Prototyping

Simple but effective - this breakout board has a USB Mini-B connector, with all 5 pins broken out. Great for pairing with a microcontroller with...

Simple but effective - this breakout board has a USB Micro-B connector, with all 5 pins broken out. Great for pairing with a microcontroller with U...

This slim and modern potentiometer is small and compact, yet looks good and has a nice feel. We hand selected the best knobs for your project in...

Connect your own PCB to a Raspberry Pi B+ with this normal-height female header.  The female header part is about 8.5mm tall, good for small HAT...

This is a 10 pack of 100uF 16v capacitors so they can be used with any DC voltage up to 16V.  They have a tolerance of ±20% and long flexible pi...

This 2x8 (16 pin - 0.1" spaced) IDC Breadboard Helper is great in conjunction with any 16-pin IDC cables. It comes in two parts, a 'pin-throu...

This 'shorty' 2x20 header is great for a slim connection to your Raspberry Pi model A+ or B+, it's basically the  through-hole version of the SM...

This ball caster is an improved version of our original Pololu Ball Caster with 1″ Plastic Ball; we recommend this new version over the older versi...

For those of us who are maybe a little tired of rainbows, we now have 'smart LEDs' in monochrome! Make your own smart Warm White LED arrangem...

Spin two DC motors, step one bi-polar or uni-polar stepper, or fire off two solenoids with 1.2A per channel using the TB6612. These are perhaps ...

These Silicone Tubes are replacements for your fancy professional silicone-tipped solder sucker! You can just cut a new section off as necessary...

These are 9"(23cm) long jumper wires terminated as female to female. Use these to connect from any male header on any board such as DFRobot IO ...

It comes with 20 of each value: 1R 1.2R 1.5R 1.8R 2R 2.2R 2.7R 3R 3.3R 3.9R 4.7R 5.1R 6.2R 6.8R 8.2R 10R 12R 15R 18R 20R 22R 27R 30R 33R 39R 47R ...

This is an 8-pin female header, with extra long legs -- great for stacking Arduino shields.Pins are spaced by 0.1". APPLICATIONS PCB Arduino Shiel...

This product includes 3-pin 2.0mm(0.08") mating connector housing(10 units) and crimp pins (30 units). They work with wires ranging from 28...

This is a very small breadboard with 170 tie points. This bread board is compatible with the Arduino Proto Shield. Strong self-adhesive backing....

These terminal blocks have terminals that hold and release wires through the simple adjustment of a screw, allowing you to easily make temporary co...

This product includes a pair in-line power wire connectors. If you have a project where you'd like to be able to detach the wiring, this wire wi...

This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. This button...

This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. This button...

Never get frustrated with 2mm-pitch modules again! Each one of these 25-pin female socket header packs contains 5 pieces of 25-pin, 2mm pitch heade...

This is a heavy duty SPST toggle switch - your basic on/off toggle. Rated for 2A at 250V or 4A at 125V. Includes a face plate and two threaded n...

Ever hear of a thing called RGB? Red, Green, Blue? How about an RGB LED? These 5mm units have four pins - Cathode is the longest pin. One for each ...

This 47 × 35 mm (1.84 × 1.37") solderless breadboard has 17 rows of tie points, enough for up to two 14- or 16-pin DIP ICs. Although it is difficul...