Sparkfun

USB-C is quickly becoming more and more prominent in the maker community because, let's be honest, who likes trying three times to insert USB into...

This diode-transistor photocouplers consist of an LED, optically coupled to a high speed photodetector to transmit electrical signals between circ...

Add another eight pins to your microcontroller using a MCP23008 port expander. The MCP23008 uses two I2C pins which can be shared with other I2C de...

Have you ever wanted to control something powerful or have you ever needed to turn on/off a high power device from your Arduino or another low pow...

This is a class 10, 16GB, micro SDHC card that has been pre-installed with the NOOBS (version 3.2.0) operating system for the Raspberry Pi produced...

This is a class 10 16GB microSD memory card, perfect for housing operating systems for single board computers and a multitude of other information...

This is the 8x8 SparkFun LuMini LED Matrix, packed with 64 individually addressable LEDs, each capable of producing 16 million colors, it provides...

The Bourns Absolute Encoder is a digital control knob that provides 128 unique results evenly spaced around a full circle. It is designed as a cont...

This little round on/off/on toggle switch is rated up to 10A at 125VAC and can be panel mounted in a 20mm diameter hole. It'll also look pretty sl...

You don't have to worry about adding a resistor to an LED if you get an LED with a built in resistor! This pack contains 20x 5mm LEDs in four diffe...

This is the one inch version of the SparkFun LuMini LED Ring, packed with 20 individually addressable LEDs, each capable of producing 16 million co...

This is the two inch version of the SparkFun LuMini LED Ring, packed with 40 individually addressable LEDs, each capable of producing 16 million c...

The SparkFun gator:color ProtoSnap is one of a series of gator-clippable accessories called gator:boards created to directly interface with the mic...

This is a simple knob that connects to the [small](https://www.sparkfun.com/products/11620) and [medium](https://www.sparkfun.com/products/11621) ...

This is a simple, subminiature size, axial lead mounted rectifier diode. Often used for reverse voltage protection, the 1N4004 is a staple for man...

This version of the APA102C (or “DotStar”) is the regular, 5050-sized (5mmx5mm) SMD LED. With an integrated control circuit embedded, the APA102C-...

This is a class 10 32GB microSD memory card, perfect for housing operating systems for single board computers and a multitude of other information...

This is a basic 12 button keypad that has been designed for easy user input and functionality. The buttons are set up in a matrix format. This all...

An adjustable potentiometer can open up many interesting user interfaces. With this rotary potentiometer just turn the dial and the resistance cha...

An adjustable potentiometer can open up many interesting user interfaces. With this rotary potentiometer just turn the dial and the resistance cha...

This version of the APA102 (or “DotStar”) is an astoundingly tiny, 8-pin, 2020-sized (2x2mm) SMD LED. With an integrated control circuit embedded,...

You don\'t have to worry about adding a resistor to an LED if you get an LED with a built in resistor! This pack of 25 green 5mm LEDs will help al...

It\'s tiny, it\'s handy, and it can give your normal USB-equipped device a micro-B connector! With the USB to Micro-B Adapter you can make a flash ...

You don\'t have to worry about adding a resistor to an LED if you get an LED with a built in resistor! This pack of 25 blue 5mm LEDs will help all...