Components

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 ea...

Oh say can you seeBy the knob's early light...Sorry - we thought that was clever.  And while it wasn't really, this potentiometer definitely is! We...

Classic arcade buttons in a variety of colours.Ever feel the need to relive the glory days of button mashing in your local arcade?Or possibly you j...

The 555 timer is one of the most used and useful ICs ever produced. Designed in 1971 by Hans Camenzind it provides a way to include different metho...

A range of connectors for PCB mounting that allow circuit boards to be plugged together at right angles or end-to-end, or cables to be plugged ont...

OK, this item is pretty simple - it's a panel mount pushbutton. It's not that exciting, no LEDs, no bells & whistles. But we really like it any...

Socket (female) header is like the duct tape of electronics. Its great for connecting things together, soldering to perf-boards or PCBs to allow...

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...

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

Surface mount device , SMD, resistors are the most widely used electronic component. They're designed to have small metal tabs that could be dir...

These are small rare earth magnets - 3/16" rings. Composed of Neodymium/Iron/Boron (NdFeB), these magnets are curiously strong and make for a great...

Make some beautiful colors with these diffused rectangular 2.5mm x 5mm RGB LEDs with separate red, green and blue LED chips inside! They make nice ...

These are 8mm (0.31") ball bearings. They will fit on 8mm (0.31") rods.​ SPECIFICATIONS Model:688zz Inner diameter:8mm (0....

Surface mount 3-way switch. These switches are commonly found on handheld devices like MP3 players. This switch allows the user to navigate using u...

1/6th Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards, these 1.0M resistors make excellent pull-ups, pull-dow...

2500mAh 1.2V Nickel Metal Hydride rechargeable ‘AA’ batteries. NiMH technology provides all the benefits of NiCads without the toxic ingredients an...

This spool of solid-core wire is easily soldered to and can handle up to 200°C and 600V. We like this wire because it's flexible but also holds ...

"You see, wire telegraph is a kind of a very, very long cat.  You pull his tail in New York and his head is meowing in Los Angeles.  Do you unde...

These are standard 0.1" spaced header pins that can be surface mounted for applications where through-hole pins won’t work. The surface mount si...

The PicoBuck LED Driver is an economical and easy to use driver that will allow you to control and blend three different LEDs on three different ch...

Standard HD44780 LCDs are useful for creating standalone projects. 20 characters wide, 4 rows White text on blue background Connection port is 0.1"...

These DC powered heating pads are perfect for near-body heating applications. They get warm to the touch but not too hot. Simply apply 5VDC to the ...

This 10W super bright LED can be used as a flash searchlight for your robot projects. It consists of 9 separate LEDs and has a luminance o...