This could …

$144.95

Favorited Favorite 4

Wish List

added to your cart!

SparkFun microSD Shield

33 available DEV-12761

Running out of memory space in your Arduino project? The SparkFun microSD Shield equips your Arduino with mass-storage capabi…

$14.95

Favorited Favorite 12

Wish List

added to your cart!

SparkFun RedBoard Turbo - SAMD21 Development Board

20 available DEV-14812

If you’re ready to step up your Arduino game from older 8-bit/16MHz microcontrollers, the SparkFun RedBoard Turbo is a form…

$24.95

Favorited Favorite 16

Wish List

Arduino Nano 33 IoT with Headers

Out of stock DEV-15589

The ease of use of a Nano board with the addition of secure IoT and BT connectivity. This small, robust and powerful board…

Favorited Favorite 5

Wish List

added to your cart!

Arduino and Breadboard Holder

In stock DEV-11235

We've been prototyping for a long time on these awesome little plastic plates but it's time for an upgrade. This version stil…

$3.95

Favorited Favorite 60

Wish List

added to your cart!

FreeSoC2 Development Board - PSoC5LP

Only 9 left! DEV-13714

This is the FreeSoC2 Development Board, SparkFun’s take on the PSoC5LP ARM Cortex. The PSoC (Programmable System-on-Chip) b…

$54.95

Favorited Favorite 8

Wish List

added to your cart!

SparkFun Power Driver Shield Kit

Out of stock DEV-10618

This shield allows you to use a computer power supply (or other power source) to use your Arduino to switch high current. Wit…

$21.95

Favorited Favorite 9

Wish List

added to your cart!

PICAXE 08M2 Microcontroller (8 pin)

In stock COM-10803

PICAXE-08M2 microcontroller chip. PICAXE is a neat entry-level microcontroller system that is relatively cheap to get sta…

$2.95

Favorited Favorite 14

Wish List

added to your cart!

Fio v3 - ATmega32U4

Out of stock DEV-11520

The Fio v3 is a new spin on the Arduino Fio hardware powered by the ATmega32U4.Not only is it small and LiPo-ready, it's a ve…

$36.95

Favorited Favorite 12

Wish List

added to your cart!

Arduino Uno - R3 SMD

Only 8 left! DEV-11224

This is the new Arduino Uno R3. In addition to all the features of the previous board, the Uno now uses an ATmega16U2 instead…

$22.95

Favorited Favorite 27

Wish List

added to your cart!

SparkFun WiFi Shield - ESP8266

Only 6 left! WRL-13287

The SparkFun ESP8266 WiFi Shield is an Arduino compatible shield for the ESP8266 WiFi SoC – a leading platform for IoT or W…

$16.95

Favorited Favorite 51

Wish List

added to your cart!

SparkFun RedBoard Artemis

In stock DEV-15444

The RedBoard Artemis takes the incredibly powerful Artemis module from SparkFun and wraps it up in an easy to use and familia…

$19.95

Favorited Favorite 18

Wish List

added to your cart!

SparkFun Thing Plus - SAMD51

In stock DEV-14713

With a 32-bit ARM Cortex-M4F MCU, the SparkFun SAMD51 Thing Plus is one of our most powerful microcontroller boards yet!

$19.95

Favorited Favorite 17

Wish List

added to your cart!

SparkFun Digital Sandbox

21 available DEV-12651

The Digital Sandbox (DS) is a learning platform that engages both the software and hardware worlds. It’s powered by a micro…

$49.95

Favorited Favorite 31

Wish List

added to your cart!

SparkFun ProtoShield Kit

33 available DEV-13820

The SparkFun ProtoShield Kit lets you customize your own Arduino shield using whatever circuit you can come up with and then …

$10.95

Favorited Favorite 13

Wish List

added to your cart!

SparkFun Qwiic Shield for Arduino

In stock DEV-14352

The SparkFun Qwiic Shield is an easy-to-assemble board that provides a simple way to incorporate the Qwiic Connect System wit…

$6.95

Favorited Favorite 29

Wish List

added to your cart!

Bare Conductive Touch Board

23 available DEV-13298

The Touch Board from Bare Conductive is an easy-to-use Arduino@Heart board that gives you the ability to turn almost any mate…

$59.95

Favorited Favorite 13

Wish List

added to your cart!

Arduino Stackable Header Kit - R3

Out of stock PRT-11417

These headers are made to work with the Arduino Uno R3, Leonardo and new Arduino boards going forward. They are the perfect h…

$1.50

Favorited Favorite 62

Wish List

STEMTera (Orange)

Out of stock DEV-14279

The STEMTera is an innovation in breadboard history. It is the first breadboard with an Arduino-compatible hardware suite bui…

Favorited Favorite 7

Wish List

added to your cart!

SparkFun GPS Logger Shield

32 available GPS-13750

The SparkFun GPS Logger Shield equips your Arduino with access to a GPS module, µSD memory card socket, and all of the other…

$49.95

Favorited Favorite 18

Wish List

added to your cart!

EasyVR 3 Plus Shield for Arduino

In stock COM-15453

The EasyVR 3 Plus Shield is a voice recognition shield for Arduino boards integrating an EasyVR module.

$49.95

Favorited Favorite 10

Wish List

added to your cart!

Arduino Nano 33 BLE Sense

In stock DEV-15580

Arduino Nano 33 BLE Sense is built around the NINA B306 module for BLE and Bluetooth 5 communication.

$39.95

Favorited Favorite 3

Wish List

added to your cart!

