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This 2xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, slidi…
This is the basic L7805 voltage regulator, a three-terminal positive regulator with a 5V fixed output voltage. This fixed reg…
This is the basic LD1117V33 voltage regulator, a low drop positive regulator with a 3.3V fixed output voltage. This fixed reg…
The RELAYplate from Pi-Plates is the first dedicated relay board for the Raspberry Pi designed to meet the safety requirement…
This is a very simple board that takes a 4-9V input voltage and outputs a selectable 1.8V or 3.3V regulated voltage. All head…
This USB Relay Controller / Data Acquisition Module, from [Cana Kit](http://www.canakit.com/), allows computer controlled swi…
This is the CR2025 20mm coin cell battery. You may be wondering what sets this guy apart from the more common CR2032 coin cel…
This is a breakout board for our non-isolated, [6A DC-to-DC Converter Module](http://www.sparkfun.com/commerce/product_info.p…
This is a simple coin cell battery holder that can enclose two CR2032 batteries inside itself, and safely kept closed via two…
Have a project that needs some good power? Do you like free power provided by our friend, Mr. Sun? Check out this high qualit…
This is a high-quality "wall wart" AC to DC 6V 2,000mA Barrel Jack wall power supply manufactured specifically for SparkFun E…
Do you fear that your power may not be "far reaching" enough? How would another 6' work for you? Okay, so it doesn't sound ve…
The NCP1402 is a 3.3V DC-DC converter. The breakout board will accept voltage inputs between 1 and 3 Volts (such as 1 or 2 AA…
This 5A power supply outputs both 24VDC and is terminated with a center-positive 5.5 x 2.1mm barrel connector.
We use barrel jacks a lot around here and sometimes we need to pop a switch into the mix. That usually means hacking up a per…
This is a 150W single output switching power supply from Mean Well. This power supply is extremely reliable and able to outpu…
Power on the go? Why didn't you ask? We've got plenty! These portable, rechargeable lithium ion battery packs are simple, com…
This is a high quality switching 'wall wart' AC to DC 5V 2000mA USB Micro-B wall power supply manufactured specifically for S…
This charger accurately balances and charges Lithium Polymer, LiFe (A123), NiCd and NiMH batteries. It will handle LiPo/LiFe …
Basic 20mm coin cell holder. Posts can be inserted into 0.1" perf board! Holds the common CR2032 type batteries.
MOSFETs are awesome. They're like a switch that you flip electronically! This SparkFun MOSFET Power Controller makes it easy …
This is a simple cable that adapts from a USB port to a 5.5x2.1mm barrel connector, center positive. This cable allows the us…
This R-78E DC/DC Converter is a switching regulator module that has been designed to offer all the advantages of a switching …
This is a 100W single output switching power supply from Mean Well. This power supply is extremely reliable and able to outpu…
This 2xAAA battery holder puts a nice finishing touch on your battery-powered project. This holder features a sliding, remova…
This 4xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, slidi…
USB is being implemented as a power connection standard more and more these days, but you don't always have a computer on han…
Simple 4 Cell AA Battery holder with 5" tinned leads, square configuration.
This is an incredibly simple one cell 18650 Battery Holder. When someone thinks of 18650 Cells they tend to think of flashlig…
This is the big kahuna from Mean Well, a 350W single output switching power supply. This power supply is extremely reliable a…
The BPW34 is a tiny, general purpose [PiN photodiode](http://en.wikipedia.org/wiki/PIN_diode). This photodiode has a ton of u…
This is the LM317TG voltage regulator, a three-terminal positive regulator with a 1.2V to 37V adjustable output voltage. This…
A very simple breadboard power supply kit that takes power from any USB port and outputs a fuse protected and regulated 3.3V.…
Classic 9V snap connector terminated with 2-pin polarized Molex connector with 0.1" spacing. The cable is 26AWG and is 5" in …
This Digital LED Voltmeter measures the voltage at a particular point of the system it has been hooked up to and then provide…
Now for all of your coin cell battery surface mount needs, the 20mm SMD Coin Cell Holder. This holder fits our 20mm Lithium I…
The MyoWare Power Shield is designed to take two standard CR2032 coin cell batteries to power the MyoWare Muscle Sensor. We h…
This is an incredibly simple two cell 18650 Battery Holder. When someone thinks of 18650 Cells they tend to think of flashlig…
These are your standard 1.5V AA alkaline batteries from Duracell. Don't even think about trying to recharge these. Roughly 15…
This high discharge LiPo is a great way to power any R/C, robotic, or portable project. This is an excellent choice for anyth…
This 3xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, slidi…
This analog panel meter measures DC voltage from 0-5 volts with 2.5% accuracy. It has a clear and easy to read scale and an a…
The Power Dock 2 allows you to use any 3.7V LiPo battery to power your Omega and then charge the battery when it’s out of j…
These are your standard 9 Volt alkaline batteries from Rayovac. Don't even think about trying to recharge these. Use them wit…
This barrel jack plug is great for adding a common connector to the end of our wires. This jack is compatible with 5.5mm barr…
These are massive single pole - double throw (SPDT) sealed relays. This means that when current is applied to the coil it thr…
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