Best Sparkfun in 2026

Looking to learn to program? Starter Kit to Learn compatible with Arduino IDE platform programming. No previous programming or electronics experience required

Includes the SparkFun RedBoard Qwiic compatible with Arduino. All parts are usable for your own projects once you complete the kit. Let your imagination run after completing the basics.

Includes Full-color, Spiral-bound SIK Guidebook. Never lose your page or fight to keep the book open. Easy to follow instructions guide you through 5 overarching projects.

Includes 10 cables of various lengths and styles that will get your Qwiic boards connected together.

Each Qwiic Cable's wires have been color coded to red, black, blue and yellow with 1mm JST termination.

Includes: 3x Qwiic Cable - 50mm, 3x Qwiic Cable - 100mm, 1x Qwiic Cable - 200mm, 1x Qwiic Cable - 500mm.

ATmega328 running at 16MHz with external resonator (0.5% tolerance)

No USB connection off board. Need FTDI board (or similar device) to program.

Supports auto-reset

LMV324. This board is compatible with Arduino products as well as other products.

Board has Mic and pre-amp, peak detector, Buffer amplifier and schmitt trigger

The Sound Detector is a small board that combines a microphone and some processing circuitry.

Small Compatible with Arduino board. Includes Reset button, 9x 10-bit ADC pins. 12x Digital I/Os (5 are PWM capable). Note: Board only. Additional accessories will be required.

Improved version of the SparkFun Pro Micro. ATmega32U4 running at 5V/16MHz Supported under Arduino IDE v1.0.1+

On-Board USB-C connector for programming. AP2112 3.3V Voltage Regulator. PTH Pads w/ Castellated Edges

CH340G USB IC from WCH

Works with 5V and 3.3V systems

Should auto install on most operating systems without the need for additional drivers

Save space by using this genuine FTDI FT232RL USB to serial IC breakout to program your microcontroller

Has TX and RX LEDs that allow you to see serial traffic on the LEDs to verify the board is working

Designed to decrease the cost of (Arduino-compatible) development and increase ease of use. Includes auto-reset feature

Kit represents the three core components of weather measurement: wind speed, wind direction and rainfall.

It uses sealed magnetic reed switches and magnets so you'll need to source a voltage to take any measurements.

All of the sensors in the weather meter kit are passive components. This means you will need a voltage source in order to measure anything with them.

ATmega328 microcontroller with Optiboot (UNO) Bootloader. Rev3 shield compatible.

Program with a USB Micro-B cable using the Arduino IDE platform: Plug in the board, select “Arduino UNO” and you’re ready to upload code

Hardware peripherals you know and love: 20 Digital I/O pins with 6 PWM pins, 6 Analog Inputs, UART, SPI and external interrupts

ATmega328 microcontroller with Optiboot (UNO) Bootloader. Compatible with Arduino IDE. R3 shield compatible.

USB Programming Facilitated by the Ubiquitous FTDI FT232RL

All SMD Construction

CH340G USB IC from WCH

Works with 5V and 3.3V systems

Should auto install on most operating systems without the need for additional drivers

16-Channel Analog/Digital Multiplexer/Demultiplexer CD74HC4067

ON Resistance 70Ohms @ 4.5Vcc and 60Ohms @ 6VCC

2V to 6V operation

Dual-core Tensilica LX6 microprocessor, up to 240MHz clock frequency, and 520kB internal SRAM

Integrated 802.11 BGN WiFi transceiver and Integrated compatible with dual-mode BT (classic and newer versions)

2.5 µA deep sleep current saves battery for more time between charging or battery swap

SparkFun MIDI Shield

Soldering required

Arduino Format Shield

Make some noise with your next project! The MP3 Trigger is a versatile, low-cost, low-power embedded audio unit that plays MP3 tracks directly from a FAT32 or FAT16 formatted microSD flash card to a stereo 1/8” (3.5mm) headphone output jack, supporting up to 192kbps stereo playback.

The board has 18 external input pins that when pulled to ground, trigger pre-selected MP3 tracks, and a full-duplex serial control port that provides real-time volume control as well remote triggering for up to 255 tracks.

There is also an on-board navigation switch for local access and playback of all MP3 tracks on the flash card.

ICM-20948 9DoF sensor with On-board digital motion processor (DMP). Digital-output temperature sensor

Triple-axis MEMS gyroscope with user-programmable full-scale range of ±250 dps, ±500 dps, ±1000 dps, and ±2000 dps

Triple-axis MEMS accelerometer with programmable full scale range of ±2g, ±4g, ±8g, and ±16g

ATmega328 running at 8MHz with external resonator (0.5% tolerance)

No USB connection on board. Need FTDI or serial board (or similar device) to program.

