SparkFun Semiconductors

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SparkFun Magnetic Sensor Development Tools The SparkFun TMAG5273 Qwiic 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 involving m 48In Stock
46Expected 10/8/2026
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SparkFun Power Management IC Development Tools LiPo batteries are a great way to power your projects. They're small lightweight and pack a pretty good punch for their size. Unfortunately even the best batteries eventually run low on power and when they do it's often unexpected (and at the wors 21In Stock
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SparkFun Multiprotocol Development Tools The SparkFun IoT RedBoard is an ESP32 Development Board that includes everything but the kitchen sink! Espressif's ESP32 WROOM is a powerful WiFi and Bluetooth MCU module that targets a wide variety of applications. At the core of this module is th 8In 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 WiFi Development Tools - 802.11 The SparkFun ESP32 WROOM Thing Plus with USB-C is a great place to get started with Espressif IoT ideations while still enjoying all the amenities of the original ESP32 WROOM Thing Plus. Espressif's ESP32 WROOM is a powerful WiFi and Bluetooth MCU
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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 106In Stock
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SparkFun Interface Development Tools The factory is currently not accepting orders for this product.
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4In Stock
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SparkFun Switch IC Development Tools A/D MUX Breakout CD74HC4067
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360In Stock
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SparkFun Interface Development Tools Opto-isolator Breakout 265In Stock
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SparkFun Power Management IC Development Tools Energy Harvest B/O LTC3588
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48In Stock
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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 429In Stock
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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
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114In Stock
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SparkFun Data Conversion IC Development Tools I2C DAC Breakout - MCP4725
Datasheet
360In Stock
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SparkFun Daughter Cards & OEM Boards SOIC to DIP Adapter - 8-Pin 379In Stock
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SparkFun LED Lighting Development Tools The PicoBuck LED Driver is an economical and easy to use driver that will allow you to control and blend three different LEDs on three different channels. By default each channel is driven at 330mA; that current can be reduced by either presenting a
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73In 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
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267In Stock
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SparkFun Interface Development Tools QwiicBus - EndPoint
Datasheet
392In Stock
528Expected 18/8/2026
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SparkFun Power Management IC Development Tools SparkFun BabyBuck Regulator Breakout - 3.3V (AP63203) 349In Stock
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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 72In Stock
29Expected 12/8/2026
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SparkFun Development Boards & Kits - AVR Arduino Pro Mini 328 - 3.3V/8MHz 402In Stock
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SparkFun Interface Development Tools CAN-BUS Shield
Datasheet
56In Stock
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SparkFun Development Boards & Kits - ARM 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 58In Stock
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SparkFun Interface Development Tools The SparkFun Serial Basic Breakout - USB-C is the latest evolution of our easy-to-use USB-to-Serial adapters. Built around the CH340C IC this board upgrades you to the modern USB-C connector effectively future-proofing your toolkit. It works with b
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149In Stock
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SparkFun Power Management IC Development Tools It's time to effectively manage the power distribution into your project and with the SparkFun Power Delivery Board you can! Traditional power adapters can provide a wide range of current but the voltage stays fixed at 5V. With the SparkFun Power De 63In Stock
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SparkFun Development Boards & Kits - ARM The SparkFun MicroMod Teensy Processor brings the high-performance computing power of the Teensy platform developed by PJRC to the flexible MicroMod ecosystem. This board leverages the NXP iMXRT1062 processor built around an ARM Cortex-M7 CPU runn 102In Stock
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