Power Supplies

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...

These are small spring terminals. Open the aperature with the small arm, insert the wire, release the arm and the wire is held firmly in place. Thi...

These are small spring terminals. Open the aperature with the small arm, insert the wire, release the arm and the wire is held firmly in place. Thi...

This high quality NILLKIN power supply is the perfect solution for projects that require extra current. The plug is US standard and has a female...

This is a through-hole 12mm coin cell battery holder. It’s the unit we like to use as RTC backup and SRAM backup for GPS units. Holds battery in pl...

The Digilent Analog Discovery 2 is a USB oscilloscope and multi-function instrument that allows users to measure, visualize, generate, record, a...

Yes you read that correctly - 10Farad capacitor. This small cap can be charged up and then slowly dissipated running an entire system for hours. Co...

Simple shift register IC that can control high-voltage/high-current devices directly! Clock in data and latch it to control devices like relays, mo...

Replacement:CAB-11301. We now have branded USB cables! They’re “SparkFun Red” and have the flame logo embossed on the connector, sweet. This pag...

Here is a six pin vertical 1.0mm pitch connector. It is useful if you need something very tiny as a connection. These are not the standard JST type...

This is a 1A Adjustable SOT-223 voltage regulator capable of outputting 1.2V to 18V. The LM1117 uses the same pin-out and setup as the popular L...

This is a 7.5V wall adapter. It is not commonly available in the market. The best part of this adapter is that it allows Arduino project to run in...

This high discharge LiPo is a great way to power any R/C, robotic, or portable project. This is an excellent choice for anything that requires a...

This high discharge LiPo is a great way to power any R/C, robotic, or portable project. This is an excellent choice for anything that requires a...

If you need some juice, this 6Ah Lithium Ion Battery is for you. These are very compact batteries based on Lithium Ion chemistry. This is the highe...

These are very slim, extremely light weight batteries based on Lithium Ion chemistry. Each cell outputs a nominal 3.7V at 850mAh! Comes terminated ...

These are very slim, extremely light weight batteries based on Lithium Ion chemistry. Each cell outputs a nominal 3.7V at 2000mAh! Comes termina...

This is an extremely tiny and light weight battery based on the new Polymer Lithium Ion chemistry. This is the highest energy density currently in ...

This small capsule is a 4.5V button cell battery holder for mini power solutions.Its minimalism design in clean white cylinder body and matte surf...

DB9 female header - right angle PCB mount. 0.318" Style. Documents: Datasheet

CR2032 Lithium metal 3V 250mAh button cell battery. Great for powering low power processors or blink an LED for weeks at a time. Note: This item is...

CR1225 lithium metal 3V 12mm 47mAh coin cell batteries. Perfect small battery for miniature sensor node applications. These batteries are sold in s...

High quality switching ‘wall wart’ AC to DC 9V 650mA wall power supply manufactured specifically for Spark Fun Electronics. These are switch mod...

This is a high-quality switching ‘wall wart’ AC to DC 5.1V 2,500mA USB Micro-B wall power supply manufactured specifically for projects that req...