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2.2mm Simplex Plastic Fiber - Black Jacket 960/1000um (1m length)
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Price: $7.18
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Sparkfun Item #: CAB-17511 -

This fiber optic cable is our pick for creating inexpensive fiber links. It comprises a single 960µm PMMA core with a fluorinated polymer cladding that brings it to 1000µm, and finally a polyethylene jacket that measures 2.2mm in diameter. It is easily cut with a pair of sharp scissors. The cut end requires no polishing in most applications. When cutting the cable, make the cut as perpendicular to the end as possible to create a flat optical surface. There is no need to “strip” any part of the...

Argon ONE M.2 Raspberry Pi 4 Case
Price: $88.61
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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...

Fiber Duplex Breakout
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Price: $42.09
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Sparkfun Item #: SPX-17510 -

We designed the Fiber Duplex Board for creating simple fiber links to embedded devices. This board has the same pinout as our Serial Breakouts, so they will connect directly to the serial header of many dev boards such as the Arduino Pro or Pro Mini. To create a fiber link between two dev boards, simply connect the Fiber Duplex Breakout to each board, connect them with two pieces of fiber cable, and then use the Serial library to send and receive data as you normally would. This board also...

Get Started with MicroPython on Raspberry Pi Pico
Price: $27.43
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Sparkfun Item #: BOK-17835 -

The Raspberry Pi Pico represents a first look into the world of microcontrollers for some people and the world of MicroPython for others (sometimes both). Getting Started with MicroPython on the Raspberry Pi Pico is a beginner-friendly book outlining how to work with both the new Raspberry Pi Pico as well as MicroPython. With this book you'll learn how to work with the Raspberry Pi Pico and create programs that utilize the boards input and output pins to do things like control LEDs, write to...

GNSS Multi-Band L1/L2 Surveying Antenna (TNC) - TOP106
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Price: $253.48
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Sparkfun Item #: SPX-17751 -

The TOP106 from TOPGNSS is a GNSS/GPS antenna capable of receiving the L1/L2 bands for GPS, GLONASS, Galileo, and BeiDou constellations. These 'UFO' antennas have incredible performance for the money. The antenna has a built in ground plane with significant filtering and amplification of both L1 and L2 frequencies for all GPS, GLONASS, and BeiDou satellites. Excellent for surveying or fixed antenna applications. If you can handle the extra weight and size in your application, the TOP106 is the...

Interface Cable - SMA Male to TNC Male (300mm)
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Price: $20.99
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Sparkfun Item #: CAB-17833 -

This is a 300mm long Male TNC to Male SMA cable. This is an excellent cable for connecting one of our RTK development boards to a high quality 'UFO' style GNSS antenna. It's long enough to connect to a device located on a monopole or tripod without having too much extra cable. And if you need a longer cable we've got an SMA extension! Each cable has a nominal impedance of 50Ω with a cutoff frequency of 39GHz. If you are looking for a good antenna to pair this cable with, we recommend our GNSS...

Loomia 4-Wire Bus
Price: $50.64
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Sparkfun Item #: COM-17863 -

The straight Loomia 4-wire Bus has four leads that are each 0.15in wide. Each "wire" is low resistance, giving you fast data speed and solid wattage without heating up. Each bus is twistable, drapable, and bendable for all soft circuit needs. This bus can be easily soldered to the S-curve Bus or C-Curve Bus to make different shaped traces for wearable tech applications. Loomia parts are designed to be easily soldered together, and work well with popular micro controllers like Arduino Nano and...

Loomia 5V - 7.2V Heater
Price: $92.83
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Sparkfun Item #: COM-17858 -

The Loomia 5V - 7.2V Heater is made to work with an off the shelf, 5V battery pack or two lipo batteries in series (just make sure both can output 2A safely) and will get hotter depending on the voltage you use. The heater warms up quickly with tangible heat within 60 seconds and a top heat after 2 min. Use this component for heating wearables, or for thermochromic effects. Loomia parts are designed to be easily soldered together, and work well with popular micro controllers like Arduino Nano...

Loomia C-Curve Bus
Price: $50.64
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Sparkfun Item #: COM-17862 -

The C-Curve Bus is perfect for connecting two 0.15in buses together at a wide angle. Try using this part for creating conductive lines over shoulders or over large surface areas. Loomia parts are designed to be easily soldered together, and work well with popular micro controllers like Arduino Nano and Teensy. The system revolves around Loomia's custom interconnect, which allows for a simple connection between buses. The interconnect can be soldered to headers for easy breadboarding. From...

