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Arduino Leonardo with Headers
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Price: $45.78
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Sparkfun Item #: DEV-11286 -

Arduino is an open-source physical computing platform based on a simple i/o board and a development environment that implements the Processing/Wiring language. Arduino can be used to develop stand-alone interactive objects or can be connected to software on your computer (e.g. Flash, Processing, MaxMSP). The open-source IDE can be downloaded for free (currently for Mac OS X, Windows, and Linux). Never fear for accidental electrical discharge, either since since the Leonardo also includes a...

Arduino Mega 2560 R3
Price: $80.49
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Sparkfun Item #: DEV-11061 -

Arduino is an open-source physical computing platform based on a simple i/o board and a development environment that implements the Processing/Wiring language. Arduino can be used to develop stand-alone interactive objects or can be connected to software on your computer (e.g. Flash, Processing, MaxMSP). The open-source IDE can be downloaded for free (currently for Mac OS X, Windows, and Linux). The Arduino Mega is a microcontroller board based on the ATmega2560. It has 54 digital input/output...

Arduino MKR IoT Bundle
Price: $171.77
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Sparkfun Item #: DEV-15261 -

The Arduino MKR IoT Bundle is a starter pack for those looking to get into connected devices or the Internet of Things. The kit contains all the parts and instructions for 5 projects along with many common parts useful for other projects as well. The kit is based around the MKR1000 - a powerful board that combines the functionality of the Zero and the Wi-Fi Shield—and enables Makers to add connectivity to their designs with minimal prior networking experience. Note: Please note, don't connect...

Arduino MKR Vidor 4000
Price: $157.10
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Sparkfun Item #: DEV-14870 -

Looking for a board for a very specific use that Arduino doesn’t make? Or maybe you want a more complex central board, optimized for your particular needs that will interface with all other Arduino boards and devices. The MKR Vidor 4000 is highly configurable and powerful, and it can perform high-speed digital audio and video processing. With the MKR Vidor 4000 you can configure it the way you want; you can essentially create your own controller board. It comes loaded with hardware and...

Arduino MKR1000
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Price: $67.58
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Sparkfun Item #: DEV-14394 -

The Arduino MKR1000 is a powerful board that combines the functionality of an Arduino Zero and a handy WiFi shield. This thin board has been designed to offer a practical and cost-effective solution for makers wanting to design IoT projects with minimal previous experience in networking. It is based on the Atmel® ATSAMW25 SoC (System on Chip), that is part of the SmartConnect family of Atmel wireless devices specifically designed for Internet of Things (IoT). The MKR1000 design includes a LiPo...

Arduino MKR1000 (with Headers)
Price: $69.76
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Sparkfun Item #: DEV-14393 -

The Arduino MKR1000 is a powerful board that combines the functionality of an Arduino Zero and a handy WiFi shield. This thin board has been designed to offer a practical and cost-effective solution for makers wanting to design IoT projects with minimal previous experience in networking. It is based on the Atmel® ATSAMW25 SoC (System on Chip), which is part of the SmartConnect family of Atmel wireless devices specifically designed for Internet of Things (IoT). The MKR1000 design includes a...

Arduino Nano 33 BLE
Price: $52.21
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Sparkfun Item #: DEV-15588 -

Designed for short range BT interactions and power savvy projects. This compact and reliable NANO board is built around the NINA B306 module, based on Nordic nRF 52840 and containing a powerful Cortex M4F. Its architecture, fully compatible with Arduino IDE Online and Offline, has a 9 axis Inertial Measurement Unit (IMU) and a reduced power consumption compared to other same size boards. This allows the design of wearable devices and movement sensing projects that need to communicate to other...

Arduino Nano 33 BLE Sense
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Price: $87.09
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Sparkfun Item #: DEV-15580 -

Small, powerful, BT connected and with all the sensors you may need to design innovative applications. The Arduino Nano 33 BLE Sense is an evolution of the traditional Arduino Nano, but featuring a lot more powerful processor, the nRF52840 from Nordic Semiconductors, a 32-bit ARM® Cortex™-M4 CPU running at 64 MHz. This will allow you to make larger programs than with the Arduino Uno (it has 1MB of program memory, 32 times bigger), and with a lot more variables (the RAM is 128 times bigger)....

