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Here are the main SparkFun options found—ranging from beginner kits to MicroMod/Qwiic boards and sensors.
Starter kits (best if you want a complete learning bundle)
- SparkFun Inventor's Kit - v4.1.2 ($196.35) — all-in-one electronics kit; v4.1.2 mainly updates the carrying case vs v4.1.
- Inventor's Kit for MicroPython - KIT-29326 ($238.60) — beginner-friendly kit focused on MicroPython projects, progressing from basics to more advanced builds.
Wireless / IoT dev boards
- SparkFun Thing Plus - ESP32 WROOM (USB-C) ($72.73) — ESP32-WROOM, Wi‑Fi + Bluetooth, USB‑C, Feather-compatible Thing Plus form factor.
- Thing Plus RP2350 Wireless Development Board ($63.02) — built around Raspberry Pi RP2350, geared for connected/battery IoT builds with the Thing Plus ecosystem.
- Thing Plus RP2350 Wireless Development Board (Ding & Dent) ($67.91) — Ding & Dent variant of the RP2350 Thing Plus platform.
Qwiic / sensor & interface modules (I2C/Qwiic-friendly add-ons)
- LIS3DH Triple Axis Accelerometer Breakout (Qwiic) ($8.81) — 3‑axis accelerometer breakout with Qwiic.
- SparkFun Micro 6DoF IMU Breakout - LSM6DSV16X (Qwiic) ($50.08) — 6‑axis IMU (accelerometer + gyro) with Qwiic.
- Qwiic Directional Pad (PRT-26851) ($14.73) — 5‑way navigation input over I2C/Qwiic.
- Qwiic Alphanumeric Display - Pink ($20.60) — 14‑segment alphanumeric display via Qwiic.
- Qwiic MultiStar Constellation Ornament ($10.74) — Qwiic hub that adds 4 extra Qwiic ports.
Power / expansion / carrier boards
- Ideal Diode Breakout ($10.96) — power-path help for hot swaps/one-way voltage control.
- MicroMod STM32F405 Processor Board ($43.04) — STM32F405 (Cortex‑M4) on a swappable MicroMod M.2-style module.
- MicroMod Asset Tracker Carrier Board - SARA-R510AWS ($267.25) — LTE‑M carrier built around u-blox SARA-R510AWS with AWS IoT ExpressLink.
- Ethernet Adapter for Teensy 4.1 ($9.45) — adds wired Ethernet capability for Teensy 4.1 projects.
- AgXRP Pump & Soil Moisture Sensor Expansion Pack (Beta) ($87.63) — expansion pack for AgXRP adding an additional pump + soil moisture zone.
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Showing 61-80 of 1992 products · 313 unavailable products hidden
SparkFun QwiicBus - MidPoint
The SparkFun QwiicBus MidPoint extends the range of your I2C bus using differential signaling over standard Ethernet cables. Based on the NXP PCA9615 IC, it converts I2C signals (SCL and SDA) into four differential signals, enabling reliable communication over distances up to 100 feet (30 m) whil...
SparkFun RS232 Shifter - SMD
The smallest and easiest to use serial conversion circuit on the market! This board has one purpose in life - to convert RS232 to TTL and vice versa (TX and RX). This will allow a microcontroller to communicate with a computer. Shifter SMD is powered from the target application and can run at any...
SparkFun Thing Plus - RP2040
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...
SparkFun microB USB Breakout
Add a Micro-B USB connector to your project without the hassle of soldering tiny SMD pads. This compact breakout board routes all five pins — VCC, GND, ID, D−, and D+ — to a standard 0.1" pitch header for easy breadboard or through-hole connection. Specifications Connector – Micro-B USB Pins ...
SparkFun PCB Ruler - 12 Inch
One ruler to rule them all. This is a basic 12 inch ruler, but made from a PCB. We have included a lots of useful information on each side of the ruler that you might use on a daily basis including Wire Gauge holes, transistor diagrams, common fractions, Roman numerals, and metric to imperial con...
SparkFun Ardumoto Shield Kit
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 your Arduino device set up to control a simple two-motor-circuit buddy? The SparkFun Ardumoto Shield Kit is perfect for any robot enthusiast and includes an Ardumoto Shield, ...
SparkFun Micro OLED Breakout
The SparkFun Micro OLED Breakout Board breaks out a small monochrome, blue-on-black OLED. It’s “micro”, but it still packs a punch – the OLED display is crisp, and you can fit a deceivingly large amount of graphics on there. This breakout is perfect for adding graphics to your next Arduino projec...
