Sparkfun

A simple slide potentiometer can go a long way. Rated at 10KOhm and 0.1W. Comes with solder lug connections. The pot has an overall travel of 20mm ...

  This shield allows you to use a computer power supply (or other power source) to use your Arduino to switch high current. With RFP30N06LE MOSFETS...

Holy Wattage, Batman! This Power Resistor Kit comes with 5 each of 5 different 10 Watt resistor values including 1, 2, 4, 8, and 16 Ohms. These res...

Holy Wattage, Batman! This Power Resistor Kit comes with 5 each of 5 different 10 Watt resistor values including 1 Ohm, 2 Ohm, 4 Ohm, 8 Ohm, and 16...

Does your project need a little more *umph* than our wall wart adapters can supply? Why not give this a shot? This 2A \"laptop brick\" supply outpu...

This is a high quality power supply manufactured specifically for SparkFun Electronics that packs a lot of power; 20W at 5V and 4000mA! This power ...

This is the MS5803-14BA Pressure Sensor Breakout, a high resolution pressure sensor with both an I2C and SPI interface. This MEMS pressure sensor m...

Here at SparkFun, we refuse to leave 'good enough' alone. That's why we're adding to our line-up of Arduino-compatible microcontrollers once more! ...

Here at SparkFun, we refuse to leave \'good enough\' alone. That\'s why we\'re adding to our line-up of Arduino-compatible microcontrollers once mo...

Here at SparkFun, we refuse to leave 'good enough' alone. That's why we're adding to our line-up of Arduino-compatible microcontrollers once more! ...

Here at SparkFun, we refuse to leave \'good enough\' alone. That\'s why we\'re adding to our line-up of Arduino-compatible microcontrollers once mo...

The name of this part pretty much says it all! This is the Proto Pedal Enclosure, a custom-machined aluminum case designed specifically for the Spa...

LEDs - those blinky things. A must have for power indication, pin status, opto-electronic sensors, and fun blinky displays. This is a handy select...

This is a very simple but extremely handy, 1\" square, single sided perf board. Standard 0.1\" spacing with a 4-40 (3mm) hole for mounting. Every t...

This is a very simple but handy, 2\" square, double sided perf board. Standard 0.1\" spacing with a 4-40 (3mm) holes for mounting. Great for quickl...

An empty canvas for electrical enthusiasts! Designed to fit the SFE project enclosures this project board gives you of building space for through-...

The ScrewShield extends all pins of the Arduino out to 3.5mm pitch screw terminals. It also has a lot of the utility provided by Arduino Protoshiel...

This is a small prototyping shield for the Arduino Pro Mini. If your project requires just a little bit more space for your external circuitry, thi...

  The ProtoSnap series is a new way to prototype your project without a breadboard. Everything is wired together on a single board, which makes i...

The ProtoSnap series is a great way to prototype your project without a breadboard. Everything is wired together on a single board, which makes it ...

The ProtoSnap series is a new way to prototype your project without a breadboard. Everything is wired together on a single board, which makes it ea...

  The ProtoSnap is an Arduino-compatible development platform aimed at teaching the basics of Arduino programming as efficiently as possible. It ...

Heart rate data can be really useful whether you’re designing an exercise routine, studying your activity or anxiety levels or just want your shirt...

Heart rate data can be really useful whether you\'re designing an exercise routine, studying your activity or anxiety levels or just want your shir...