New Arrivals

That new Raspberry Pi® Model B+ computer you just got has a row of 2x20 pin headers soldered on - those are the GPIO (general purpose input/output)...

INTRODUCTION An Arduino UNO has a limited number of GPIO pins - but what if it is not enough? The GPIO expansion shie...

The Raspberry Pi B+ has landed on the Maker World like a 40-GPIO pinned, quad-USB ported, credit card sized bomb of DIY joy. And while you can use ...

A button is a button, and a switch is a switch, but these translucent arcade buttons are in a class of their own. Particularly because they have...

These smooth (round) belts have a Durometer hardness of A70 and can withstand temperatures from -35 to 250 degrees F. Their elastic nature allow...

Add lots of touch sensors to your next microcontroller project with this easy-to-use 12-channel capacitive touch sensor breakout board, starring th...

A button is a button, and a switch is a switch, but these translucent arcade buttons are in a class of their own. Particularly because they have...

The Raspberry Pi A+/B+/Pi 2/Pi 3/Zero has landed on the Maker World like a 40-GPIO pinned, quad-USB ported, credit card sized bomb of DIY joy. And ...

These pinion gears attach to a ¼” D-shaft or gear motor using a setscrew. They have 20 teeth with a gear pitch of 32P, an outer diameter of 0.68...

This is a 5mm PTH fuse clip intended to be used with our Glass Fuses. Note: These are sold in single units. If you intend to secure a fuse using t...

This is a glass ferrule type fuse. It fits great with our 5mm fuse clips. The fuse is rated for 125VAC, up to 5A. Fuses are pretty simple, if more ...

These 9" long stainless steel shafts have a diameter of ½". These shafts are solid, which makes them an ideal choice for axles. These shafts have a...

Aavid Thermalloy Theragrip is a double sided tape for ceramic or metal heatsink packages. Theragrip provides both good thermal performance and exce...

The TSL235R light-to-frequency converter outputs a square wave (50% duty cycle) with frequency directly proportional to light intensity (irradiance...

These hub-mountable aluminum pulleys can be used to drive wheels or other pulleys with ¼” or ⅛” belts. They have an outer diameter of 1.125”, a ...

The SparkFun Joystick Shield Kit contains all the parts you need to enable your Arduino with a joystick! The shield sits on top of your Ardui...

INTRODUCTION This is an ultra small size DC motor driver for room limited projects, while the impressive IC - LM2575 ...

These hub-mountable aluminum sprockets can be used to drive wheels or other sprockets with 0.25” chain. They have 40 teeth with a spacing of 0.2...

The LIS331HH is an ultra low-power full-scale three axis linear MEMS accelerometer. It has a digital I2C/SPI serial interface which makes it ideal ...

These zinc-plated socket head machine screws are 5/16” long and have a tread pitch of 6-32. Sold in packs of 25. Note: These screws require a 7/64...

INTRODUCTION The X400 Expansion Shield is a highly cost-effective audio hat which fits on the GPIO of the Raspberry Pi M...

The same team that built Roving Networks is now at ACKme, where they're designing the future of WiFi connectivity. Their first release is the ACKme...

Forrest M. Mims III is a trusted name in the electronics world for good reason: his charming and engaging texts have drawn millions of people...