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This plastic knob accepts a 6mm shaft and has a 15mm outer diameter. They simple press-fit onto a shaft. These are clear so t…
If you ever find yourself connecting handfuls of resistors to the ground bus of your breadboard, you may consider these SIL-p…
PICAXE-08M2 microcontroller chip. PICAXE is a neat entry-level microcontroller system that is relatively cheap to get s…
This DC power jack/connector is just like the other one that we carry except that it's terminated with breadboard-friendly pi…
Integrating Ethernet support into your project is a great way to relay data through a local area network and even bounce info…
These 2x5 crimp connectors can be snapped onto 10-wire ribbon cable to make your own cable assemblies and keep your connectio…
These 2x3 crimp connectors can be snapped onto 6-wire ribbon cable to make your own cable assemblies and keep your connection…
Ribbon cable is really helpful in situations where you need to make a lot of connections without a big mess of wires. Nothing…
These wireless transmitters work with our 315MHz receivers. They can easily fit into a breadboard and work well with microcon…
These wireless transmitters work with our 434MHz receivers. They can easily fit into a breadboard and work well with microcon…
These wireless receivers work with our 315MHz transmitters. They can easily fit into a breadboard and work well with microcon…
These wireless receivers work with our 434MHz transmitters. They can easily fit into a breadboard and work well with microcon…
This is a breakout for the SOIC version of the 74HC595 shift register IC. Clock in data and latch it to free up IO pins on yo…
These small steppers are a great way to get things moving, especially when positioning and repeatability is a concern. Whe…
This right-angle tactile switch has a great 'click' to it. Also, because it's a through-hole design it's very sturdy. Mount i…
Check out these big 10mm through-hole LEDs! The opaque epoxy package causes these LEDs to have a soft, diffuse glow.
The TLC5940 is a 16 channel PWM unit with 12-bit duty cycle control (0-4095), 6 bit current limit control (0-63), and a daisy…
You can tell by our large assortment of tweezers that we here at SparkFun are way into picking up tiny things. To make sure w…
This is a 2-pin JST RCY connector typically used for low-voltage applications running 3A or less. They are commonly found in …
These connectors are made from high-temp nylon with gold-plated spring pins or sockets molded in. The shape of this generic X…
Do you ever wish your Arduino was more musically talented? Or maybe your project could use some cool sound effects. The Spark…
This is a 33 meter roll of polyimide tape. This tape is a fantastic insulator, like electrical tape, but it can withstand tem…
Rubber feet raise your PCB or project up off your desk. This helps prevent short circuiting from bits of scrap wire floating …
This is the latest version of our popular through-hole Simon Says Kit. We've made some changes to the board that should make …
We could talk about how the Zinc used in these nuts is only from the finest old-growth Zinc trees from across the globe and i…
Standard Philips-head 4-40 screws. They are 1/2" long and come in packs of ten. This is the screw size we use in most of the …
BNC connectors are ideal for quick connects to audio coax and high-frequency signal lines. This is a right-angle connector an…
Metal Hex Male/Female standoffs. #4-40 thread with 3/8" shank and 3/16" thread length. Can be stacked to create any length. …
The Arduino Funnel I/O (Fio) is a board designed by Shigeru Kobayashi, based on the original design from [LilyPad](http://www…
This is a small device called a [reed switch](http://en.wikipedia.org/wiki/Reed_switch). When the device is exposed to a magn…
Solenoids are a great way to induce linear motion for pushing, pulling or controlling switches and levers. According to the d…
These are simple 2-position screw terminals with 2.54mm pitch pins. Rated up to 150V @ 6A, this terminal can accept 30 to 18A…
Copper tape has countless applications in electronics from creating low-profile traces for electrical components to RF-shield…
Potentiometers are incredibly useful, whether you're controlling the volume on your stereo or the 'mood lighting' in your roo…
Simple breakout board for the 3.5mm audio jack. Use this breakout (shipped bare) to allow breadboard or SIP access to the sup…
There are your standard Philips-head 4-40 screws. They are 1/4" long and come in packs of ten. This is the screw size we use …
The SparkFun RFID USB Reader is a simple to use, USB to serial base unit for the ID-3LA, ID-12LA, and ID-20LA readers. Simply…
This is a breakout board for the SP3485 RS-485 transceiver IC, which will convert a UART serial stream to RS-485.
The name says it all on this one. An ATmega328P in DIP package, pre-loaded with the Arduino Optiboot (Uno 16MHz) Bootloader. …
The seven band graphic equalizer IC is a CMOS chip that divides the audio spectrum into seven bands. 63Hz, 160Hz, 400Hz, 1kHz…
This is the SMD version of [PRT-07948](http://www.sparkfun.com/products/7948), which is the unit we like to use as RTC backup…
This is a 34' roll of thermal printing paper for use with our thermal printer. This roll is smaller than you find at most off…