Arduino Nano 33 BLE Sense with Headers
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Price: $74.01
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Sparkfun Item #: DEV-17048 -

Small, powerful, BT connected and with all the sensors you may need to design innovative applications. The Arduino Nano 33 BLE Sense is an evolution of the traditional Arduino Nano, but featuring a lot more powerful processor, the nRF52840 from Nordic Semiconductors, a 32-bit ARM® Cortex™-M4 CPU running at 64 MHz. This will allow you to make larger programs than with the Arduino Uno (it has 1MB of program memory, 32 times bigger), and with a lot more variables (the RAM is 128 times bigger)....

Arduino Nano 33 IoT with Headers
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Price: $54.39
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Sparkfun Item #: 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 has WiFi and Bluetooth connectivity that combined with its low power architecture makes it a practical and cost effective solution for your connected projects. Arduino Nanof 33 IoT is fully compatible with the Arduino IoT Cloud and supports full TLS secure transport: the ATECC608A cryptochip stores the cryptographic keys in hardware, offering a very high level of security...

Arduino Nano Every
Price: $32.59
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Sparkfun Item #: DEV-15590 -

Turn your ideas into a reality quickly with the new Arduino Nano Every This small, robust and powerful board has the same classic Nano footprint loved worldwide. It can be programmed with the easy to use Arduino IDE available offline and online. Get started in minutes with thousands of sketches available in open-source or write your own: it is the perfect choice for your everyday projects. The size of Arduino Nano Every makes it ideal for wearable projects; in experiments, in prototypes or in...

Arduino Nano Stackable Header Kit
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Price: $2.52
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Sparkfun Item #: PRT-16279 -

These stackable headers are made to work with the SparkFun Qwiic Shield for Arduino Nano or any comparable shield to connect the shield with a Arduino Nano footprint. This set includes two 15-pin headers; the pins are spaced by 0.1". Each set of headers allows you to stack a Qwiic Nano shield on top of your Arduino Nano or plug them into a solderless breadboard. Note: Soldering is required for functionality and physical attachment to a shield or board. Includes: 2x 15-pin Female Header...

Arduino Pro 328 - 3.3V/8MHz
Price: $28.27
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Sparkfun Item #: 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 the 8MHz bootloader. Because the system voltage for this board is lower than other Arduino development boards, it may not be compatible with many Arduino shields which were designed to run at 5V. The Arduino Pro 3.3V still works great with our prototyping shield so you can create your own 3.3V shields. The lower system voltage also has its advantages, like ease of use...

Arduino Pro 328 - 5V/16MHz
Price: $26.60
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Sparkfun Item #: 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 16MHz bootloader in a super-sleek form factor that will fit easily into your next small project. Arduino Pro does not come with connectors populated so that you can solder in any connector or wire with any orientation you need. We recommend first time Arduino users start with the Uno R3. It's a great board that will get you up and running quickly. The Arduino Pro series...

Arduino Pro Mini 328 - 3.3V/8MHz
Price: $17.78
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Sparkfun Item #: DEV-11114 -

It's blue! It's thin! It's the Arduino Pro Mini! SparkFun's minimal design approach to Arduino. This is a 3.3V Arduino running the 8MHz bootloader. Arduino Pro Mini does not come with connectors populated so that you can solder in any connector or wire with any orientation you need. We recommend first time Arduino users start with the Uno R3. It's a great board that will get you up and running quickly. The Arduino Pro series is meant for users that understand the limitations of system voltage...

Arduino Pro Mini 328 - 5V/16MHz
Price: $17.96
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Sparkfun Item #: DEV-11113 -

It's blue! It's thin! It's the Arduino Pro Mini! SparkFun's minimal design approach to Arduino. This is a 5V Arduino running the 16MHz bootloader. Arduino Pro Mini does not come with connectors populated so that you can solder in any connector or wire with any orientation you need. We recommend first time Arduino users start with the Uno R3. It's a great board that will get you up and running quickly. The Arduino Pro series is meant for users that understand the limitations of system voltage...

