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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 Wall Mount AC Adapters This isn't just a standard wall adapter; it's a versatile power supply for your entire workbench. This 65W Power Delivery (PD) Wall Adapter packs serious performance into a compact brick capable of powering everything from your laptop and soldering
Datasheet
8In 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 177In 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 3In Stock
6Expected 22/06/2026
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SparkFun Antennas This is a 915MHz SMA Duck Antenna for use with the AHPI7292S WiFi HaLow HAT. We've distinguished it as for use with this HAT as it's an SMA connection where most of our other boards are RP-SMA. It's the easiest way to start working with the WiFi HaLo 24In 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
SparkFun Antennas A 433MHz antenna that utilizes an SMA connector and is 200mm long with a gain of 2dBi. Comes with the frequency laser printed on the antenna. 8In 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 142In 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 112In 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
13In Stock
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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 19In Stock
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SparkFun Interface Development Tools The factory is currently not accepting orders for this product.
Datasheet
Product Comments
6In Stock
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SparkFun Interface Development Tools Opto-isolator Breakout 280In Stock
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SparkFun Power Management IC Development Tools Energy Harvest B/O LTC3588
Datasheet
49In 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 251In Stock
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SparkFun Interface Development Tools Transceiver Breakout - MAX3232
Datasheet
1,356In Stock
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SparkFun Interface Development Tools Voltage Level Translator TXB0104
Datasheet
239In 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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73In Stock
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SparkFun Data Conversion IC Development Tools I2C DAC Breakout - MCP4725
Datasheet
381In Stock
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SparkFun Daughter Cards & OEM Boards SOIC to DIP Adapter - 8-Pin 396In 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
Datasheet
98In 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
158In Stock
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SparkFun Sub-GHz Modules RFM69HCW Wireless Transceiver - 434MHz
Datasheet
184In Stock
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SparkFun Interface Development Tools QwiicBus - EndPoint
Datasheet
138In Stock
493Expected 13/08/2026
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SparkFun Memory Cards This is a class 10 32GB microSD memory card perfect for housing operating systems for single board computers and a multitude of other information. Since this is a class 10 microSD it is capable of transferring data at speeds up to 100MB/s allowing i 109In Stock
61Expected 03/07/2026
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