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Transistors are powerful little electronic switches, and we really like these NPN transistors whenever we need to control medium-power electronics ...

5.... 4.... 3.... 2.... 1.... Turn your Raspberry Pi into a spaceship! This robot chassis is designed to be used with the Explorer HAT Pro  boa...

Customers have asked us to carry basic perf-board, but we never liked the look of most basic perf: its always crummy quality, with pads that flake ...

This board makes connecting wires to the Raspberry Pi GPIO incredibly easy.  It's a reference board that makes it really easy to see if you're conn...

Add an ear to your project with this well-designed electret microphone amplifier. This fully assembled and tested board comes with a 20-20KHz elect...

For bread-boarding with unusual non-header-friendly surfaces, these cables will be your best friends! No longer will you have long strands of allig...

This is a great first stepper motor, good for small projects and experimenting with steppers. This uni-polar motor has a built in mounting plate w...

These chrome-plated metal buttons are rugged and look real good while doing it! Simply drill a 16mm hole into any material up to 1/2" thick and you...

Fire four solenoids, spin two DC motors or step one bi-polar or uni-polar stepper with 1.2A per channel (3A peak) using the TB6612. These are perha...

Raspberry Pi is a small, clever, British-built computer that's packed with potential. Made using a desktop-class, energy-efficient processor, Rasp...

This small (14mm diameter) piezo element is nicely enclosed so you can attach easily. Piezo elements convert vibration to voltage or voltage to vib...

These batteries are intended for use in electronics projects by people knowledgeable in the use and chemistry of lithium ion batteries. Do not use ...

Connect this to that without soldering using these handy mini alligator clip test leads. 5" overall cables with alligator clip on each end, color c...

Make a portable power brick with plenty of juice! Use Alkaline AA's for a 9V 3000-4000mAh power supply, or rechargeable NiMH for 2000mAh 7.5V supp...

Wow that's a tiny GPS antenna! This passive antenna is only 9mm x 9mm x 6.5mm in size, with a 50mm long uFL cable. Great for when you want to keep ...

Listen up! This 2.8" x 1.2" speaker is a great addition to any audio project where you need 4 ohm impedance and 3W or less of power. We particularl...

This is a time saving kit of jumper wires - cut, stripped, and pre-bent for your prototyping pleasure. Included with this kit are 14 various length...

A Feather board without ambition is a Feather board without FeatherWings! This is the FeatherWing Proto - a prototyping add-on for all Feather boar...

The "poor man's" accelerometer! Tilt sensors are switches that can detect basic motion/orientation. The metal tube has a little metal ball that rol...

Make your next project as you imagine it with prototyping perfboards that can easily be cut with scissors like these Bakelite Universal Perfboard P...

You can now create a dazzling display with your Raspberry Pi Model A+/B+ with the Adafruit RGB Matrix HAT. This HAT plugs into your Pi and makes it...