Loomia Double Backlit User Interface
Price: $92.83
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Sparkfun Item #: COM-17865 -

The Loomia Double Backlit User Interface is like the Single Backlit Button, but twice the fun! Use this part if you need to control something up and down, or right to left. Using cut-out vinyl, you can create icons and decals on fabric that show your users the button functionalities. Loomia parts are designed to be easily soldered together, and work well with popular micro controllers like Arduino Nano and Teensy. The system revolves around Loomia's custom interconnect, which allows for a...

Loomia Mega Pressure Matrix
Price: $48.53
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Sparkfun Item #: COM-17861 -

Like the Mini Pressure Sensor... but bigger! The Loomia Mega Pressure Matrix has six leads, allowing you to map which point you are at in the 3x3 matrix and get a pressure mapping over a surface. Each area has an analog readout that varies depending on the weight of the item on the pressure sensor. Generally, sensor values will read from 500K Ohms to 100 Ohms depending on the force put onto the sensor. Loomia parts are designed to be easily soldered together, and work well with popular micro...

Loomia Mini Pressure Matrix
Price: $48.53
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Sparkfun Item #: COM-17859 -

If you are looking to map pressure over a 1.25in area, this is the one. The Loomia Mini Pressure Matrix has six leads, allowing you to map which point you are at in the 3x3 matrix. Each area has an analog readout that varies depending on the weight of the item on the pressure sensor. Generally, sensor values will read from 500K Ohms to 100 Ohms depending on the force put onto the sensor. Loomia parts are designed to be easily soldered together, and work well with popular micro controllers like...

Loomia S-Curve Bus
Price: $50.64
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Sparkfun Item #: COM-17856 -

The Loomia S-Curve Bus is perfect for when you need to make an unusual geometry from the LEL (Loomia Electronic Layer) buses. You can combine two to make a big C-Curve to go around an elbow, or just use one to route wiring where you need it for soft robotics or for an installation. Loomia parts are designed to be easily soldered together, and work well with popular micro controllers like Arduino Nano and Teensy. The system revolves around Loomia's custom interconnect, which allows for a simple...

Loomia Serpentine Bus
Price: $50.64
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Sparkfun Item #: COM-17857 -

This Loomia Serpentine Bus has 0.15in traces making it compatible with the S-Curve and C-Curve buses. Use this bus for additional stretch as it has up to 20% elongation. We suggest this bus for wearable tech applications. Loomia parts are designed to be easily soldered together, and work well with popular micro controllers like Arduino Nano and Teensy. The system revolves around Loomia's custom interconnect, which allows for a simple connection between buses. The interconnect can be soldered...

Loomia Single Backlit Button
Price: $64.92
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Sparkfun Item #: COM-17864 -

The Loomia Single Backlit Button is a simple mechanical switch that comes with an LED inside. When you press the button, the circuit is completed, driving your pin high or low. Use the embedded LED to make a glowing power icon, logo, or whatever suits your fancy. Loomia parts are designed to be easily soldered together, and work well with popular micro controllers like Arduino Nano and Teensy. The system revolves around Loomia's custom interconnect, which allows for a simple connection between...

Loomia Single Pressure Sensor
Price: $48.53
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Sparkfun Item #: COM-17860 -

The Loomia Single Pressure Sensor gives you an analog read that maps to force on the sensor. The more you press, the lower the resistance goes, perfect for on-body pressure related sensing like ribcage expansion for breathing. This sensor is small but mighty, making it convenient for small surface area applications. Loomia parts are designed to be easily soldered together, and work well with popular micro controllers like Arduino Nano and Teensy. The system revolves around Loomia's custom...

Nebra Indoor HNT Hotspot Miner (915MHz)
Price: $608.59
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Sparkfun Item #: WRL-17843 -

Earn HNT cryptocurrency by mining and building coverage for The People’s Network using Nebra HNT Hotspot Miner. Anyone can join The People's Network and provide hundreds of square miles of wireless network coverage, while mining HNT on the Helium Blockchain just as Helium Hotspots do. The People's Network runs on Helium LongFi™, a technology architecture that combines a leading wireless technology, LoRaWAN, and the Helium Blockchain. LongFi™ is optimised for miles of range, and long battery...

