Tools & Supplies

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SparkFun SparkFun Accessories Need range? 2.4GHz Large Duck Antenna 5dBi with Reverse Polarized - SMA RF connector. Perfect for prototyping with our RF ICs. 50 ohm impedance. This antenna mates nicely with the Reverse Polarized SMA Connector. 6In Stock
$18.50
Min.: 1
Mult.: 1
SparkFun SparkFun Accessories 900/1800 MHz Duck Antenna 2dBi with regular RP-SMA RF connector. Perfect for use with the XBee 900MHz units. 50 ohm impedance. 105mm long. Be sure to pick the antenna with the right connector. Almost all 2.4GHz and 915MHz antennas need to be RP-SMA. 76In Stock
$9.95
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Mult.: 1
SparkFun SparkFun Accessories This is a 4" connector cable that interfaces U.FL RF connectors to regular SMA connectors. This cable is commonly used to connect larger GPS antennas and quad-band cellular antennas. 37In Stock
75Expected 06/11/2026
$5.75
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SparkFun SparkFun Accessories This cute little coax is a champ in our RF kit! It has a right angle female U.FL (aka I-PEX) connector on both ends. Now instead of jerry-rigging a few U.FL to SMA cables together we can go straight from one U.FL device to another. As an added bonus
Datasheet
51In Stock
$2.75
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Mult.: 1
SparkFun SparkFun Accessories This is a USB to TTL Serial Cable which allows for a simple way to connect TTL interface devices to USB. The I/O pins of this cable are configured to operate at 3.3V specifically with a Raspberry Pi with each serial pin broken apart. Thanks to its se 19In Stock
$21.19
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Mult.: 1
SparkFun SparkFun Accessories Electrolytic decoupling capacitors 100uF/25V. These capacitors are great transient/surge suppressors. Attach one between the power and ground of your project to ensure smooth power delivery. High quality radial electrolytic capacitors. 103In Stock
$0.50
Min.: 1
Mult.: 1
SparkFun SparkFun Accessories Crystal 16MHz 25In Stock
$1.25
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Mult.: 1
SparkFun SparkFun Accessories LEDs - those blinky things. A must have for power indication pin status opto-electronic sensors and fun blinky displays.This is a very basic 5mm LED with a green lens. It has a typical forward voltage of 2.0V and a rated forward current of 20mA.Fe 56In Stock
$0.50
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Mult.: 1
SparkFun SparkFun Accessories This is a simple 3.5mm TRS stereo audio jack with a screw-on plastic shroud. These are great for projects that plug into headphone jacks. Stereo plugs can also be used for carrying serial comm connections! The outer shell unscrews to reveal solder te 25In Stock
$0.75
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Mult.: 1
SparkFun SparkFun Accessories LEDs - those blinky things. A must have for power indication pin status opto-electronic sensors and fun blinky displays.This is a very basic 5mm LED with a blue lens. It has a typical forward voltage of 3.4V and a rated forward current of 30mA.Fea 19In Stock
$0.75
Min.: 1
Mult.: 1
SparkFun SparkFun Accessories Are you trying to make a quick dime from electronics? Why limit yourself to dimes? This coin acceptor will take up to 6 different kinds of coin! Whether you're building your own arcade cabinet or just charging admission to your house this programmab 3In Stock
$80.54
Min.: 1
Mult.: 1
SparkFun SparkFun Accessories LED - Assorted (20 pack) Diameter 5mm 18In Stock
$4.75
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Mult.: 1
SparkFun SparkFun Accessories The FTDI cable is a USB to Serial (TTL level) converter which allows for a simple way to connect TTL interface devices to USB. The I/O pins of this FTDI cable are configured to operate at 5V.The FTDI cable is designed around an FT232RQ which is hous 46In Stock
$25.95
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SparkFun SparkFun Accessories This is a basic 16 character by 2 line display with a snazzy black background with white characters. Utilizes the extremely common HD44780 parallel interface chipset (datasheet). Interface code is freely available. You will need 11 general I/O pins
Datasheet
12In Stock
$24.95
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SparkFun SparkFun Accessories This is a 16 character by 2 line display that runs at 3.3V. Utilizes the common ST7066/HD44780 parallel interface (datasheet). Interface code is widely available for many different controllers and systems. You will need 11 general I/O pins to interf 18In Stock
22Expected 23/10/2026
$22.50
Min.: 1
Mult.: 1
SparkFun SparkFun Accessories Do you need *a lot *of space? But you need it in the size of your pinky nail? microSD (uSD) is here to save the day. TransFlash has now completed standards certification and is now known as microSD. Compatible with the SPI interface found on any SD c
Datasheet
35In Stock
$4.95
Min.: 1
Mult.: 1
SparkFun SparkFun Accessories Simple 4 Cell AA Battery holder with 5" tinned leads square configuration. 12In Stock
$2.25
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Mult.: 1
SparkFun SparkFun Accessories USB Type 'Mini-B' Female SMD connector. This is a 5-pin Mini-B surface mount connector commonly found in MP3 players media/disk readers USB hubs pretty much anything small and USB.Documents: Datasheet 19In Stock
$1.95
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Mult.: 1
SparkFun SparkFun Accessories These are simple through-hole RJ45 sockets with PCB mounting posts. These 8-pin connectors are commonly used in conjunction with Cat5 Cat5e and Cat6 Ethernet cables. Because Ethernet cable is so ubiquitous these are awesome for projects where you
Datasheet
195In Stock
$1.95
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Mult.: 1
SparkFun SparkFun Accessories Simple IDC ribbon cable. Used for AVR programming general communication and all around handy-ness.Datasheet shows an incorrect length. Cable length is 6"Documents:Datasheet 46In Stock
$1.75
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Mult.: 1
SparkFun SparkFun Accessories These headers are made to work with the Arduino Main Board Arduino Pro and the Arduino Mega. They are the perfect height for clearing the USB-B connector and great for stacking multiple shields. This kit includes 4 headers (2 8-pin and 2 6-pin) en 50In Stock
$2.50
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SparkFun SparkFun Accessories Arduino Stackable Header - 10 Pin 669In Stock
$0.95
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Mult.: 1
SparkFun SparkFun Accessories This is an incredibly simple one cell 18650 Battery Holder. When someone thinks of 18650 Cells they tend to think of flashlights first which is fair since that is what they have been primarily used for. However with this battery holder you will gai 85In Stock
$1.37
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SparkFun SparkFun Accessories This is a simple three wire cable. Each cable is 6" long and is great for jumping from board to board or just about anything else. There is a 3-pin JST connector with 0.1" spacing on both ends. These jumper wires come with black red and white cable 12In Stock
$1.75
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SparkFun SparkFun Accessories Copper tape has countless applications in electronics from creating low-profile traces for electrical components to RF-shielding and antenna-making. Copper tape is even used to join things together using solder like the stained glass on Tiffany lamp 4In Stock
$30.07
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Mult.: 1