Supports auto-reset Has On board Power and Status LEDs

74HC4051 to switch analog or digital signals

8 channels controlled by 3 select inputs

Wide voltage supply range: 2 – 10V Bipolar supply support (e.g., ±5V)

6-12V input voltage via barrel jack or 2-pin header

3.3V or 5V regulated output voltage, with On-Off switch

Output voltage select switch, Power Status LED

Features: Uses I2C interface (Qwiic-enabled): I2C Addresses: 0x76 (Default) or 0x77, 2x Qwiic Connectors; Operating voltage range: 1.71V - 3.6V, Typically 3.3V if using the Qwiic cable; Typical current consumption (varies based on mode and active sensor): 2.1 µA to 18mA, 0.15 µA (sleep mode), 3.9 mA in standard gas scan mode

Relative humidity: Operating range: 0% to 100%, Absolute Accuracy: ±3%RH, Resolution: ±0.008%RH; Temperature: Operating range: -40°C to +85 °C, Absolute Accuracy: ±1.0°C, Resolution: 0.01°C

Pressure: Operating range: 300hPa - 1100hPa, Absolute accuracy: ±60Pa (0°C to 65°C), Resolution: 0.18PA, highest oversampling; Gas: F1 score for H₂S scanning: 0.92, Standard scan speed: 10.8 sec/scan, Sensor-to-sensor deviation: ± 15% ± 15

Enable Direct Level Shifting Between I/O Banks and Host Controller

5.5V Tolerant I/Os, Up to 15mA Output Sink on All I/Os Integrated LED Driver with Intensity Control

On-Chip Keypad Scanning Engine Supports Up to 8x8 Matrix (64 Keys)

Transmit power: -18dBm (0.016mW) to +20dBm (100mW) in 1dBm steps

Receive sensitivity: down to -120dBm at 1.2kbps

Bit rates (FSK): 1.2kbps to 300kbps

The SparkFun LSM6DSO 6 Degrees of Freedom Breakout is an accelerometer and gyroscope sensor with a giant 9kB FIFO buffer and embedded processing interrupt functions.

Each LSM6DSO breakout has been designed to be super-flexible and can be configured specifically for many applications. With the LSM6DSO breakout you will be able to detect shocks, tilt, motion, taps, count steps, and even read the temperature!

Features: 2x Qwiic connectors, I2C Address: 0x6B (default), 0x6A; Accelerometer measurement range: ±2/±4/±8/±16 g full scale; Gyro measurement range: ±125/±250/±500/±1000/±2000 dps full scale

ACS723 AC DC current sensor with OPA344 OpAmp

Hall Effect

Measure both AC and DC currents from 10mA up to 5A

Who doesn't occasionally need power regulation? We certainly do, so we've designed the SparkFun BabyBuck Regulator Breakout to help us with just such a task. Note: Smaller buck board converter only. Headers not included.

Featuring the AP63203 from Diodes Inc, this breakout board takes advantage of a 2A synchronous buck converter that has a wide input voltage range of 3.8V to 32V and fully integrated 125mΩ high-side power MOSFET/68mΩ lowside power MOSFET to provide high-efficiency step-down DC/DC conversion. All of this snuggled up in a low-profile, TSOT26 package that's integrated into a 0.4in by 0.5in board.

Features: Low-Profile Footprint; VIN 3.8V to 32V; VOUT 3.3V; Up to 2A Continuous Output Current; 0.8V ± 1% Reference Voltage; 22µA Ultralow Quiescent Current; Switching Frequency - 1.1MHz

The SparkFun Simultaneous RFID Reader is an Arduino-compatible board to get you started with the M6E Nano UHF RFID Reader

Radio Frequency Identification (RFID) is becoming popular everywhere for tracking practically everything

Whether you want to get started by adding an RFID reader on your toolbox with tags on all your tools or allowing access to the tree house for your secret society meetings, this board may be for you!

4245 PSOC and 2-channel motor ports programmable using Qwiic library. On board ATTINY84A supports up to two DC motor encoders. PWM control for up to four servos.

5v pass-through from RPi. Uninhibited access to the RPi camera connector & display connector. USB-C for powering 5V rail (Motors/Servos/backpowering Pi)

On board ICM-20948 9DOF IMU for motion sensing accessible via Qwiic library

ATSAMD51J20 microcontroller 32-bit ARM Cortex-M4F MCU Up to 120MHz CPU speed 1MB flash memory 256KB SRAM Up to 6 SERCOM interfaces

UF2 bootloader (Arduino-Compatible)

Micro-B USB interface for programming and power

Access the pins on your car's OBDII connector

Hack your car

Packaging : - ; Manufacturer : SparkFun ; Rohs : 1

Temp Range: -40C to 85C - Humidity Range: 0 - 100% RH, =-3% from 20-80%

Pressure Range: 30,000Pa to 110,000Pa, relative accuracy of 12Pa, absolute accuracy of 100Pa

Altitude Range: 0 to 30,000 ft (9.2 km), relative accuracy of 3.3 ft (1 m) at sea level, 6.6 (2 m) at 30,000 ft.