SparkFun Accessories

Results: 942
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SparkFun SparkFun Accessories This is a row of 40 break away headers spaced 0.1" apart with long pins on both sides. This header is especially useful when you need to connect a PCB to a solderless breadboard. Each header can be broken apart to your preference to fit custom PCBs o 305In Stock
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SparkFun SparkFun Accessories Photo interrupter photogate photodiode phototransistor whatever you want to call it this sensor is composed of an infrared emitter on one upright and a shielded infrared detector on the other. By emitting a beam of infrared light from one uprigh 34In Stock
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SparkFun SparkFun Accessories USB Mini-B Cable 6"
274In Stock
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Cables
SparkFun SparkFun Accessories Alligator Test Leads Multicolored 10 pac 180In Stock
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Test Equipment
SparkFun SparkFun Accessories The SparkFun Single Supply Logic Level Converter is logic level and power supply translator in one small package. This little board breaks out the Texas Instruments TXB0104 4-bit bi-directional voltage-level translator with automatic direction sensin 16In Stock
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Power Supplies Logic Level Converter - Single Supply
SparkFun SparkFun Accessories Increase your range with this 1/2 wave duck antenna. Designed for 860 to 960MHz it is ideal for distant LoRa nodes. Utilizes an RP-SMA connector and is 200mm long.
Datasheet
5In Stock
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Antennas LoRa Antenna RP-SMA - 915 MHz
SparkFun SparkFun Accessories It's not what project you have in mind that may use a rocket launch switch... The question is what project will you come up with once you have one in hand? Everyone has a proverbial missile to launch. The hot red safety cover protects a toggle switc 67In Stock
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Switches
SparkFun SparkFun Accessories This is a unique two-cell AAA battery holder built specifically for the BBC micro:bit. The 6" ( 150mm) cable has been terminated with a JST-PH connector.The connector mates the JST socket on the micro:bit perfectly allowing you to easily make your p 35In Stock
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Battery Holders Battery Holder - 2 AAA
SparkFun SparkFun Accessories This little round on/off/on toggle switch is rated up to 10A at 125VAC and can be panel mounted in a 20mm diameter hole. It ll also look pretty slick in your project! 194In Stock
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Switches Rocker Switch - On/Off/On (Round)
SparkFun SparkFun Accessories If you want to get some sound out of your project but have a tight space budget this is a good way to do it. This 0.5W 8Ohm speaker is only 40mm in diameter and just over 4mm thick the same kind you might find in one of those "talking greeting car
Datasheet
260In Stock
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Accessories Thin Speaker - 0.5 W
SparkFun SparkFun Accessories A small 1/4 wave rubber duck antenna for LoRa or other 860-960MHz communication. Antenna has a center frequency of 915MHz and utilizes an RP-SMA connector. Gain is 2dBi with an overall length of 110mm.
2In Stock
4Expected 8/20/2026
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Antennas LoRa Antenna RP-SMA - 915 MHz
SparkFun SparkFun Accessories UHF RFID Cable (TNC to RP-SMA)
Datasheet
12In Stock
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Cables UHF RFID Cable
SparkFun SparkFun Accessories USB-C is quickly becoming more and more prominent in the maker community because let s be honest who likes trying three times to insert USB into a port? This is a 16-pin female USB Type C connector that is commonly found in smart phones laptop
Datasheet
15In Stock
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Connectors USB Female Type C
SparkFun SparkFun Accessories Cherry MX switches are great for building your own keyboards. Whether you are looking to build a full sized 108-key keyboard your own 10-key or just a custom input for your computer Cherry MX switches give you that satisfying keyboard click. Now we
Datasheet
281In Stock
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Accessories Cherry MX Keycap - R2 (Opaque Black)
SparkFun SparkFun Accessories Have you ever wanted to control something powerful or have you ever needed to turn on/off a high power device from your Arduino or another low powered microcontroller? The SparkFun Qwiic Single Relay provides you with the easiest to use relay yet. Th
Datasheet
16In Stock
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Accessories Qwiic Single Relay
SparkFun SparkFun Accessories This 3ft Category 6 (CAT 6) Ethernet cable is the solution to your internet working needs. With a speed of up to 500MHz you can connect to your LAN/WAN segments and networking gear at maximum speed. Also with its superior connector you get a cable t 9In Stock
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Cables
SparkFun SparkFun Accessories This is the LM317TG voltage regulator a three-terminal positive regulator with a 1.2V to 37V adjustable output voltage. This adjustable regulator provides a local regulation internal current limiting thermal shut-down control and safe area protec 12In Stock
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SparkFun SparkFun Accessories 1/6th Watt +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards these 330Ohm resistors make excellent LED current limiters and are great for general use. Need more than one? Checkout our bags of resistors. 25In Stock
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SparkFun SparkFun Accessories An adjustable potentiometer can open up many interesting user interfaces. Turn the pot and the resistance changes. Connect VCC to an outer pin GND to the other and the center pin will have a voltage that varies from 0 to VCC depending on the rotati 11In Stock
30On Order
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SparkFun SparkFun Accessories Check out these big 10mm through-hole LEDs! The opaque epoxy package causes these LEDs to have a soft diffuse glow.Features:620-625nm Red1.8-2.2VDC Forward Voltage20mA Forward Current40 degree viewing angle100-150 MCD outputDocuments:[Datasheet](htt 70In Stock
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Optoelectronics LED
SparkFun SparkFun Accessories This is the BC337 an NPN silicon BJT (Bipolar Junction Transistor). This little transistor can help in your project by being used to help drive large loads or amplifying or switching applications. The BC337 is specifically rated at 50V and 800mA max
Datasheet
50In Stock
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Accessories Transistor - NPN, 50 V, 800 mA
SparkFun SparkFun Accessories This is a through-hole 12mm coin cell battery holder. It's the unit we like to use as RTC backup and SRAM backup for GPS units. Holds battery in place with friction. Metal housing is + PCB pad underneath is -.This battery holder is sold in single un 26In Stock
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Battery Holders Battery Holder - Coin Cell
SparkFun SparkFun Accessories Audio Jack 3.5mm 142In Stock
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SparkFun SparkFun Accessories This is a SparkFun exclusive! These are 12" long jumper wires terminated as male to male. Use these to jumper from any female header on any board. Multiple jumpers can be connected next to one another on a 0.1" header. Comes in five packs of twenty j 7In Stock
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Wire & Cable Jumper Wire
SparkFun SparkFun Accessories JST Right-Angle Connector TH 2-Pin
Datasheet
178In Stock
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Connectors Automotive Connectors