This is a 3-terminal microswitch, with a small push-button. This switch has a great 'clicky' sound to it, and a ni…

This is a basic RFID tag that functions within the MIFARE Classic 1K guidelines. You can use these for all sorts of identi…

 PCB mount clip to hold a AAA battery. Sold in single units, you'll need two for each battery. These work great fo…

These acrylic mounts are used to attach a miniature microswitches to a slotted surface like an Actobotics channel, making …

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 LEDs all…

The is a wonderfully simple 5V power source from Bodhilabs. This unit uses a two AA batteries and generates 5V using a DC t…

These analog (RH) British Telecom connectors are primarily used by our English friends across the pond but here at SparkFu…

These micro gearmotors are incredibly tough and feature full metal gears. They have a gear ratio of 30:1 and operate up to…

 This is a 1.75" long JST SH communication cable which can be cut and hacked to your needs and can even be u…

The serial enabled LCD allows you to control a parallel based LCD over a single-wire serial interface. Included in this pr…

 These clamping hubs are a great and cost-effective choice when attaching hub mount gears or wheels to shafts or tubes…

The swivel hub lets you connect any two parts with the 0.77" hub pattern together and have them swivel a full 360 deg…

These micro gearmotors are incredibly tough and feature full metal gears. They have a gear ratio of 250:1 and operate up t…

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

If you need to get your MagJack into a breadboard, this is for you. This board exposes all pins, LEDs, and housing with br…

Not sure what resonator frequency you might need? Looking to stock up your parts bin? Get this kit of all our resonators! …

These headers are made to work with the Arduino Main Board, Arduino Pro, and the Arduino Mega.  They are the perfect …

16 megabit DataFlash EEPROM. Need storage space? How about 2 meg? This new type of flash from Atmel opens the door to exte…

Itty-bitty U.FL SMD connector. Great for tight PCB layouts that require antenna connections. Documents: Datasheet

These connectors are really useful as power connectors in prototyping or in projects that are repeatedly assembled and dis…

These extension cables have a type A male connector on one end that plugs into any computer. The opposing end has a female…

Forrest M. Mims III has written more than sixty books about science, lasers, computers, and electronics. In 1993, He recei…

Simple RCA jack. Can be used on any project requiring RCA Audio, Video, or simple analog transmission. Documents: …

We don't want to hype this solder TOO much, but this could possibly be the best solder in the world. There, we've …

The Pololu Pushbutton Power Switch is a compact, solid-state power switch controlled by a momentary pushbutton switch. Beca…

Forrest M. Mims III has written more than sixty books about science, lasers, computers, and electronics. In 1993, He recei…

These plastic LED holders have a black finish and only need the LED and the holder to be snapped into place easily and&nbs…

 These 90° clamping hubs provide a great way to attach a 5/8” diameter tube or shaft to a 1/2" dia…

This is a piezoresistive force sensor. The harder you press, the lower the sensor's resistance. Pressing hard, the res…

Nordic Semiconductor nRF24L01+. Transceiver chip operating in the 2.4GHz band. Take all the coolness of the nRF2401A and a…

This is a red insulated binding post. These binding posts do accept banana plugs, and are a great way to connect single-wi…

These pinion gears attach to a ¼” D-shaft or gear motor using a setscrew. They have 16 teeth with a gear pitch…

Who doesn't love the soft glow of electroluminescence? This EL tape is a flexible plastic ribbon which contains a phos…

Miniature Single Pull Single Throw switches. These are high quality Omron type B3F momentary on switches. This switch has a…

Dip sockets for all your prototyping needs.  If you've ever had to de-solder a dip part from a circuit board, you …

You can never have too many LEDs. Don't worry, we've got you covered. This is a pack of 100 LEDs all conveniently p…

The LectroCandle is a simple, through-hole kit, comprised mainly of 3 RGB LEDs and an ATtiny85 to control them. Essential…

 These standard rotation 7:1 gear ratio channel gearbox kits incorporate threaded side mounts to easily attach a stand…

Ever wanted to see what's on that SIM card? Use these sockets in your next project to interface to any old SIM. 6-Pin s…

 These aluminum beams are great for making unique links and connections in your Actobotics project thanks to 21 thru-h…

The longer you tinker, the more small parts you'll collect. Eventually, they won't all fit in that empty coffee mu…

This is a replacement soldering tip for our 30W Soldering Iron. This is a conical type of soldering tip, and is the same ve…

This book is a complete electronics course in 128 pages! Author Forrest Mims teaches you the basics, takes you on a tour o…

These single channel 90 degree angle brackets mate directly to Actobotics channels and hub mounts and are useful as attach…

30 AWG wire for wire wrapping. Comes in Red, Black, and Yellow! Very important to color code projects. Or else at 2am: &quo…

Forrest M. Mims III has written more than sixty books about science, lasers, computers, and electronics. In 1993, He recei…

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

This one is for all you audio geeks out there. If you are going to play with MIDI accessories you'll likely need a cab…

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

 This is a SMD 6 pin right angle female header. We realized that we have had the male version of this header available…