Arduino Shield for Raspberry Pi B+/2B/3B
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Price: $34.30
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DFRobot Item #: DFR0327 -

What's the difference between Raspberry Pi and Arduino?We all know Raspberry Pi is a mini-computer running on Linux operating system; while Arduino is a microcontroller running on simple I/Os. Both of them focuses on very different areas. Compared with Arduino, the Pi gets much better computing performance.So What happens when a Raspberry Pi meets an Arduino?A simple example would be, when building a mobile robot, we use the Raspberry Pi to extend its vision and get a nice tiny monitor....

Arduino Stackable Header - 10 Pin
Price: $1.00
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Sparkfun Item #: PRT-11376 -

This is a 10-pin female header, with extra long legs -- great for stacking R3-compatible Arduino shields! Pins are spaced by 0.1". Documents: Datasheet

Arduino Stackable Header - 6 Pin
Price: $0.91
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Sparkfun Item #: PRT-09280 -

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

Arduino Stackable Header - 8 Pin
Price: $1.06
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Sparkfun Item #: PRT-09279 -

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

Arduino Stackable Header Kit
Price: $2.71
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Sparkfun Item #: PRT-10007 -

These headers are made to work with the Arduino Main Board, Arduino Pro, and the Arduino Mega. They are the perfect height for clearing the USB-B connector and great for stacking multiple shields. This kit includes 4 headers (2 8-pin and 2 6-pin), enough to connect a shield to an Arduino Main Board. These are the same headers we use in our tutorials and with our own shields. Note: If you have a board that uses the Arduino R3 architecture which include the OREF, SCL, and SDA pins they can be...

Arduino Stackable Header Kit - R3
Price: $2.68
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Sparkfun Item #: PRT-11417 -

These headers are made to work with the Arduino Uno R3, Leonardo and new Arduino boards going forward. They are the perfect height for clearing the USB-B connector and great for stacking multiple shields. This kit includes 4 headers (2 8-pin, 1 10-pin and 1 6-pin), enough to connect a shield to an Arduino board. These are the same headers we use in our tutorials and with our own shields. Note: If you have a board that does not use the Arduino R3 architecture which include the OREF, SCL, and...

Arduino Tian
Price: $181.63
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Sparkfun Item #: DEV-14135 -

"The Arduino Tian unleashes the power of a small computer running Linux, connected to a 32-bit microcontroller. The Tian is the next logical iteration of the Arduino Yun, upgrading both the microcontroller and microprocessor, and even featuring onboard Bluetooth 4.0! The Arduino Tian is an amazing way to incorporate the ease of Arduino into your next IoT project. The Arduino Tian board is powered by Atmel’s SAMD21 MCU, featuring a 32-bit ARM Cortex® M0+ core and a Qualcomm Atheros...

Arduino Uno - R3
Price: $49.66
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Sparkfun Item #: DEV-11021 -

This is the new Arduino Uno R3. In addition to all the features of the previous board, the Uno now uses an ATmega16U2 instead of the 8U2 found on the Uno (or the FTDI found on previous generations). This allows for faster transfer rates and more memory. No drivers needed for Linux or Mac (inf file for Windows is needed and included in the Arduino IDE), and the ability to have the Uno show up as a keyboard, mouse, joystick, etc. Never fear for accidental electrical discharge, either since since...

Arduino Uno - R3 SMD
Price: $50.69
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Sparkfun Item #: 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 of the 8U2 found on the Uno (or the FTDI found on previous generations). This allows for faster transfer rates and more memory. No drivers needed for Linux or Mac (inf file for Windows is needed and included in the Arduino IDE), and the ability to have the Uno show up as a keyboard, mouse, joystick, etc. Never fear for accidental electrical discharge, either since since...

Arduino Uno Enclosure - Clear Plastic
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Price: $13.33
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Sparkfun Item #: PRT-12838 -

The Arduino Uno is the undisputed champion of all development boards, why would you not want to keep your board safe and sound inside this clear plastic enclosure? These cases protect your Arduino Uno from things like rogue wires that might short it out while still allowing full access to the board! Simply snap the Uno into the bottom half of the enclosure, then snap the two sides together. As you may have noticed, these enclosures are actually transparent. The enclosures are perfect for...

