Microcontrollers

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mbed - LPC1768 (Cortex-M3)

23 available DEV-09564

The mbed microcontroller is an ARM processor, a comprehensive set of peripherals and a USB programming and communication inte…

$54.95

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SparkFun Arduino Pro Mini Starter Kit - 5V/16MHz

33 available KIT-15254

What's blue, thin, and comes with everything you need to get started? The Pro Mini 5V Starter Kit!

$29.95

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SparkFun Ardumoto Shield Kit

Out of stock KIT-14180

Robots are fun, and Arduinos are easy. So wouldn't it be nice if there were a kit that included everything you need to get yo…

$28.95

Favorited Favorite 12

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ProtoScrewShield

Only 10 left! DEV-09729

The ScrewShield extends all pins of the Arduino out to 3.5mm pitch screw terminals. It also has a lot of the utility provided…

$16.95

Favorited Favorite 9

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AVR 8 Pin 20MHz 8K 4A/D - ATtiny85

In stock COM-09378

Atmel's itty-bitty ATtiny85 8-Bit Processor. 8K of program space, 6 I/O lines, and 4-channel 10 bit ADC. Runs up to 20MHz wit…

$2.84

Favorited Favorite 42

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MicroPython pyboard v1.1

29 available DEV-14412

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

$39.95

Favorited Favorite 7

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SparkFun TeensyView

In stock LCD-14048

The SparkFun TeensyView brings you an easy way to add a small, white-on-black OLED to your Teensy development board. The 128x…

$15.95

Favorited Favorite 22

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ATmega328 with Arduino Optiboot (Uno)

34 available DEV-10524

The name says it all on this one. An ATmega328P in DIP package, pre-loaded with the Arduino Optiboot (Uno 16MHz) Bootloader. …

$5.50

Favorited Favorite 39

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Arduino Ethernet Shield 2

Only 10 left! DEV-11166

The Arduino Ethernet Shield 2 allows an Arduino Board to connect to the Internet. It is based on the Wiznet W5500 Ethernet ch…

$24.95

Favorited Favorite 16

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Teensy++ 2.0

In stock DEV-11781

The Teensy is a breadboard-friendly development board with loads of features in a, well, teensy package. The Teensy++ breaks …

$24.95

Favorited Favorite 8

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Teensy 3 Audio Shield (Rev C)

In stock DEV-15421

This is the Teensy Audio Adapter Board that can be added to a Teensy 3.0, 3.1, 3.2, 3.5 or 3.6 for your next audio project.

$14.95

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SparkFun Thing Plus - XBee3 Micro (U.FL)

19 available WRL-15435

The XBee3 Thing Plus is an ultra-capable and easy way for getting into wireless device development.

$49.95

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Qduino Mini - Arduino Dev Board

Out of stock DEV-13614

The Qduino Mini is a tiny, Arduino-compatible board with a battery connector and charger built-in as well as a fuel gauge tha…

$31.95

Favorited Favorite 34

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Teensy Header Kit

In stock PRT-13925

These headers are made to work with the Teensy 4.0, Teensy 3.2, and Teensy LC development boards. Each kit of headers makes y…

$1.50

Favorited Favorite 15

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SparkFun LumiDrive LED Driver

21 available DEV-14779

With the SparkFun LumiDrive you will be able to control and personalize a whole strand of APA102s directly from the board its…

$19.95

Favorited Favorite 8

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SparkFun RED-V Thing Plus - SiFive RISC-V FE310 SoC

Only 6 left! DEV-15799

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

$29.95

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SmartLED Shield V4 for Teensy

In stock DEV-15046

The SmartLED Shield V4 is the next iteration of the SmartMatrix Shield and provides you with a bridge for your Teensy to your…

$19.95

Favorited Favorite 3

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Arduino Pro 328 - 5V/16MHz

25 available DEV-10915

It's blue! It's skinny! It's the Arduino Pro! SparkFun's minimal design approach to Arduino. This is a 5V Arduino running the…

$15.95

Favorited Favorite 19

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Arduino Nano Stackable Header Kit

In stock PRT-16279

This set of female stackable headers includes two 15-pin headers; the pins are spaced by 0.1".

$1.50

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Arduino Leonardo with Headers

In stock DEV-11286

Arduino is an open-source physical computing platform based on a simple i/o board and a development environment that implemen…

$21.95

Favorited Favorite 14

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SparkFun Digital Sandbox Add-On

Only 12 left! KIT-12963

This is the Add-On kit for the SparkFun Digital Sandbox (DS) learning platform. With this add-on you will be able to perform …

$14.95

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Arduino MKR1000 (with Headers)

33 available DEV-14393

The Arduino MKR1000 is a powerful board that combines the functionality of an Arduino Zero and a handy WiFi shield. This thin…

$35.99

Favorited Favorite 9

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SparkFun Qwiic Shield for Arduino Nano

In stock DEV-16789

The SparkFun Qwiic Shield for Arduino Nano makes it so you can use SparkFun's Qwiic connect ecosystem with development boards…

$3.95

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Arduino Fio

Only 13 left! DEV-10116

The Arduino Funnel I/O (Fio) is a board designed by Shigeru Kobayashi, based on the original design from [LilyPad](http://www…

$26.95

Favorited Favorite 22

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Arduino Pro 328 - 3.3V/8MHz

In stock DEV-10914

It's blue! It's skinny! It's the Arduino Pro! SparkFun's minimal design approach to Arduino. This is a 3.3V Arduino running t…

$15.95

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Arduino Stackable Header - 8 Pin

In stock PRT-09279

This is a 8-pin female header, with extra long legs -- great for stacking Arduino shields. Pins are spaced by 0.1".

