Power Supplies

This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm, center-pos...

This convenient 3.8mm/1.3mm or 3.5mm/1.1mm or 1.3mm DC to 2.1mm DC adapter cable lets you plug one of our solar panels into our optimized Solar ...

Simple 4 Cell AA Battery holder with 5" tinned leads, square configuration.

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 ...

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

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...

Wireless charging uses an electromagnetic field to transfer energy between two objects. This is usually done with a charging station. Energy ...

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...

This battery holder can hold four AA batteries and comes with a DC 2.1 jack that offers a simpler and more secure wire connection. It is RoHS compl...

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...

This is a DC charging and discharging integrated module, with 5V normally open output, which is not affected by load access and has a maximum load ...

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...