Have you ever wanted to control the flow of a liquid using your computer or microcontroller, but didn&rsquot know how? Well, here&rsquos how: The 12V solenoid controlled fluid valve.

Need range? The 2.4GHz Large Duck Antenna 5dBi with Reverse Polarized - SMA RF connector is perfect for you.

Classic 9V connector terminated with 2-pin polarized Molex connector.    

This is an os card for our RFID readers . The SparkFun L eid RFID Breakout converts the 2mm pins to the breadboard in a friendly 0.1 "headers. With this ability the ID-3LA, ID-12LA, and ID-20LA you can weld the reader directly to the header or use the 2 mm connectors

The TL431A is a three-terminal adjustable regulator with a guaranteed thermal stability over applicable temperature ranges.

Basic breakout board for the TEMT6000 Ambient Light Sensor.

This analog panel meter measures DC voltage from 0-5 volts with 2.5% accuracy.

These headers are made to work with the Arduino Uno R3, Leonardo and new Arduino boards going forward.

Battery for AC inverter by EL Wire .

This 2xAA Battery Holder is a nice touch in your battery powered design.

This 2xAA battery holder puts a nice finishing touch on your battery powered project. 

It's the end of the world, and you need a button to press. This is it!

It's the end of the world, and you need a button to press. This is it!

It's the end of the world, and you need a button to press. This is it!

Big Easy Driver

This is a 35mm Concave Momentary Push Button similar to the ones you find on arcade games. 

This is a 35mm Concave Momentary Push Button similar to the ones you find on arcade games.

This is your standard solderless breadboard - three binding posts, two power buses, black aluminum plate backing.

This board was designed to give the user a low profile button without any sharp edges.

O AT42QT1010 SparkFun Capacitive Touch Breakout oferece um único botão de toque capacitivo com pinos de I/O digitais fáceis de usar.

This 12V car adapter jack allows you to plug your project into your car&rsquos cigarette lighter for power on the go.

This LilyPad Coin Cell Battery Holder has a small slide switch installed on the board, in-line with the power so you can shut off your project and save batteries.