Nebra Outdoor HNT Hotspot Miner (915MHz)
Price: $817.95
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Sparkfun Item #: WRL-17844 -

Earn HNT cryptocurrency by mining and building coverage for The People’s Network using Nebra HNT Hotspot Miner. Anyone can join The People's Network and provide hundreds of square miles of wireless network coverage, while mining HNT on the Helium Blockchain just as Helium Hotspots do. The People's Network runs on Helium LongFi™, a technology architecture that combines a leading wireless technology, LoRaWAN, and the Helium Blockchain. LongFi™ is optimized for miles of range, and long battery...

Qwiic Air Quality Sensor - SGP40
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Price: $31.54
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Sparkfun Item #: SPX-17729 -

The SparkFun SGP40 Air Quality Sensor provides a measurement of the quality of the air in your room or house. The Sensirion metal oxide (MOx) sensor features a temperature controlled micro hotplate and provides a humidity-compensated volatile organic compound (VOC) based indoor air quality signal. The VOC Algorithm in our Arduino Library automatically adapts to the environment the sensor is exposed to and translates the raw signal into a VOC Index as a robust measure for indoor air quality....

Qwiic Fuel Gauge - MAX17048
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Price: $12.55
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Sparkfun Item #: SPX-17715 -

Based on the MAX17048, the Qwiic Fuel Gauge is perfect for monitoring your single-cell LiPo. While the MAX17048 provides pack voltage, it really shines with its Statement of Charge (SOC). 3.83V is ok to know, but knowing your battery is at 73% capacity is considerably better. This is not a 'take the LiPo voltage curve and hack it into little voltage pieces' type of IC. The MAX17048 has a sophisticated algorithm that constantly monitors the pack giving much more accurate readings than a simple...

Raspberry Pi Pico
Price: $9.49
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Sparkfun Item #: DEV-17829 -

The Raspberry Pi Pico is a low-cost, high-performance microcontroller board with flexible digital interfaces. It feature the RP2040 which marks Raspberry Pi's first microcontroller designed in-house. Pico provides minimal (yet flexible) external circuitry to support the RP2040 chip (Flash, crystal, power supplies and decoupling and USB connector). The majority of the RP2040 microcontroller pins are brought to the user IO pins on the left and right edge of the board. Four RP2040 IO are used for...

Serial Fiber Modem
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Price: $52.64
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Sparkfun Item #: SPX-17508 -

The Serial Fiber Modem combines a CH340C USB-to-Serial bridge with a fiber receiver and emitter pair from Industrial Fiber Optics and it is the easiest way to start playing with fiber communication right out of the box. Simply insert a piece of fiber cable between the emitter and receiver, open a serial terminal at any baud rate up to 1Mbps, and watch your messages bounce back! Connect to another Serial Fiber Modem or use it in conjunction with our other Fiber Optics breakouts to create your...

SparkFun LoRa Thing Plus - expLoRaBLE
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Price: $81.06
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Sparkfun Item #: WRL-17506 -

The SparkFun expLoRaBLE Thing Plus is a Feather-footprint development board with the NM180100 system in package (SiP), from Northern Mechatronics. Thanks to the NM180100, as well as the Ambiq Apollo3 microcontroller and the Semtech SX1262 LoRa transceiver, this Thing Plus is a highly integrated LoRa® module supporting both 868MHz and 915MHz bands and Bluetooth® Low Energy. On top of all else, the expLoRaBLE Thing Plus utilizes our handy Qwiic Connect System which means no soldering or shields...

SparkFun MicroMod RP2040 Processor
Price: $21.10
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Sparkfun Item #: DEV-17720 -

The SparkFun MicroMod Pi RP2040 Processor Board is a low-cost, high-performance board with flexible digital interfaces featuring the Raspberry Pi Foundation's RP2040 microcontroller. With the MicroMod M.2 connector, connecting your MicroMod Pi RP2040 Processor Board is a breeze. Simply match up the key on your processor's beveled edge connector to the key on the M.2 connector and secure it with a screw (included with all Carrier Boards). The RP2040 utilizes dual ARM Cortex-M0+ processors (up...

