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An adjustable potentiometer can open up many interesting user interfaces. Turn the pot and the resistance changes. Connect VC…
This is the Magnetic Door Switch Set, a small reed switch assembly specifically designed to alert you when doors, drawers, or…
This is a small device called a [reed switch](http://en.wikipedia.org/wiki/Reed_switch). When the device is exposed to a magn…
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…
This is Honeywell's HMC5883L, a 3-axis digital magnetometer designed for low-field magnetic sensing. The sensor has a full-sc…
This is the SparkFun LED Starter Kit, an ultimate assortment of LEDs packed into a single red box! Now, this isn't a box fill…
A basic 12 button keypad for user input. The buttons are setup in a matrix format. This allows a microcontroller to 'scan' th…
These motorized sliders are very cool. Each is essentially a standard slide pot which is belt-driven by a small motor. The sl…
A simple slide potentiometer can go a long way. Rated at 10kOhm and 0.5W. Comes with solder tab connections. The taper profil…
This is the basic L7805 voltage regulator, a three-terminal positive regulator with a 5V fixed output voltage. This fixed reg…
VS1063 is an easy-to-use, versatile encoder, decoder and codec for a multitude of audio formats. They can be hard to get hold…
This 200 pulse per rotation single-output encoder outputs electrical pulses which you can interpret using a microcontroller t…
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…
The WS2812 is an RGB LED with a WS2811 control IC built right into the LED. This really blew our minds to see the control IC …
This DC Blower really moves some air! Pulling about 1Amp @ 12VDC, this blower is rated at 16CFM (although it seems like more …
We all know that you can never get too many LEDs. Don't worry, we've got you covered. This is a pack of 25 LEDs all convenien…
This is a Hardware Pack for the Intel® Edison, with this set you will be provided with increased mechanical strength for sta…
These DC powered heating pads are perfect for near-body heating applications. They get warm to the touch but not too hot. Sim…
This 200 pulse per rotation rotary encoder outputs [gray code](http://en.wikipedia.org/wiki/Gray_code) which you can interpre…
These are bare addressable 1 meter long 5V RGB LED strips that come packed with 60 WS2812s per meter. As these are bare LED s…
Ever hear of a thing called RGB? Red, Green, Blue? How about an RGB LED? These 5mm units have four pins: one for each color a…
A small audio speaker that is ideal for radio and amplifier projects and is small enough to fit in robot projects. **Featu…
Are you trying to make a quick dime from electronics? Why limit yourself to dimes? This coin acceptor will take up to 6 diffe…
This is an 8 gig microSD memory card. It's perfect for massive datalogging without taking up a lot of space. These microSD ca…
LEDs - those blinky things. A must have for power indication, pin status, opto-electronic sensors, and fun blinky displays. …
This little round on/off toggle switch is rated up to 10A at 125VAC and can be panel mounted in a 20mm diameter hole. It'll a…
This simple on-off switch is rated for 20A at 12V but who cares about all that, it looks way awesome. These toggle switches c…
EL wire, or electroluminescent wire, is a flexible wire coated in phosphor. Apply the appropriate voltage and it lights up! I…
PICAXE-08M2 microcontroller chip. PICAXE is a neat entry-level microcontroller system that is relatively cheap to get sta…
BlinkM is a “Smart LED”, a networkable and programmable full-color RGB LED for hobbyists, industrial designers, prototype…
We've heard you, and made a number of improvements to our EL Shield. The new version adds zero-crossing optoisolated triacs f…
MP3 decoding is now even easier! This is the popular VS1011 single-chip MP3 audio decoder from VLSI is an easy to solder SOIC…
This is the Circuit Scribe Conductive Ink Pen, a simple looking ball-point pen that allows you to draw circuits instead of so…
This is an 8GB micro SDHC card that is pre-installed with the Raspbian operating system for the Raspberry Pi. This SD card an…
Yes you read that correctly - 10Farad capacitor. This small cap can be charged up and then slowly dissipated running an entir…
Have you ever needed a cheap way to activate something from across the room? Infrared remotes are still the cheapest way to w…
These color-changing LEDs take the work out of creating crazy, flashy, blinky... ness. Simply apply power and the LED will cy…
Are you trying to make a quick dime from electronics? Why limit yourself to dimes? This coin acceptor will take three differe…
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 w…
The SparkFun LED Array is a set of 56 red LEDs arranged in a nice 8x7 grid. This little board requires eight pins while the l…
This is a perfect choice if you are in need of a heavy duty push button! These metal push buttons are a very tough, small, pa…
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…
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