Arduino & Microcontrollers

Arduino and other Arduino-compatible microcontrollers are perfect when you need a small, rock-solid controller for your project. Program them, pop them into your project, and they'll happily run forever.
  • Goldilocks: Arduino Compatible with ATmega1284P MCU
    Goldilocks: Arduino Compatible with ATmega1284P MCU
    $76.95

    Goldilocks: Arduino Compatible with ATmega1284P MCU

    Freetronics

    [Update - we're taking feedback for a new '1284P-powered board!] Have you run out of RAM in your project, and find the Uno just doesn't quite cut ...

    FT-GOLDILOCKS

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    $76.95
  • Experimenter's Kit for Arduino
    $98.95

    Experimenter's Kit for Arduino

    Freetronics

    Servo motor, lights, buttons, switches, sound, sensors, breadboard, wires and more are included with a Freetronics Eleven Arduino-compatible board...

    FT-EXPKIT

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    $98.95
  • Ethernet Shield With PoE
    Ethernet Shield With PoE
    $49.45

    Ethernet Shield With PoE

    Freetronics

    Put your Arduino online with the Freetronics Ethernet Shield and have it talk to the world. Do Twitter updates automatically, serve web pages, conn...

    FT-ES

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    $49.45
  • EtherDue (100% Arduino Due compatible with onboard Ethernet)
    EtherDue (100% Arduino Due compatible with onboard Ethernet)
    $130.90

    EtherDue (100% Arduino Due compatible with onboard Ethernet)

    Freetronics

      Oodles of ARM-based power, Ethernet network connectivity, MicroSD storage, and the simplicity and ease of the Arduino IDE (with 100% compatibili...

    FT-ED

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    $130.90
  • Bluetooth Shield
    Bluetooth Shield
    $43.95

    Bluetooth Shield

    Freetronics

    Want to communicate with your Arduino wirelessly? Don't want the complication of WiFi? Our Bluetooth Shield plugs right in and lets you send and r...

    FT-BTSH

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    $43.95
  • ArduPhone Arduino Compatible Cellphone
    ArduPhone Arduino Compatible Cellphone
    $185.90

    ArduPhone Arduino Compatible Cellphone

    Freetronics

    Build your own cellphone! Based on the ATmega1284P, ArduPhone lets you build mobile phone functionality into your Arduino projects or even to use a...

    FT-PHONE

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    $185.90
  • 433MHz Receiver Shield for Arduino
    433MHz Receiver Shield for Arduino
    $43.95

    433MHz Receiver Shield for Arduino

    Freetronics

    This product has been superseded by the Receiver Shield 315MHz / 433MHz. Click here for the new model. This page is left for reference only, and th...

    FT-SH-433MHZ-RX

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    $43.95
  • tinyTILE - Intel® Curie Dev Board
    tinyTILE - Intel® Curie Dev Board
    $99.00

    tinyTILE - Intel® Curie Dev Board

    SparkFun

    The tinyTILE, an Intel® Curie-based board, is a miniaturized adaptation Arduino/Genuino 101® board perfect for wearable and IoT applications. The t...

    SF-DEV-14281

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    $99.00
  • STEMTera (Blue)
    STEMTera (Blue)
    $111.69

    STEMTera (Blue)

    SparkFun

    The STEMTera is an innovation in breadboard history. It is the first breadboard with an Arduino-compatible hardware suite built in that works with ...

    SF-DEV-14278

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    $111.69
  • SparkFun Ardumoto - Motor Driver Shield
    SparkFun Ardumoto - Motor Driver Shield
    $43.28

    SparkFun Ardumoto - Motor Driver Shield

    SparkFun

    The Ardumoto Shield is a dual-motor controller for Arduino. Based on the L298 H-bridge, the SparkFun Ardumoto can drive two DC motors up to 2A per ...

    SF-DEV-14129

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    $43.28
  • STEMTera (White)
    STEMTera (White)
    $111.69

    STEMTera (White)

    SparkFun

    The STEMTera is an innovation in breadboard history. It is the first breadboard with an Arduino-compatible hardware suite built in that works with ...

