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Resistors are a good thing, in fact, they're actually crucial in a lot of circuit designs. The only problem seems to be that …
We all know that you can never get too many LEDs. Don't worry, we've got you covered. This is a pack of basic red, yellow, bl…
This is a class 10 16GB microSD memory card, perfect for housing operating systems for single board computers and a multitude…
Gone are the days that you have to worry about silicone water proofing splitting and breaking on you! These are sealed addres…
Are you looking to add a lot of color to your project? These massive 32x32 RGB LED panels are an awesome place to start. You …
The PicoBuck LED Driver is an economical and easy to use driver that will allow you to control and blend three different LEDs…
A solid state relay (SSR) allows you to control high-curent AC loads from lower voltage DC control circuitry. Solid state rel…
There are lots of trimpots out there. Some are very large, some so small they require a screwdriver. Here at SparkFun, we jus…
This is the FemtoBuck, a small-size single-output constant current LED driver. Each FemtoBuck has the capability to dim a sin…
4-digit 7-segment displays are really neat little devices, it's a shame that they can be so cumbersome to control. Well we've…
This is a joystick very similar to the 'analog' joysticks on PS2 (PlayStation 2) controllers. Directional movements are simpl…
The SparkFun Beginner Parts Kit is a small container of parts frequently used by beginning (or even experienced) hobbyists th…
This is a kit that provides you with a basic assortment of capacitors to start or continue your electronics tinkering. No mo…
This 1024 pulse per rotation rotary encoder outputs [gray code](http://en.wikipedia.org/wiki/Gray_code) which you can interpr…
Surface transducers give you the awesome power to turn almost any surface into a speaker. They're essentially just a speaker …
Have you ever needed a cheap way to activate something from across the room? Infrared remotes are still the cheapest way to w…
Ever hear of a thing called RGB? Red, Green, Blue? How about an RGB LED? These 5mm units have four pins - Cathode is the long…
This is an class 10 16GB micro SDHC card that is pre-installed with the NOOBS operating system for the Raspberry Pi. This SD …
It's the end of the world, and you need a button to press. This is it. A 100mm diameter (outside diameter) dome illuminated p…
These are addressable 5-meter-long 5V RGB LED strips that come packed with 300 APA102Cs. APA102 LEDs are very similar to WS28…
No really - it's 6 inches (153mm) tall! This very large 7-segment display can be seen from a hundred feet away. So many proje…
This is a standard 12mm square momentary button. What we really like is the large button head and good tactile feel (it 'clic…
The seven band graphic equalizer IC is a CMOS chip that divides the audio spectrum into seven bands. 63Hz, 160Hz, 400Hz, 1kHz…
Want to control a standard wall outlet device with your micro controller, but don't want to mess with the high voltage wiring…
If you've ever wondered how to control the headlight of a car from a microcontroller, a MOSFET is what you need. This is a ve…
Piezo elements come in handy when you need to detect vibration or a knock. You can use these for tap or knock sensors pretty …
These tactile buttons are great for all sorts of projects. This assortment comes with 2 of each of 6 different colors for a t…
This is a thermal printer like you would find on a cash register or adding machine. It will print simple strings passed to it…
A very powerful 5mW green laser. Fun, but don't point in anyone's eyes. These units include two solder points for permanent o…
This is a small 12mm round speaker that operates around the audible 2kHz range. You can use these speakers to create simple m…
4-way Pacman type arcade joystick. Heavy duty design gives this joystick a great feel! **Features:** * ABS plastic and so…
This large 8x32 pixel WS2812B flexible LED matrix is a great way to add an impressive amount of color while still being able …
These are high quality Single Pole - Double Throw (SPDT) sealed relays. Use them to switch high voltage, and/or high current …
These motorized sliders are very cool. Each is essentially a standard slide pot which is belt-driven by a small motor. The sl…
Rotary encoders can be used similarly to potentiometers. The difference being that an encoder has full rotation without limit…
Are you trying to make a quick dime from electronics? Why limit yourself to dimes? This coin acceptor will take up to 6 diffe…
EL inverters allow you to drive EL (electroluminescent) wires. This particular EL inverter accepts a 12 VDC wall adapter. The…
These are bare addressable 5 meter long 5V RGB LED strips that come packed with 60 WS2812s per meter. As these are bare LED s…
Surface transducers give you the awesome power to turn almost any surface into a speaker. Much like our larger surface transd…
The SparkFun Large Digit Driver is a chainable controller backpack that can be soldered directly to the back of our large [6.…
This is a Hardware Pack for the Intel® Edison, with this set you will be provided with increased mechanical strength for sta…
The SparkFun EL Sequencer is a board that contains an Arduino-compatible microcontroller, and circuitry for controlling up to…
This is a heavy-duty joystick very similar to the ones in [claw](http://en.wikipedia.org/wiki/Claw_vending_machine) arcade ga…
Atmel's itty-bitty ATtiny85 8-Bit Processor. 8K of program space, 6 I/O lines, and 4-channel 10 bit ADC. Runs up to 20MHz wit…
Faster, cheaper, smaller, better, right? The SN754410 Quad Half H-Bridge is just that. Capable of driving high voltage motors…
These DC powered heating pads are perfect for near-body heating applications. They get warm to the touch but not too hot. Sim…
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