$0.50

Favorited Favorite 7

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Arduino Uno Enclosure - Clear Plastic

In stock PRT-12838

The Arduino Uno is the undisputed champion of all development boards, why would you not want to keep your board safe and soun…

$7.95

Favorited Favorite 14

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SparkFun RedBoard Edge

In stock DEV-14525

The SparkFun RedBoard Edge is a rework of the SparkFun RedBoard that has been designed to be panel mounted in your custom pro…

$21.95

Favorited Favorite 20

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SparkFun MicroView - USB Programmer

In stock DEV-12924

The MicroView is the first chip-sized Arduino compatible module that lets you see what your Arduino is thinking using a built…

$15.95

Favorited Favorite 27

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Teensy Prop Shield

Only 12 left! DEV-13995

The Teensy Prop Shield is meant for making interactive light and sound effects on small, handheld props and wearable costumes…

$19.95

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mbed Application Board

Out of stock DEV-11695

The mbed boards are a series of ARM microcontroller development boards designed for rapid prototyping and this is breakout ma…

$59.95

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Pycom LoPy4 Development Board

Only 7 left! WRL-14674

The LoPy4 is a compact quadruple network MicroPython enabled development board. It’s the perfect enterprise grade IoT platf…

$47.95

Favorited Favorite 16

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FTDI to USB-C Cable - 5V VCC-3.3V I/O

In stock CAB-14909

This FTDI cable is a USB C to Serial converter which allows for a simple way to connect TTL interface devices to USB.

$19.95

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SparkFun AST-CAN485 I/O Shield (24V)

In stock DEV-14598

The AST-CAN485 I/O Shield allows you to interface the AST-CAN485 Dev Board with 24V inputs and outputs, expanding its usefuln…

$19.95

Favorited Favorite 1

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Arduino Stackable Header - 6 Pin

In stock PRT-09280

This is a 6-pin female header, with extra long legs -- great for stacking Arduino shields. Pins are spaced by 0.1".

$0.50

Favorited Favorite 5

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Arduino Stackable Header - 10 Pin

Out of stock PRT-11376

This is a 10-pin female header, with extra long legs -- great for stacking R3-compatible Arduino shields! Pins are spaced…

$0.50

Favorited Favorite 8

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PICAXE 18M2+ Microcontroller (18 pin)

33 available COM-10187

The new generation 18 pin PICAXE microcontroller now has parallel tasking, touch sensors and more memory/RAM. See the [Info…

$4.95

Favorited Favorite 10

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SparkFun Wireless Motor Driver Shield

24 available DEV-14285

The SparkFun Wireless Motor Driver Shield is designed to make connecting motors, sensors and other components to your Arduino…

$21.95

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PICAXE 14M2 Microcontroller (14 pin)

Out of stock COM-10802

This is the PICAXE-14M2 microcontroller chip. PICAXE is a neat entry-level microcontroller system that is relatively chea…

$3.95

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SparkFun EL Escudo Dos

Only 3 left! COM-10878

We've heard you, and made a number of improvements to our EL Shield. The new version adds zero-crossing optoisolated triacs f…

$27.95

Favorited Favorite 17

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Feather Stackable Header Kit

In stock PRT-15187

These stackable headers are made to work with the [SparkFun ESP32 Thing Plus](https://www.sparkfun.com/products/14689) to con…

$1.50

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Arduino Stackable Header Kit

In stock PRT-10007

These headers are made to work with the Arduino Main Board, Arduino Pro, and the Arduino Mega. They are the perfect height fo…

$1.50

Favorited Favorite 15

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Mux Shield II

In stock DEV-11723

Sometimes you've got way too many inputs, or outputs... or both. How are you going to get them all connected to your Arduino?…

$24.95

Favorited Favorite 13

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Arduino MKR1000

In stock DEV-14394

The Arduino MKR1000 is a powerful board that combines the functionality of an Arduino Zero and a handy WiFi shield. This thin…

$34.99

Favorited Favorite 12

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AVR 28 Pin 20MHz 32K 6A/D - ATMega328P

Only 2 left! COM-09061

Atmel's ATmega328P 8-Bit Processor in 28 pin DIP package. It's like the ATmega168, with double the flash space. 32K of progra…

$2.95

Favorited Favorite 32

Arduino MKR IoT Bundle

Out of stock DEV-15261

The Arduino MKR IoT Bundle is a starter pack for those looking to get into connected devices or the Internet of Things.

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Arduino Uno Enclosure - Black Plastic

21 available PRT-12839

The Arduino Uno is the undisputed champion of all development boards, why would you not want to keep your board safe and soun…

$7.95

Favorited Favorite 9