The KTA-223 Relay Board is a USB or RS485 controlled module that can interface a PC to eight or more SPDT relays. This could be very useful for controlling real world devices - such as lights and sprinkler systems - and reading sensors...

This is a thermal printer like you would find on a cash register or adding machine. It will print simple strings passed to it via TTL serial, bitmap images (poorly) and it even generates several different formats of barcodes! The thermal...

This non-contact infrared thermometer makes it a breeze to take quick and accurate surface temperature readings without getting too close for comfort. Laser sighting ensures that you’re pointing at the right spot: Simply pull the trigger...

This is the SparkFun MOSFET Power Control Kit, a breakout PTH soldering kit for for the RFP30N06LE N-Channel MOSFET. This kit is extremely simple to assemble with only 10 pins to solder. If you are looking for a little more control over...

This is the same Roving Networks Bluetooth module that you already know and love, but it comes firmware-configured for the HID protocol. HID, or “Human Interface Device,” is the communication protocol used for computer peripherals such...

Digital calipers are an absolute essential. Here at SparkFun we use them all the time. These premium calipers come with an extra battery and auto shut-off. Measurements can be taken in either metric or standard. The calipers are 6" in...

This vacuum pump really sucks! This pump operates at 12V and has enough suction for most small projects. We even used one to make our very own universal gripper using coffee grounds, balloon and some other parts. Features: Diaphragm Type...

Description Standard S-Video cable, terminated with gold-flashed male connectors at both ends. Dimensions: 12 feet

These are various leaded cables for attaching to multimeters, power supplies, oscilloscopes, function generators, etc. 5 pairs of IC Hook to IC Hook test leads. Comes with Black, Red, Blue, Green, and Yellow colored leads. Dimensions:...

Yes you read that correctly - 10Farad capacitor. This small cap can be charged up and then slowly dissapated running an entire system for hours. Combine two in series for 5F/5V. Do not over voltage or reverse polarize these capacitors....

This is a simple knob that connects to the motorized slide potentiometer. Each knob uses friction to secure itself to fit onto the slide pot. Once attached, this small knob provides you with an easier to use potentiometer for your project!

The Panavise Jr. is a great vise with a vacuum base. Its jaws open up to about 3" and have grooves for PCBs. It’s perfect for light duty field repairs, electronics, hobby and dozens of other projects. This is an exceptionally...