Components

Thermocouples are best used for measuring temperatures that can go above 100 °C. This is a bare wires bead-probe which can measure air or surfac...

These DC powered heating pads are perfect for near-body heating applications. They get warm to the touch but not too hot. Simply apply 5VDC to the ...

It’s the end of the world, and you need a button to press. This is it. A 100mm diameter (outside diameter) dome illuminated push button comes wi...

This 10W super bright LED can be used as a flash searchlight for your robot projects. It consists of 9 separate LEDs and has a luminance o...

These panel-mounting rocker switches have built-in indicator lights to let you know when your switch is engaged. They mount into a 20.2mm diameter ...

This connector is a single-row, 8-pin, straight female header strip designed to match 0.1" male headers. The order quantity must be a multiple of ...

Put your project in stealth mode with these silent Soft Tactile Switch Buttons.  Tactile switches are standard input "buttons" on electronic pro...

This is an IC Test Clip for 8-pin small outline integrated circuits (SOIC). This test clip assures a secure connection to all chip leads on an 8-pi...

Bare Conductive’s Electric Paint is just like any other water-based paint… except that it’s electrically conductive! This means that you can actual...

Fire up your engines because these are the hot-rods of toggle switches! Equipped with an aerodynamic red protective casing, and a red LED at the ti...

If you ever find yourself connecting handfuls of resistors to the ground bus of your breadboard, you may consider these SIL-packaged resistors as a...

This is an SMD 12mm square SPST button. What we really like is the large button head and good tactile feel (it ‘clicks’ really well). This button i...

This #4-40, pan-head screw is 1/2″ (0.5″) long. It is made from steel, is zinc-plated, and comes in packs of 25.

Check out these big 10mm through-hole LEDs! The opaque epoxy package causes these LEDs to have a soft, diffuse glow.

Check out these big 10mm through-hole LEDs! The opaque epoxy package causes these LEDs to have a soft, diffuse glow.

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...

Female header is like the duct tape of electronics. Its great for connecting things together, soldering to perf-boards, sockets for wires or bre...

If you’ve ever wondered how to control the headlight of a car from a microcontroller, a MOSFET is what you need. The FQP27P06 is a very common MOSF...

This is the basic L7812 voltage regulator, a three-terminal positive regulator with a 12V fixed output voltage. This fixed regulator provides a loc...

These digital (LH) British Telecom connectors are primarily used by our English friends across the pond but here at SparkFun we like to use them...

This is a 3.5mm TRRS SMD audio jack. TRRS connectors are the audio-style connectors that you see on some phones, MP3 players and development boa...

Most of our customers love using the Arduino for prototyping, design and invention but find themselves stuck when trying to connect the Arduino ...

If you want to make a kit you'll need some solder. This 0.1 lb (about 50 grams) spool is a good amount, not too much (like 1 lb spools) and not too...

Need some indicators? We are big fans of these diffused white LEDs, as featured in the LoL shield. They are really bright so they can be seen in...