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.
  • SparkFun FTDI SmartBasic
    SparkFun FTDI SmartBasic
    $41.29

    SparkFun FTDI SmartBasic

    SparkFun

    The SparkFun FTDI SmartBasic is a variation on our classic FTDI Basic board which allows you to connect a second device to the hardware serial port...

    SF-DEV-12935

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    $41.29
  • ATmega328 with Arduino Optiboot (Uno)
    ATmega328 with Arduino Optiboot (Uno)
    $11.40

    ATmega328 with Arduino Optiboot (Uno)

    SparkFun

    The name says it all on this one. An ATmega328 in DIP package, pre-loaded with the Arduino Optiboot (Uno 16MHz) Bootloader. This will allow you to ...

    SF-DEV-10524

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    $11.40
  • Adventures in Arduino
    $46.04

    Adventures in Arduino

    Little Bird

    Arduino programming for the absolute beginner, with project-based learning Adventures in Arduino is the beginner's guide to Arduino programming, de...

    LB-00335

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    $46.04
  • TwentyTen (100% Arduino Compatible)
    TwentyTen (100% Arduino Compatible)
    $43.95

    TwentyTen (100% Arduino Compatible)

    Freetronics

    Note: The TwentyTen has now been superseded by the Eleven, which combines all the good features of the TwentyTen with an ATmega8u2 communications c...

    FT-TWENTYTEN

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    $43.95
  • SimpleBot Shield Kit
    SimpleBot Shield Kit
    $20.90

    SimpleBot Shield Kit

    Freetronics

    Ever wanted to build your own small robot? Maybe you're interested in NodeBots? The SimpleBot Shield is for you! The SimpleBot Shield kit is an Ar...

    FT-SBS

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    $20.90
  • Security Sensor Shield Kit for Arduino
    Security Sensor Shield Kit for Arduino
    $30.75

    Security Sensor Shield Kit for Arduino

    Freetronics

    Retired: This product has been replaced by the Security Sensor Shield. This shield allows up to 4 security sensors to be connected to an Arduino w...

    FT-SH-SECSENSE

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    $30.75
  • RFID Lock Shield Kit
    RFID Lock Shield Kit
    $32.95

    RFID Lock Shield Kit

    Freetronics

    This product has been retired. It has been replaced by the DLOCK Door Lock Shield: www.freetronics.com/dlock This shield allows your Arduino to co...

    FT-SH-RFIDLOCK

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    $32.95
  • ProtoShield Pro for Arduino
    ProtoShield Pro for Arduino
    $18.65

    ProtoShield Pro for Arduino

    Freetronics

    RetiredOur version v3.1 ProtoShield Pro is (we humbly believe!) the best Arduino prototyping shield ever designed. Not making any bold claims or an...

    FT-PSP

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    $18.65
  • N-Drive Shield
    N-Drive Shield
    $17.77

    N-Drive Shield

    Freetronics

    Directly control up to 6 separate high-power loads such as high-intensity LEDs, lamps, motors, and relays. Incorporates 6 N-channel MOSFETs, each c...

    FT-NSHIELD

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    $17.77
  • LeoStick (Arduino Compatible)
    LeoStick (Arduino Compatible)
    $28.60

    LeoStick (Arduino Compatible)

    Freetronics

    The LeoStick is designed to be functionally similar to the Arduino Leonardo, but given the "honey, I shrunk the kids" treatment!Just pop it into yo...

    FT-LEOSTICK

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    $28.60
  • LCD & Keypad Shield
    LCD & Keypad Shield
    $22.00

    LCD & Keypad Shield

    Freetronics

    The LCD and Keypad Shield gives you a handy 16-character by 2-line display, 5 buttons and a controllable backlight, plug it straight in on top of y...

    FT-LCDK

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    $22.00
  • KitTen (Arduino-compatible kit)
    KitTen (Arduino-compatible kit)
    $29.65

    KitTen (Arduino-compatible kit)

    Freetronics

    The KitTen is an Arduino compatible board supplied as a kit using through-hole parts for easy assembly. It may be easy to build, but it's still fu...

    FT-KITTEN

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    $29.65
  • 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