    SF-DEV-14083

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    $111.69
  • STEMTera (Black)
    STEMTera (Black)
    $123.12

    STEMTera (Black)

    SparkFun

    The STEMTera is an innovation in breadboard history. It is the first breadboard with an Arduino-compatible hardware suite built in that works with ...

    SF-DEV-14082

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    $123.12
  • Arduino 101
    Arduino 101
    $74.88

    Arduino 101

    SparkFun

    The Arduino 101 is a learning and development board that delivers the performance and low-power consumption of the Intel® Curie module with the sim...

    SF-DEV-13787

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    $74.88
  • Relay Shield v2.0
    Relay Shield v2.0
    $25.72

    Relay Shield v2.0

    SparkFun

    This Relay Shield v2.0 from Evil Mad Scientist is a simple Arduino add-on that gives your Arduino the ability to control a single electromechanical...

    SF-DEV-13769

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    $25.72
  • Qduino Mini - Arduino Dev Board
    Qduino Mini - Arduino Dev Board
    $64.86

    Qduino Mini - Arduino Dev Board

    SparkFun

    The Qduino Mini is a tiny, Arduino-compatible board with a battery connector and charger built-in as well as a fuel gauge that can tell you when to...

    SF-DEV-13614

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    $64.86
  • SparkFun Ludus Protoshield
    SparkFun Ludus Protoshield
    $50.68

    SparkFun Ludus Protoshield

    SparkFun

    The SparkFun Ludus ProtoShield is a motor driver shield for your Arduino that is designed to make connecting motors, sensors and other components t...

    SF-DEV-13310

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    $50.68
  • SparkFun Ludus Protoshield Wireless
    SparkFun Ludus Protoshield Wireless
    $50.68

    SparkFun Ludus Protoshield Wireless

    SparkFun

    The SparkFun Ludus ProtoShield Wireless is a motor driver shield for your Arduino that is designed to make connecting motors, sensors and other com...

    SF-DEV-13295

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    $50.68
  • SparkFun OpenSegment Shield
    SparkFun OpenSegment Shield
    $30.93

    SparkFun OpenSegment Shield

    SparkFun

    We love 7-segment displays and we know you do too, so we have made the easiest (arguably) to use medium for you to get up and running and use! This...

    SF-DEV-13190

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    $30.93
  • SparkFun LiPower Shield
    SparkFun LiPower Shield
    $62.00

    SparkFun LiPower Shield

    SparkFun

    Is there anything an Arduino can’t do? Well, for one, most of them can’t be powered directly from a 3.7V LiPo battery; much less charge and monitor...

    SF-DEV-13158

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    $62.00
  • Intel® Galileo Gen 2
    Intel® Galileo Gen 2
    $190.26

    Intel® Galileo Gen 2

    SparkFun

    The Intel® Galileo Gen 2 board is based on the Intel® Quark SoC X1000, a 32-bit Intel Pentium®-class system on a chip (SoC). It is the first board ...

    SF-DEV-13096

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    $190.26
  • RS232 Shield V2
    RS232 Shield V2
    $25.38

    RS232 Shield V2

    SparkFun

    As you know, the Arduino micro controller only has a USB port and a TTL UART interface, so if you need an RS232 port directly connected to your Ard...

    SF-DEV-13029

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    $25.38
  • RS485 Shield V2
    RS485 Shield V2
    $25.38

    RS485 Shield V2

    SparkFun

    Our friends over at LinkSprite have made this nifty little RS485 Shield, now you will be able to have a communication port for your field bus direc...

    SF-DEV-12965

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    $25.38
  • SparkFun Vernier Interface Shield
    SparkFun Vernier Interface Shield
    $53.94

    SparkFun Vernier Interface Shield

    SparkFun

    This is the SparkFun Vernier Interface Shield, a simple add-on to give your Arduino the capability to interface with Vernier sensors. Attached to t...

    SF-DEV-12858

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    $53.94
  • SparkFun microSD Shield
    SparkFun microSD Shield
    $27.92

    SparkFun microSD Shield

    SparkFun

    Running out of memory space in your Arduino project? The SparkFun microSD Shield equips your Arduino with mass-storage capability, so you can use i...

    SF-DEV-12761

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    $27.92