Power Supplies

If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The Lithium Battery Charger can charge 3.7V LiPo ba...

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

The AA boost Module is DFrobot's exclusive product. One of its key features is solving the 5V battery power supply problem. As we all know, one AA...

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 the FemtoBuck, a small-size single-output constant current LED driver. Each FemtoBuck has the capability to dim a single high-power chan...

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...

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 is a PCB mount clip to hold a 18650 Lithium Ion Cell battery. Each battery holder is sold in single units, you’ll need two for each battery. T...

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...

If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The SparkFun LiPo Charger Basic is stripped down of al...

INTRODUCTION Sometimes battery information is not readily available or is hard to understand at a glance. Our Battery Capacity Indicator is a u...

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...

This simple cable has so many uses! Plug the 9 volt battery clip onto a standard 9V battery and connect the other end to anything with a 5.5x2.1...

This is a gear motor with encoder. It is a motor with a 34:1 gearbox and an integrated quadrature encoder that provides a resolution of 11 pu...

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...