This is a 33mm round momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect f…

These are various leaded cables for attaching to multimeters, power supplies, oscilloscopes, function generators, etc. Cabl…

These precision gearmotors are incredibly tough and feature full metal gears to help you drive wheels, gears, or almost an…

This is a 33mm round momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect f…

Rotary encoders can be used similarly to potentiometers. The difference being that that an encoder has full rotation witho…

Set screw hubs offer a cheap way to attach hub mount gears or wheels to a shaft. The hub offers 4 equally spaced…

5" hemostats with a curved tip. We use them to hold wire wrap wire in place when we're 'green wire' fixing…

Standard frequency crystals - use these crystals to provide a clock input to your microprocessor. Rated at 20pF capacitance…

These standard gearmotors are incredibly tough and feature full metal gears to help you drive wheels, gears, or almost any…

Do you fear that your power may not be "far reaching" enough? How would another 3' work for you? Okay, so it…

These Large Insulated Alligator Clips are great for clamping anything that you don't want to deform yet large enough t…

Want to build your own robots, turn your ideas into prototypes, or control devices with a computer? It's a snap with t…

For a long time we've had small 7-segment displays and huge 7-segment displays, but now we finally have something in b…

These heavy duty wheels have a diameter of 4” and a width of 1”. They have a hard inner plastic core and a smo…

Whisker Switches - Very sensitive lever switches. Great for detecting objects such as other sumo bots, walls, balls, etc.…

Through hole 12mm coin cell holder. It's the unit we like to use as RTC backup and SRAM backup for GPS units. Holds bat…

These couplers allow you to connect a 1/4” shaft directly to your C1 Hitec servo spline. The set screw included with …

This is a sensitive gate TRIAC (also known as a thyristor) with a 200V blocking voltage in a bread board friendly TO-92 pa…

EL wire, or electroluminescent wire, is a flexible wire coated in phosphor. Apply the appropriate voltage and it lights up…

Hot-air rework nozzles compatible with all of our rework stations. Sold in single units by model number. Documents: …

This heavy-duty, 3-pole, double throw toggle switch is rated for up to 15 Amps of current. It can be panel mounted with a …

 These are standard 0.1" spaced header pins that can be through-hole mounted. This header connects perfectly…

This is the type of switch you often find used as the pickup selector on electric guitars. The lever clicks through five d…

The Arduino Leonardo arrived on the scene to great applause. This was followed by the creeping realization that, because o…

Standard 22 AWG solid Brown hook up wire. Use this with your bread board or any project in which you need sturdy wire. Come…

These precision gearmotors are incredibly tough and feature full metal gears to help you drive wheels, gears, or almost an…

These lightweight servo hubs are ideal for attaching wheels, gears, or any heavy duty servo horns directly to your C1 Hite…

A simple SMD slide switch. Perfect for when you need access to a setting or a power switch from the edge of a PCB buried d…

This is a simple USB serial interface to mate with the Nike+iPod product. Use this breakout board to send and receive seri…

This is just your basic reversible screwdriver - pocket sized! Both flat and phillips heads available. Comes with pin clip…

These collars clamp to a ¼” shaft and feature a lip edge which helps eliminate friction when used with a ball …

This is a 1A Adjustable SOT-223 voltage regulator capable of outputting 1.2V to 18V. The LM1117 uses the same pin-out and s…

Power on the go? Why didn't you ask? We've got plenty! These portable, rechargeable lithium-polymer battery packs …

This retail package includes 4 different colors of our 10 segment bar graph LEDs and the resistors you need to get them ho…

Huge 10mm through hole LEDs. Features: 515-520nm Green 3.0-3.4VDC Forward Voltage 80mA Forward Cu…

This servo plate allows you to mount your standard-sized servo inside Actobotics channels. The bracket has 4 6-32 tapped h…

There are more and more hobbyists taking advantage of surface mount technology these days. With affordable tools like hot …

Unsoldered iPod Connector, Comes in 7 Pieces. Easy to Assemble. Documents: Style 1 iPod Connector Datasheet

Description: Ever wonder what goes on inside these things? Well this clear bread board might enlighten. Beyond the cl…

Get your PIC or other uC talking to your computer fast and easy with this board! This is a small custom PCB developed to co…

This is a fairly large, 80x80x15mm fan. The fan has a DC brushless motor, with an operating voltage of 12V, and is rated at…

Used for programming, this cable allows the PICAXE to be connected to any computer with a serial port. The folks at PICAXE…

These linkages use 6-32 screw rod (not included) to create custom arms for just about any application. They have a 1/4&quo…

This switch is about the same size as our right angle rocker switch except that it's double-pole double-throw. It'…

We all know that you can never get too many LEDs. Don't worry, we've got you covered. This is a pack of 25  LE…

This is a simple microphone preamplifier circuit for a wide range of microphone types, with good pre-amplification to atta…

This is a 8-pin female header, with extra long legs that are slightly offset. The offset helps correct for the weird 0.16&q…

Light pipe is very cool stuff. It transmits light along its length, like fiber optic cable, but it also "leaks" …

The QRE1113 is a small IR reflectance sensor. This sensor is often used in line following robots because, if  it can s…

This is three feet of circuit tape that has been designed for the ELastoLite® electroluminescent line of products…