Arduino Uno Rev 3
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Price: $41.20
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DFRobot Item #: DFR0181 -

This is the new Arduino Uno Rev 3. In addition to all the features of the previous board, the arduino Uno Rev 3 now uses an ATmega16U2 instead of the 8U2 found on the Uno (or the FTDI found on previous generations). This allows for faster transfer rates and more memory. No drivers needed for Linux or Mac (inf file for Windows is needed and included in the Arduino IDE), and the ability to have the Uno show up as a keyboard, mouse, joystick, etc. The arduino Uno R3 also adds SDA and SCL pins...

Arduino Uno WiFi R2
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Price: $97.88
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Sparkfun Item #: DEV-14871 -

Add this board to a device and you'll be able to connect it to a WiFi network, using its secure ECC608 crypto chip accelerator. The Arduino Uno WiFi is functionally the same as the Arduino Uno Rev3, but with the addition of WiFi and some other enhancements. It incorporates a brand new 8-bit microprocessor from Microchip and has an onboard IMU (Inertial Measurement Unit). The Wi-Fi Module is a self-contained SoC with integrated TCP/IP protocol stack that can provide access to a Wi-Fi network,...

Arduino Workshop
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Price: $54.50
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Sparkfun Item #: BOK-11932 -

The Arduino is a cheap, flexible, open source microcontroller platform designed to make it easy for hobbyists to use electronics in homemade projects. With an almost unlimited range of input and output add-ons, sensors, indicators, displays, motors, and more, the Arduino offers you countless ways to create devices that interact with the world around you. Arduino Workshop, you'll learn how these add-ons work and how to integrate them into your own projects. You'll start off with an overview of...

Arduino Yun
Price: $156.41
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Sparkfun Item #: DEV-12053 -

"Arduino is an open-source physical computing platform based on a simple i/o board and a development environment that implements the Processing/Wiring language. Arduino can be used to develop stand-alone interactive objects or can be connected to software on your computer (e.g. Flash, Processing, MaxMSP). The open-source IDE can be downloaded for free (currently for Mac OS X, Windows, and Linux). Arduino Yun is the first member of a new groundbreaking line of WiFi products combining the power...

Arduino Zero to Hero Kit
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Price: $194.24
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DFRobot Item #: KIT0133 -

Open-source, plug & play electronics toolkit for learning Arduino platform Online course created by Sanjin Dedi?Welcome to the world of electronics and programming!DFRobot proudly presents the Arduino Zero to Hero E-learning Kit which comes complete with an online course created by a well-known Australian Robotics Engineer and Teacher: Sanjin Dedi?. The online course is perfect for ambitious beginners and intermediate Arduino users trying to take their circuitry and programming to the next...

Argon NEO Raspberry Pi 4 Case
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Price: $30.52
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Sparkfun Item #: PRT-17161 -

This is probably one of the best, basic Raspberry Pi 4 cases you'll find. The Argon NEO Raspberry Pi 4 Case is a plastic and aluminum enclosure that properly protects and cools your Raspberry Pi 4 without obstructing access to the I/O ports on board. A plastic base protects any surface you place the enclosure on from scratches. The middle section is an aluminum shield that goes over top the connectors and board itself. it has extrusions that provide passive cooling for the hottest components...

Argon ONE M.2 Raspberry Pi 4 Case
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Price: $91.56
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Sparkfun Item #: PRT-17752 -

The Argon ONE M.2 case features all the high-end features of the Argon ONE Raspberry Pi case but with the added feature of an M.2 interface for using M.2 (Key-B or Key-B&M) SATA solid state drives (not included). It also includes some updates over the previous generation of the Argon ONE case including full-sized HDMI ports, power management modes, and built in IR support for using the Pi with remotes. Unfortunately the M.2 SATA support does come at the expense of the USB 3 ports, but offers a...