SparkFun Pro Micro - RP2040
Price: $18.99
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Sparkfun Item #: DEV-17717 -

The SparkFun Pro Micro RP2040 is a low-cost, high performance board with flexible digital interfaces featuring the Raspberry Pi Foundation's RP2040 microcontroller. Besides the good 'ol Pro Micro footprint, the board also includes a WS2812B addressable LED, boot button, reset button, Qwiic connector, USB-C, resettable PTC fuse, and castellated pads. The RP2040 utilizes dual ARM Cortex-M0+ processors (up to 133MHz) and features: 264kB of embedded SRAM in six banks 6 dedicated IO for SPI Flash...

SparkFun Qwiic Soil Moisture Sensor
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Price: $13.79
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Sparkfun Item #: SEN-17731 -

The SparkFun Qwiic Soil Moisture Sensor is a simple breakout for measuring the moisture in soil and similar materials. The soil moisture sensor is pretty straightforward to use. The two large, exposed pads function as probes for the sensor, together acting as a variable resistor. The more water that is in the soil means the better the conductivity between the pads will be, resulting in a lower resistance and a higher SIG out. This version of the Soil Moisture Sensor includes a Qwiic connector,...

SparkFun Raspberry Pi 4 Basic Kit - Without Raspberry Pi
Price: $73.84
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Sparkfun Item #: KIT-17237 -

Do you have a Raspberry Pi 4 laying around or got one as a gift and would like to use it? This is the kit for you. Everything you would find in the regular kits but without a Raspberry Pi 4. Bring your own Pi 4! The Raspberry Pi 4 Basic Kit includes everything you'll need to get up and running with the Raspberry Pi 4. The Pi 4 moves to a MicroHDMI Connector for monitors and a USB Type C connector for powering the board. Inside the kit you will find a MicroHDMI to HDMI cable and USB Type C Wall...

SparkFun Raspberry Pi 4 Desktop Kit - Without Raspberry Pi
Price: $182.58
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Sparkfun Item #: KIT-17727 -

Do you have a Raspberry Pi 4 laying around or got one as a gift and would like to use it? This is the kit for you. Everything you would find in the regular kits but without a Raspberry Pi 4. Bring your own Pi 4! The SparkFun Raspberry Pi 4 Desktop Kit includes everything you need to turn any monitor with an HDMI port into a desktop PC. If you're looking to create a PC or Media Center with the Raspberry Pi 4, this is the kit for you. All the components were chosen and tested to create the...

SparkFun Raspberry Pi 4 Hardware Starter Kit - Without Raspberry Pi
Price: $162.29
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Sparkfun Item #: KIT-17726 -

Do you have a Raspberry Pi 4 laying around or got one as a gift and would like to use it? This is the kit for you. Everything you would find in the regular kits but without a Raspberry Pi 4. Bring your own Pi 4! The Raspberry Pi 4 Hardware Starter Kit provides a solid set of parts and instruction for working with the Raspberry Pi 4 in a more hardware-centric manner. While the Raspberry Pi isn't typically considered a go-to for hardware projects, its I/O pins hold a lot of benefits that you can...

SparkFun Thing Plus - RP2040
Price: $31.65
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Sparkfun Item #: DEV-17745 -

The SparkFun Thing Plus - RP2040 is a low-cost, high performance board with flexible digital interfaces featuring the Raspberry Pi Foundation's RP2040 microcontroller. Besides the Thing Plus or Feather footprint (with 18 GPIO pins), the board also includes an SD card slot, 16MB (128Mbit) flash memory, a JST single cell battery connector (with a charging circuit and fuel gauge sensor), an addressable WS2812 RGB LED, JTAG PTH pins, four (4-40 screw) mounting holes, and our signature Qwiic...

Wide Band 4G LTE Internal LoRa Antenna
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Price: $3.16
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Sparkfun Item #: WRL-17841 -

A Wide Band, 700-2700Mhz frequency range, 4G LTE antenna provides a wide enough range for a number of applications including BLE & LoRa/RF. This antenna is 53mm x 24mm with a 100mm length coaxial cable ending in an IPEX (u.FL equivalent) connector. The antenna has a 3M adhesive backing making it easy to fix it to your project. If you are looking for a board to use this antenna with, we highly recommend our SparkFun LoRa Thing Plus – expLoRaBLE board! Features: Frequency range:...