Are you looking to add a lot of color to your project? These massive 32x32 RGB LED panels are an …

Resistors are a good thing, in fact, they're actually crucial in a lot of circuit designs. The only problem seems to b…

This is the HP QDSP-6064 bubble display, a tiny, 4-digit, 7-segment numerical indicator. THis little guy is perfect i…

This is the new revision of the kit. We switched to a better trimpot and green LED. This is a kit that gives you all of th…

VS1053b from VLSI is a single-chip Ogg Vorbis/MP3/AAC/WMA/MIDI audio decoder and an IMA ADPCM and user-loadable Ogg Vorbis …

 Are you looking to add a lot of color to your project? These large 32x16 RGB LED panels are an awesome p…

 Gone are the days that you have to worry about silicone water proofing splitting and breaking on you! These are seale…

 These are extended range 4" speakers, ideal for any medium sized application where you need a little more range …

Want to control a standard wall outlet device with your micro controller, but don't want to mess with the high voltage …

These are extended range 2.5" speakers, ideal for any smaller application where you need a little more range than som…

This is a joystick very similar to the 'analog' joysticks on PS2 (PlayStation 2) controllers. Directional movement…

This is a thermal printer like you would find on a cash register or adding machine. It will print simple strings passed to…

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 20…

 Gone are the days that you have to worry about silicone weather proofing splitting and breaking on you! These are sea…

 These are bare addressable 1 meter long RGB LED strips that come packed with 60 WS2812s per meter. As these are …

Thermoelectric coolers (TEC or Peltier) create a temperature differential on each side. One side gets hot and the other sid…

Ever hear of a thing called RGB? Red, Green, Blue? How about an RGB LED? These 5mm units have four pins - Cathode is the lo…

 These are bare addressable 5 meter long RGB LED strips that come packed with 60 WS2812s per meter. As these are …

4-digit 7-segment displays are really neat little devices, it's a shame that they can be so cumbersome to control. Wel…

EL inverters allow you to drive EL (electroluminescent) wires. This particular EL inverter accepts a 12 VDC wall adapt…

If you've ever wondered how to control the headlight of a car from a microcontroller, a MOSFET is what you need. This …

These are high quality Single Pole - Double Throw (SPDT) sealed relays. Use them to switch high voltage, and/or high curren…

4-digit 7-segment displays are really neat little devices, it's a shame that they can be so cumbersome to control. Wel…

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, …

This is the medium sized LED Matrix with a backpack that has been designed to take SPI serial input and display any graphi…

 This is the basic LD1117V33 voltage regulator, a low drop positive regulator with a 3.3V fixed output voltage. T…

Faster, cheaper, smaller, better, right? The SN754410 Quad Half H-Bridge is just that. Capable of driving high voltage moto…

We've heard you, and made a number of improvements to our EL Sequencer. The new version adds zero-crossing optoisolate…

  This 1024 pulse per rotation rotary encoder outputs gray code which you can interpret using a microcontroller and fi…

These transformers are capable of creating spark gaps up to about half-an-inch. They work really well as an ignition sourc…

Piezo elements come in handy when you need to detect vibration or a knock. You can use these for tap or knock sensors pret…

We use these little buttons on everything! These Miniature Single Pole Single Throw switches have a good click to them and …

A basic 12 button keypad for user input. The buttons are setup in a matrix format. This allows a microcontroller to 's…

This is a very thin flexible speaker with included amplifier, perfect for wearable applications where you need a little so…

There are lots of trimpots out there. Some are very large, some so small they require a screwdriver. Here at SparkFun, we …

These color-changing LEDs take the work out of creating crazy, flashy, blinky... ness. Simply apply power and the LED will…

This is a standard 12mm square momentary button. What we really like is the large button head and good tactile feel (it …

 This is the NeoPixel NeoMatrix from Adafruit a large board with 64 WS2812 RGB LEDs arranged in an 8x8 matrix. Each LE…

The seven band graphic equalizer IC is a CMOS chip that divides the audio spectrum into seven bands. 63Hz, 160Hz, 400Hz, 1k…

4-way Pacman type arcade joystick. Heavy duty design gives this joystick a great feel! Features: ABS plastic …

These motorized sliders are very cool. Each is essentially a standard slide pot which is belt-driven by a small motor. The…

It's the end of the world, and you need a button to press. This is it. A 100mm diameter (outside diameter) dome illumi…

Ever hear of a thing called RGB? Red, Green, Blue? How about an RGB LED? These 5mm units have four pins - Cathode is the lo…

We've heard you, and made a number of improvements to our EL Shield. The new version adds zero-crossing optoisolated t…

Simple shift register IC. Clock in data and latch it to free up IO pins on your micro.  Check out this tutorial o…

Rotary encoders can be used similarly to potentiometers. The difference being that an encoder has full rotation without li…

 Simple SPDT slide switch. Rated at 30V/200mA. The pins have .1" spacing - fits great into a breadboard! Use it a…

This is a heavy duty SPST toggle switch - your basic on/off toggle. Rated for 2A at 250V or 4A at 125V. Includes a face pl…

This is a small 12mm round speaker that operates around the audible 2kHz range. You can use these speakers to create simple…

These tactile buttons are great for all sorts of projects. This assortment comes with 2 of each of 6 different colors for …