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SparkFun Magnetic Sensor Development Tools The SparkFun TMAG5273 Qwiic Mini Linear 3D Hall-Effect Sensor is a low-power high-precision magnetic field sensor that can detect a magnetic field's presence strength and direction in three dimensions. This board is perfect for applications involv 44In Stock
99Expected 10/7/2026
Min.: 1
Mult.: 1
SparkFun Distance Sensor Development Tool This is the HC-SR04-33 ultrasonic distance sensor. This economical sensor provides 2cm to 400cm of non-contact measurement functionality with a ranging accuracy that can reach up to 3mm. Each HC-SR04-33 module includes an ultrasonic transmitter a re
Datasheet
85In Stock
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SparkFun Other Tools More and more of our products use U.FL connectors so we wrote a tutorial on "Three Quick Tips About Using U.FL. However even when following all the best practices outlined in the tutorial we managed to rip more than a few connectors apart and it's 38In Stock
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SparkFun RF Cable Assemblies This RP-SMA to U.FL Cable is commonly used to connect boards with the compact U.FL connector to an enclosure wall. This allows an external antenna to be attached. What makes this unassuming cable special is the slightly longer length of 150mm (compar 270In Stock
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SparkFun Sub-GHz Development Tools The SparkFun LoRaSerial Kit is a pair of serial radio modems that simply passes serial back and forth between one another. The LoRaSerial provides you with the means to report data every few seconds even if it's located beyond WiFi or Bluetooth ran
5In Stock
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SparkFun RF Adapters - In Series This adapter has a standard polarity Male SMA connection at both ends. It allows you to convert a standard polarity Female SMA connection to Male. You can screw it onto the female end of our Interface Cable - SMA Female to SMA Male to create a short 208In Stock
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SparkFun Bluetooth Development Tools - 802.15.1 The SparkFun IN100 NanoBeacon Lite Board offers the ubiquitous 2.4 GHz wireless low-energy BT beacon breakout with exceptionally low power consumption features and minimal programming required. The board features the IN100 NanoBeacon from InPlay 103In Stock
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SparkFun Antenna Development Tools The RTL-SDR BLOG V3 is a low-cost software defined radio USB dongle. Perfect for getting into projects that utilize software defined radios or just learning more about them. The RTL-SDR Blog V3 is an improved RTL-SDR dongle. RTL-SDR dongles were ori
3In Stock
17Expected 10/13/2026
Min.: 1
Mult.: 1

SparkFun Multiprotocol Modules The SparkFun BlueSMiRF v2 with headers is a wireless Bluetooth serial link. These boards work as a wireless serial UART pipe and are a great wireless replacement for serial cables. Simply pair connect and transmit serial data between your TX/RX l 18In Stock
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SparkFun Interface Development Tools The factory is currently not accepting orders for this product.
Datasheet
4In Stock
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SparkFun Switch IC Development Tools A/D MUX Breakout CD74HC4067
Datasheet
325In Stock
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Mult.: 1

SparkFun Interface Development Tools Opto-isolator Breakout 238In Stock
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SparkFun Power Management IC Development Tools Energy Harvest B/O LTC3588
Datasheet
35In Stock
Min.: 1
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SparkFun Interface Development Tools This is a breakout board for the SP3485 RS-485 transceiver IC which will convert a UART serial stream to RS-485. The SP3485 is a half-duplex transceiver so it can only communicate one way at a time but it can reach transmission speeds of up to 10M 197In Stock
450Expected 10/6/2026
Min.: 1
Mult.: 1

SparkFun Interface Development Tools Transceiver Breakout - MAX3232
Datasheet
1.597In Stock
2.449On Order
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SparkFun Interface Development Tools This is the SparkFun USB to Serial Breakout for the FT232RL a small board with a built in USB to serial UART interface. This little breakout is built around the FT232RL IC from FTDI with an internal oscillator EEPROM and a 28-pin SSOP package thi
Datasheet
82In Stock
125On Order
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SparkFun Data Conversion IC Development Tools I2C DAC Breakout - MCP4725
Datasheet
344In Stock
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SparkFun Ethernet Development Tools RJ45 Breakout
Datasheet
202In Stock
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SparkFun Daughter Cards & OEM Boards SOIC to DIP Adapter - 8-Pin 710In Stock
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SparkFun Audio IC Development Tools The SparkFun Analog MEMS Microphone Breakout makes it easy to work with the SPH8878LR5H-1 analog microphone from Knowles. This board features an OpAmp to bring the output of the microphone to a usable level allowing you to plug directly into an ADC 224In Stock
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SparkFun SparkFun Accessories This is a jumper adapter cable that comes pre-terminated with a female Qwiic JST connector on one end and female connectors on the other. The cable insulation is made from a highly malleable material making it more flexible than our original Qwiic ca 717In Stock
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SparkFun LED Lighting Development Tools This is the FemtoBuck a small-size single-output constant current LED driver. Each FemtoBuck has the capability to dim a single high-power channel of LEDs from 0-350mA at up to 36V while the dimming control can be either accessed via PWM or analog s
Datasheet
221In Stock
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SparkFun Interface Development Tools QwiicBus - EndPoint
Datasheet
352In Stock
528Expected 11/30/2026
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SparkFun Interface Development Tools QwiicBus - MidPoint
Datasheet
64In Stock
Min.: 1
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SparkFun Development Boards & Kits - AVR 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 soft 101In Stock
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