Argon ONE Raspberry Pi 4 Case
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Price: $52.32
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Sparkfun Item #: PRT-17157 -

If you're looking for a fully-featured Raspberry Pi 4 case, then look no further than the Argon ONE Pi 4 Raspberry Pi Case. In addition to providing passive and active cooling to keep the Pi 4 running cool, it incorporates multiple pieces to allow for access to different levels of the board like a magnetic dedicated door for the 40 pin connector that provides pin numbers and labels. An included fan HAT provides software controllable, active cooling while the aluminum enclosure provides passive...

Argon POLY+ Raspberry Pi 4 Case
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Price: $11.32
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Sparkfun Item #: PRT-17162 -

A basic case with some not so basic features. The Argon POLY+ Raspberry Pi 4 Case uses a three piece snap-fit plastic design to protect your Pi 4 in a cost-effective way. The case has a two step cover similar to that of the Argon NEO which provides covered protection for the board while leaving the I/O ports accessible and includes a top cover which covers all but leaves room for most HATs and PHATs to sit inside. Also included is a heat sink for the processor and thermal tape to attach it. We...

Argon40 Fan HAT for Raspberry Pi 4, 3B, and 3B+
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Price: $19.62
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Sparkfun Item #: DEV-17163 -

The Argon40 Fan HAT for the Raspberry Pi Model B boards is a great way to cool your board during more intensive applications. This software controlled fan comes in a typical HAT configuration and plugs right into the 40-pin I/O header on the Raspberry Pi. It will work with the 4, 3B, and 3B+ and fits in all the Argon40 cases we sell (It comes built into the Argon ONE, so no need to buy it if that's the case you're using. For quieter cooling, check out our line of heatsink cases or the Argon...

ARGOS Omnidirectional Antenna - 401MHz
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Price: $15.15
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Sparkfun Item #: WRL-17523 -

Designed for transmit and receive at 401MHz, this quarter-wave antenna is the perfect partner for our ARGOS ARTIC R2 satellite communication breakout board. It is made from RG178 coaxial cable and has an effective length of 183mm. It is equipped with an MHF IPEX connector, which is compatible with u.FL. It is lightweight too, weighing in at only 0.4 grams, 0.014 oz. Features: Quarter wave wire antenna (omnidirectional) Frequency: 401MHz Effective length: 183mm Total length: 192mm Material:...

ARGOS Satellite Transceiver Shield - ARTIC R2
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Price: $335.37
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Sparkfun Item #: SPX-17236 -

Is your project linked to environmental protection, awareness or study, or to protecting human life? Perhaps you are developing a wildlife tracker, ocean buoy, environmental monitoring system or need to transfer emergency medical information? Do you need to be able to transmit and receive data anywhere? If so, this is the product for you! Our ARGOS Satellite Transceiver Shield allows you to send and receive short bursts of data via the ARGOS satellite network, anywhere on Earth including the...

Artemis Global Tracker
Price: $704.19
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Sparkfun Item #: SPX-16469 -

Could this be the one tracker to rule them all? Incorporating the Artemis Module, Iridium 9603N Short Burst Data modem, u-blox ZOE-M8Q GNSS receiver, and a TE MS8607 PHT sensor, this compact tracker will allow you to do an incredible number of things that used to be very difficult. With a clear view of the sky, the Artemis Global Tracker (AGT) allows you to send and receive short data messages. It works anywhere in the world, including the polar regions, far beyond the reach of WiFi and GSM...

ATmega128RFA1 Development Board
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Price: $52.50
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Sparkfun Item #: DEV-11197 -

"The ATmega128RFA1 is a portmanteau of sorts – two separate components combined to form one device; half microcontroller, half RF transciever. ATmega128RFA1 is an IEEE 802.15.4 compliant single-chip, combining the industry- leading AVR microcontroller and best-in-class 2.4GHz RF transceiver providing industry’s highest RF performance for single-chip devices, with a link budget of 103.5dBm. The ATmega128RFA1 features Wake-on Radio, 32-bit MAC symbol counter, temperature sensor,...

