Sparkfun

Check out these big 10mm through-hole LEDs! The opaque epoxy package causes these LEDs to have a soft, diffuse glow. **Features:** * 465-470nm Bl...

Check out these big 10mm through-hole LEDs! The opaque epoxy package causes these LEDs to have a soft, diffuse glow. **Features:** * 587-591nm Ye...

Check out these big 10mm through-hole LEDs! The opaque epoxy package causes these LEDs to have a soft, diffuse glow. **Features:** * 520-525nm Gr...

Check out these big 10mm through-hole LEDs! The opaque epoxy package causes these LEDs to have a soft, diffuse glow. **Features:** * 620-625nm Re...

Potentiometers are incredibly useful, whether you\'re controlling the volume on your stereo or the \'mood lighting\' in your room. The problem with...

This is a small device called a [reed switch](http://en.wikipedia.org/wiki/Reed_switch). When the device is exposed to a magnetic field, the two fe...

This plastic knob accepts a 6mm shaft and has a 15mm outer diameter. They simple press-fit onto a shaft. These are clear so that they can be used w...

Rubber feet raise your PCB or project up off your desk. This helps prevent short circuiting from bits of scrap wire floating about or setting a pro...

This is a 34\' roll of thermal printing paper for use with our thermal printer. This roll is smaller than you find at most office supply stores so ...

The seven band graphic equalizer IC is a CMOS chip that divides the audio spectrum into seven bands. 63Hz, 160Hz, 400Hz, 1kHz, 2.5kHz, 6.25kHz and ...

This is a simple LED-illuminated tactile button with a clear cap. It\'s just like a basic tactile button, but it lights up blue! So now you can get...

This is a simple LED-illuminated tactile button with a red cap. It\'s just like a basic tactile button, but it lights up red! So now you can get vi...

This is a simple LED-illuminated tactile button with a green cap. It\'s just like a basic tactile button, but it lights up green! So now you can ge...

This is a simple LED-illuminated tactile button with a clear cap. It\'s just like a basic tactile button, but it lights up white! So now you can ge...

If you\'ve ever wondered how to control the headlight of a car from a microcontroller, a MOSFET is what you need. The IRF5305 is a very common MOSF...

These tactile buttons are great for all sorts of projects. This assortment comes with 2 of each of 6 different colors for a total of 12 buttons. Th...

The new generation 18 pin PICAXE microcontroller now has parallel tasking, touch sensors and more memory/RAM. See the [Info Sheet](http://www.rev...

This is a glass ferrule type fuse. It fits great with our 5mm fuse clips. The fuse is rated for 250VAC, up to 500mA. Fuses are pretty simple, if mo...

Here we have some right-angle headers with 40x3 pins. They are break away and will take a bit of effort to break this beast where you need it to br...

[RTC](http://en.wikipedia.org/wiki/Real-time_clock) stands for real time clock folks. The DS3234 is a low-cost, extremely accurate SPI bus RTC with...

Sometimes you want a small input and a single button just won\'t cut it. A 5-way tactile switch allows for a joystick-like interface in a very smal...

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 and yellow LEDs (10 of each) al...

Knobs are a great way to finish off your project and make it easier to adjust the level of your death ray. This knob mates to a 6mm (+/- 0.3mm) sha...

Knobs are a great way to finish off your project and make it easier to adjust the level of your death ray. This knob mates to a 6mm (+/- 0.3mm) sha...