SparkFun Thing Plus - Artemis

In stock WRL-15574

The SparkFun Artemis Thing Plus takes our popular Feather footprint and adds in the powerful Artemis module for ultimate func…

$20.95

Favorited Favorite 16

Wish List

added to your cart!

Arduino Nano Every

In stock DEV-15590

The Arduino Nano Every is a small, robust and powerful board with the same classic Nano footprint.

$14.95

Favorited Favorite 5

Wish List

added to your cart!

SparkFun RedBoard Artemis ATP

24 available DEV-15442

The RedBoard Artemis ATP has 48 GPIO and this board breaks out all of them in an Arduino Mega format.

$24.95

Favorited Favorite 10

Wish List

added to your cart!

SparkFun BlackBoard C

In stock SPX-16282

The BlackBoard from SparkFun is everything you need in an Arduino Uno with *many* extra perks. BlackBoard has all of the hard…

$14.95

Favorited Favorite 13

Wish List

added to your cart!

SparkFun Artemis Module - Low Power Machine Learning BLE Cortex-M4F

In stock WRL-15484

The Artemis Module from SparkFun is the first FCC certified, open-source, Cortex-M4F with BLE 5.0 running up to 96MHz and wit…

$8.95

Favorited Favorite 9

Wish List

added to your cart!

SparkFun Arduino ProtoShield - Bare PCB

In stock DEV-13819

The SparkFun Arduino ProtoShield is a bare PCB with no attached or included parts that lets you customize your own shield usi…

$4.95

Favorited Favorite 10

Wish List

added to your cart!

SparkFun Qwiic Micro - SAMD21 Development Board

In stock DEV-15423

The SparkFun Qwiic Micro is molded to fit our standard 1" x 1" Qwiic board size which makes it our smallest SAMD21 micro-cont…

$19.95

Favorited Favorite 13

Wish List

added to your cart!

SparkFun SAMD21 Dev Breakout

21 available DEV-13672

If you’re ready to step your Arduino game up from older 8-bit/16MHz microcontrollers, the SparkFun SAMD21 Dev Breakout is a…

$25.95

Favorited Favorite 12

Wish List

added to your cart!

SparkFun Arduino Pro Mini Starter Kit - 3.3V/8MHz

Only 7 left! KIT-15257

What's blue, thin, and comes with everything you need to get started? The Pro Mini 3.3V Starter Kit!

$29.95

Favorited Favorite 2

Wish List

added to your cart!

SparkFun MiniGen - Pro Mini Signal Generator Shield

29 available BOB-11420

This is the SparkFun MiniGen Signal Generator, a small shield for the Arduino Pro Mini that is capable of generating sine, sq…

$29.95

Favorited Favorite 18

Wish List

added to your cart!

SparkFun RED-V RedBoard - SiFive RISC-V FE310 SoC

In stock DEV-15594

The RED-V RedBoard from SparkFun is a low-cost, Arduino-compatible development board featuring the Freedom E310 which brings …

$39.95

Favorited Favorite 6

Wish List

STEMTera (Black)

Out of stock DEV-14082

The STEMTera is an innovation in breadboard history. It is the first breadboard with an Arduino-compatible hardware suite bui…

Favorited Favorite 61

Wish List

added to your cart!

SparkFun Music Instrument Shield

Only 13 left! DEV-10587

Do you ever wish your Arduino was more musically talented? Or maybe your project could use some cool sound effects. The Spark…

$32.95

Favorited Favorite 20

Wish List

added to your cart!

BeagleBone Black - Rev C

In stock DEV-12857

The BeagleBone Black is a low-cost credit-card-sized development platform with good support from a fast growing community. Th…

$54.95

Favorited Favorite 22

Wish List

added to your cart!

Arduino Uno WiFi R2

17 available DEV-14871

The Arduino Uno WiFi R2 is an Arduino Uno with an integrated ESP32 u-blox NINA-W13 WiFi module.

$44.95

Favorited Favorite 14

Wish List

added to your cart!

Teensy 4 Audio Shield (Rev D)

In stock DEV-15845

This is the Teensy Audio Adapter Board that can be added to a Teensy 4.0 for your next audio project.

$14.95

Favorited Favorite 2

Wish List

added to your cart!

GreatFET One

Only 1 left! DEV-16267

Whether you need an interface to an external chip, a logic analyzer, a debugger, or just a lot of pins to bit-bang, the Great…

$99.95

Favorited Favorite 2

Wish List

added to your cart!

Teensy Arduino Shield Adapter

Only 6 left! KIT-15716

The Teensy is an amazing and compact development platform in a breadboard friendly form factor, but what if you could incorpo…

$12.95

Favorited Favorite 3

Wish List

Weekly product releases, special offers, and more.

YouTube
Instagram
GitHub
Facebook
Twitter
RSS

ABOUT SPARKFUN

Read Our Story
Press & Media
Success with SparkFun
SparkFun Education
Job Openings

PARTNER WITH US

See Our Partners
Become a Distributor/Reseller
Receive Volume Discounts
Explore Services
Apply for a Hardware Donation

SUPPORT

Customer Support
Purchase Orders & Payment Terms
Technical Assistance
FAQs
Contact Us

SITE INFORMATION

Terms of Service
Privacy Policy
Compliance
Site Map

SparkFun Electronics ®
6333 Dry Creek Parkway, Niwot, Colorado 80503
Desktop Site

Your Account
Log In
Register

Log In

Questions? Feedback?Olark live chat software