Power Supplies

Do you want your cup to runneth over with USB ports? Do you want it to also be filled with the sweet, sweet nectar of an on-off switch? If the a...

This wire is flexible, strong, and super easy to solder, too! Stranded core wire is best used for wiring jigs where theres bending or movement ...

This is a USB 2.0 type B to Micro-B 5-pin black cable. You know, the mini-B connector that usually comes with cell phones, Cameras, MP3 players, et...

Need a big battery for your project? This lithium ion pack is made of 2 balanced 2200mAh cells for a total of 4400mA capacity! The cells are con...

Introducing our new range of Ultra-slim Switchmode AC adaptors. They are extremely light, sleek and compact; enough to snugly and neatly fit side...

This 3xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, sliding cover, which is sec...

Power over Ethernet (PoE) splitters can make your project wiring a breeze - and best of all they work to connect any 802.3af-capable router to a...

This is the basic L7812 voltage regulator, a three-terminal positive regulator with a 12V fixed output voltage. This fixed regulator provides a loc...

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 ...

This is the most common A to B Male/Male type peripheral USB 2.0 cable for arduino.  It is compatible with most Arduino boardssuch as Arduino Me...

Oh so handy, this little lipo charger is so small and easy to use you can keep it on your desk or mount it easily into any project! Simply plug ...

The MyoWare® 2.0 Power Shield is designed to easily power the MyoWare 2.0 Muscle Sensor for remote applications. The MyoWare Power Shield is equipp...

In compliance with Australian laws addressing the potential hazards associated with coin cell batteries, especially for small children, we're th...

This is a rugged 10-way 3.5mm-pitch PCB terminal block & 3.5mm-pitch rising clamp screw socket. Ideal for robust I/O and power connections when...

Introducing a reliable and multifunctional emergency radio that is perfect for you and your family's safety, no matter the weather conditions or...

What is a buck converter?A buck converter is a DC-to-DC converter that steps down the input voltage and steps up the output current. It does not wa...

The SparkFun 3.3V Buck Regulator Breakout features the AP3429A from Diodes Inc., a 2A step-down DC-DC converter with an input voltage range of 2.7V...

You've got the wrong USB cable. It doesn't matter which one you have, it's the wrong one. But what if you could have the right one? What if you cou...

The SparkFun 5V Buck Regulator Breakout features the AP63357 from Diodes Inc., a 3.5A synchronous buck converter with a wide input voltage range of...

This is the 6.5ft version of the Fast Charging USB C to C cable. Charging or powering your USB Type C device can be daunting and finding a cable...

The Raspberry Pi 3A+ Essential Kit is the perfect starter kit for those looking to get into the world of Raspberry Pi. This kit includes everyth...

Enclosed battery holder for three AAA cells. This holder features a lid that slides over the batteries and snaps into place to fully enclose them. ...

This unusual cable is sort of the 'ultimate' in USB type C Power Delivery (PD) hacking: good for experienced hardware hackers who are comfortable w...

We picked up this adapter to 'MagSafe'-ify our laptop and found it so handy we figured we'd stock it in the shop as well. This is a right-angle Typ...