Sparkfun

The RedBot Mainboard is a robotic development platform that works with the Arduino IDE. The RedBot is a motor driver and Ardiuno combination with v...

The Line Follower sensor is an add-on for your RedBot that gives your robot the ability to detect lines or nearby objects.  The sensor works by det...

These simple switches are the Mechanical Bumper sensor for the SparkFun RedBot, giving you the ability to detect a collision before it really happe...

This is a small device called a [reed switch](http://en.wikipedia.org/wiki/Reed_switch). When the device is exposed to a magnetic field, the two fe...

This is a small device called a [reed switch](http://en.wikipedia.org/wiki/Reed_switch). When the device is exposed to a magnetic field, the two fe...

This is a 10 meter (33 ft) long Male TNC to Male SMA cable with injection molded stress-relief boots. This is an excellent cable for connecting one...

This is a 300mm (1 foot) Male TNC to Male SMA cable with injection molded stress-relief boots. This is an excellent cable for connecting one of our...

These are high quality Single Pole - Double Throw (SPDT) sealed relays. Use them to switch high voltage, and/or high current devices. This rela...

DC Power Relays interrupt high-capacity DC loads and high-voltage DC circuits in a compact, low-noise design. The switching section and driving sec...

These are massive single pole - double throw (SPDT) sealed relays. This means that when current is applied to the coil it throws a simple changeove...

This is a handy little device that can save your system from smoking. A resettable fuse (also known as a [PTC](http://en.wikipedia.org/wiki/Positiv...

1.0M Ohm, 1/4th Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards.We\'ve opted for a new and more breadboard-frien...

These are your run-of-the-mill 1/4 Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and other prototyping applications, these 100...

These are your run-of-the-mill 1/4 Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and other prototyping applications, these 10K...

1/6th Watt, +/- 5% tolerance PTH resistors. Commonly used in PCBs and perf boards, these 10K resistors make excellent pull-ups, pull-downs, and cur...

1/6th Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards, these 10K resistors make excellent pull-ups, pull-downs, ...

These are your run-of-the-mill 1/4 Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and other prototyping applications, these 1K ...

These are your run-of-the-mill 1/4 Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and other prototyping applications, these 1M ...

This is a 220 Ohm, 1/4th Watt, +/- 5% tolerance PTH resistor. Commonly used in breadboards and perf boards. We\'ve opted for a new and more breadbo...

These are your run-of-the-mill 1/4 Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and other prototyping applications, these 330...

1/6th Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards, these 330Ohm resistors make excellent LED current limiter...

Resistors are a good thing, in fact, they\'re actually crucial in a lot of circuit designs. The only problem seems to be that resistors disappear i...

  Resistors are a good thing, in fact, they're actually crucial in a lot of circuit designs. The only problem seems to be that resistors disappear ...

This little piece of notched plastic is a Resistor Lead Bending Tool. Sometimes referred to as a “forming” tool, this little guy provides you with ...