Sparkfun

This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. This button...

This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. This button...

This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. This button...

This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. This button...

This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. This button...

The US1881 is an integrated Hall-Effect latched sensor. That\'s nice but what does it do? Holding a magnet near the sensor will cause the output pi...

An adjustable potentiometer can open up many interesting user interfaces. Turn the pot and the resistance changes. Connect VCC to an outer pin, GND...

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 with once you have one...

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 plate and two threaded nuts...

This a simple breakout PCB for our [2x2 silicone button pads](https://www.sparkfun.com/products/7836). Each LED and button is brought out to the si...

Ever hear of a thing called RGB? Red, Green, Blue? How about an RGB LED? These 5mm units have four pins - Cathode is the longest pin. One for each ...

This is Atmel\'s high performance, low power 8-bit AVR ATMega328 microcontroller in a pint-sized TQFP package. Yes, [you really can solder that](ht...

This is a standard 12mm square momentary button. What we really like is the large button head and good tactile feel (it \'clicks\' really well). Th...

4-way Pacman type arcade joystick. Heavy duty design gives this joystick a great feel! **Features:** * ABS plastic and solid alloy construction *...

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 with...

This is a 33mm round momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. **Features:*...

A small audio speaker that is ideal for radio and amplifier projects and is small enough to fit in robot projects. **Features:** * Small Size * P...

This is a simple knob that connects to the [extra large](https://www.sparkfun.com/products/9119) sized linear slide potentiometer. Each knob uses f...

This is a 12-step rotary encoder with a nice \'clicking\' feel. It\'s breadboard friendly, and has a pretty handy select switch (by pushing in on t...

A simple slide potentiometer can go a long way. Rated at 10kOhm and 0.5W. Comes with solder tab connections. The taper profile for this slide can b...

Atmel\'s ATmega328P 8-Bit Processor in 28 pin DIP package. It\'s like the ATmega168, with double the flash space. 32K of program space. 23 I/O line...

This is a joystick very similar to the \'analog\' joysticks on PS2 (PlayStation 2) controllers. Directional movements are simply two potentiometers...

Electrolytic decoupling capacitors 1000uF/25V. These capacitors are great transient/surge suppressors and work well in high-voltage and audio appli...

These are small rare earth magnets - 3/16\" rings. Composed of Neodymium/Iron/Boron (NdFeB), these magnets are curiously strong and make for a grea...