ATmega328 - TQFP
Price: $7.13
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Sparkfun Item #: COM-13448 -

This is Atmel's high performance, low power 8-bit AVR ATMega328 microcontroller in a pint-sized TQFP package. Yes, you really can solder that. Note: There is no difference between this part and its previous version. This new copy was created to help make our in house assemblies easier to produce and manage. Features: 1.8-5.5V operating range Up to 20MHz Part: ATMEGA328P-AU 32kB Flash program memory 1kB EEPROM 2kB Internal SRAM 2 8-bit Timer/Counters 1 16-bit Timer/Counter RTC with separate...

ATmega328 Chip with Arduino Bootloader
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Price: $9.48
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DFRobot Item #: DFR0081 -

The name says it all on this one. An ATmega328 in DIP package, pre-loaded with the Arduino (16MHz) Bootloader. This will allow you to use Arduino code in your custom embedded project without having to use an actual Arduino board.To get this chip working with Arduino IDE, you will need an external 16MHz crystal or resonator, a 5V supply, and a serial connection. If you are not comfortable doing this, we recommend purchasing the Arduino Duemilanove board that has all of these built into the...

ATmega328 with Arduino Optiboot (Atmega328)
Price: $6.35
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Elecrow Item #: EL-AAM328AT -

    This is a ATmega328 IC in DIP package, pre-loaded with the Arduino Optiboot (Atmega328 16MHz) Bootloader. This will allow you to use Arduino code in your custom embedded project without having to use an actual Arduino board.     To get this chip works, you will need an external 16MHz crystal or resonator, and a 5V power supply to create the minimum Arduino system. If you are not comfortable doing this, we recommend you purchasing the Crowduino board...

ATmega328 with Arduino Optiboot (Uno)
Price: $9.94
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Sparkfun Item #: DEV-10524 -

The name says it all on this one. An ATmega328P in DIP package, pre-loaded with the Arduino Optiboot (Uno 16MHz) Bootloader. This will allow you to use Arduino code in your custom embedded project without having to use an actual Arduino board. To get this chip working with Arduino IDE, you will need an external 16MHz crystal or resonator, a 5V supply, and a serial connection. If you are not comfortable doing this, we recommend purchasing the Arduino Uno board that has all of these built into...

ATMEGA328P-AU
Price: $5.84
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Elecrow Item #: EL-DTA00525C -

ATMEGA328P-AU is a high-performance, low-power consumption 8 bit microcontroller, and its core controller is AVR. It has 32KB of flash memory, and if the chip is power down, the data can still be retained.The architecture of the chip is advanced RISC, and can reset by power the chip. The number of digital-to-analog converters is eight and it has 23 input/output line. There are three types of chip interfaces: I2C,SPI and USART. The chip has an internally calibrated oscillator and has six sleep...

Atomic Clock
Price: $4,014.44
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Sparkfun Item #: SPX-14830 -

The Miniature Atomic Clock (MAC) from Microsemi uses a rubidium laser to output an extremely accurate clock. We're speaking at the edge of our knowledge so please bear with us but the short-term stability (Allan Deviation) is ≤8*10-12. From Wikipedia on Atomic Clocks: For context, a femtosecond (1×10−15 s) is to a second what a second is to about 31.71 million (31.71×106) years and an attosecond (1×10−18 s) is to a second what a second is to about 31.71 billion (31.71×109) years. That puts the...

Attachment Blocks - 12 pack
Price: $17.42
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Sparkfun Item #: ROB-12531 -

These aluminum attachment blocks make it possible to connect two flat panels at a 90° angle. These blocks come in packs of 12 and each offers two 6-32 tapped holes 0.32" deep for your mounting applications. Documents: SketchUp Part Product Page (585400) ...

Atto84 with Arduino Bootloader
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Price: $12.97
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Sparkfun Item #: SPX-14804 -

Arduino and Arduino compatible dev boards are an awesome tool for developing an idea quickly but, being development boards, they're often a little more bulky and full featured than you really need. Having a USB interface and a bootloader is so nice, though, so we put together the bare minimum Arduino compatible breakout for integration into your small projects. We call it the Atto84. The Atto84 is essentially a breakout board for the absolutely minute WQFN ATtiny84, but we've done some work to...