SparkFun Line Follower Array
The SparkFun Line Follower Array is a long board consisting of eight IR sensors that have been configured to read as digital bits! We have designed the SparkFun Line Follower Arrays to follow a dark line of about ¾ inch width or smaller (spray paint or electrical tape) on a light background. Each...
SparkFun Thing Plus - SAMD51
The SparkFun Thing Plus SAMD51 is a development board built around the ATSAMD51J20 — a 32-bit ARM Cortex-M4F microcontroller with floating point unit, running at up to 120 MHz. It offers substantial processing power in a compact, Feather-compatible form factor. The board includes a Qwiic connect...
SparkFun ESP32 Qwiic Pro Mini
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Say hello to the next generation of Pro Mini boards - the SparkFun ESP32 Qwiic Pro Mini houses the powerful ESP32-PICO-MINI-N8R2 from Espressif on our compact Pro Mini footprint with 2MB of PSRAM. With two individually controllable CPU cores, adjustable CPU clock frequency, a co-processor that ca...
SparkFun GS407 Breakout Board
This is a breakout board to allow simple access to the tightly pitched pins on the GS406 and GS407 GPS units. This board breaks out all of the necessary pins to a row of standard 0.1" spaced header to allow for easy bread boarding and simple connection. Note: TXO and RXI are labeled according to ...
SparkFun MicroMod Update Tool
The SparkFun MicroMod Update Tool is built to interface with the MicroMod Asset Tracker Carrier Board and also makes it simple to communicate directly with the u-blox SARA-R510M8S module using u-blox’s sophisticated m-center cellular evaluation software. If you’re familiar with u-center, u-blox’s...
SparkFun AST-CAN485 Dev Board
The SparkFun AST-CAN485 Dev Board is a miniature Arduino in the compact form factor of the Pro Mini. In addition to all the usual features that a mini Arduino has, it possesses an onboard CAN (Control Area Network) and RS485 ports, enabling quick and easy interfacing to a multitude of indust...
SparkFun XBee Explorer Dongle
This is the SparkFun XBee Explorer Dongle unit for the Digi XBee module line. With the XBee Explorer Dongle you can plug the unit directly into your USB port and have it act as a gateway between your computer and the XBee. No cables needed! This unit works with all XBee modules including the Seri...
SparkFun SAMD21 Mini Breakout
If you’re ready to step your Arduino game up from older 8-bit/16MHz microcontrollers, the SparkFun SAMD21 Mini Breakout is a great landing spot. The SAMD21 Mini Breakout is a Pro Mini-sized breakout for the Atmel ATSAMD21G18, a 32-bit ARM Cortex-M0+ processor with 256KB flash, 32KB SRAM, and an o...
SparkFun Soil Moisture Sensor
The SparkFun Soil Moisture Sensor is a simple breakout for measuring the moisture in soil and similar materials. The soil moisture sensor is pretty straight forward to use. The two large exposed pads function as probes for the sensor, together acting as a variable resistor. The more water that is...
SparkFun Snappable Protoboard
A large prototyping PCB with v-scored lines that let you snap it to any custom size. The 50 × 25 solder point array provides up to 1250 plated through-hole (PTH) pins on a 2.54 mm (0.1″) pitch grid. Simply snap along the scored lines to create the exact board dimensions your project requires. Ke...
SparkFun Buck-Boost Converter
The SparkFun Buck-Boost Converter is a handy power accessory board that allows you to fine tune the amount of power your project receives. This converter can take an input voltage of anywhere from 3-16V which can then be regulated to an output voltage between 2.5-9V. With the switch on the bottom...
SparkFun Pro Micro - ESP32-C3
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Don't be fooled by its miniature size; the SparkFun Pro Micro ESP32-C3 packs a punch. This micro marvel crams the powerful ESP32-C3, a single-core RISC-V powerhouse with 400KB of SRAM, into a compact 1.3in. x 0.7in. board. Clocking in at 160MHz, it's ready to tackle your projects quickly and effi...
SparkFun XBee Explorer Serial
The SparkFun XBee Explorer Serial is an RS232 serial base unit for configuring and communicating with XBee modules. Compatible with all XBee modules including Series 1, Series 2.5, standard, and Pro versions. Simply plug in an XBee module, connect an RS232 cable, and gain direct access to the ser...