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This USB Power Meter is a versatile tool that can provide voltage, current, capacity, and impedance displayed on the built-in…
This 9V battery holder allows your battery to snap in tight and holds it in place, which is great in situations where you don…
These are high quality Single Pole - Double Throw (SPDT) sealed relays. Use them to switch high voltage, and/or high current …
The is the official USB Type-C Power Supply for the Raspberry Pi Model 4 B.
Here is a very simple breadboard power supply kit that takes power from a DC wall wart and outputs a selectable 5V or 3.3V re…
The PiJuice is a fully uninterruptible power supply HAT that will always keep your Raspberry Pi powered.
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 is a high quality switching 'wall wart' AC to DC 9V 650mA wall power supply manufactured specifically for SparkFun Elect…
This is a high quality switching 'wall wart' AC to DC 5V 2000mA USB Micro-B wall power supply manufactured specifically for S…
This is a high-quality switching 'wall wart' AC to DC 5.1V 2,500mA USB Micro-B wall power supply manufactured specifically fo…
The SkyRC B6 V2 is a DC input high-performance, micro-processor controlled charge/discharge/DC/DC converter with battery mana…
This 4xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, slidi…
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…
The SparkFun Jetson Nano Basic Kit with Power Supply provides you with all of the essential parts needed to start new project…
This Digital LED Voltmeter measures the voltage at a particular point of the system it has been hooked up to and then provide…
This 2A "laptop brick" supply outputs both 5V and 12VDC and is terminated with a 4-pin ATX connector.
This 2xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, slidi…
This is a classic 9V snap connector terminated with 2-pin polarized Molex connector with 0.1" spacing.
This is a high quality power supply manufactured specifically for SparkFun Electronics packs a lot of power; 20W at 5V and 40…
This is the basic L7805 voltage regulator, a three-terminal positive regulator with a 5V fixed output voltage. This fixed reg…
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…
The 1.2 Watt Volt small solar panel from Voltaic Systems is a lightweight, waterproof, small solar panel designed for 5-7 yea…
This is a portable, slim, lightweight solar panel charger with 10 watts of power and a standard USB connection port.
This is a simple coin cell battery holder that can enclose two CR2032 batteries inside itself, and safely kept closed via two…
MOSFETs are awesome. They're like a switch that you flip electronically! This SparkFun MOSFET Power Controller makes it easy …
This 3xAA battery holder with JST connector puts a nice finishing touch on your battery powered project.
The KR Sense 90A is a small voltage and current sense breakout board.
Featuring the AP63203, this breakout board takes advantage of a 2A synchronous buck converter that has a wide input voltage r…
This is a breakout board for our non-isolated, [6A DC-to-DC Converter Module](http://www.sparkfun.com/commerce/product_info.p…
The SparkFun Breadboard Power Supply Stick with headers is a simple board that takes a 6-12V input voltage and outputs 5V or …
Have a project that needs some good power? Do you like free power provided by our friend, Mr. Sun? Check out this high qualit…
The 0.6 Watt Volt small solar panel from Voltaic Systems is a lightweight, waterproof, small solar panel designed for 5-7 yea…
The ATX power connector breaks out the standard 4-pin computer peripheral port for you 12V & 5V devices from one wall adapter…
The SparkFun Qwiic Dual Solid State Relay is a power delivery board that allows users to switch two AC loads from a low power…
This is a simple 48W (8V DC, 6A) power supply, designed for use with the Raspberry Pi Build HAT.
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 basic LD1117V33 voltage regulator, a low drop positive regulator with a 3.3V fixed output voltage. This fixed reg…
A very simple breadboard power supply kit that takes power from any USB port and outputs a fuse protected and regulated 3.3V.…
A simple Lithium Ion battery charger for 12.6VDC Li-Ion batteries similar to the one we sell.
Two pin JST connector to a 2.1x 5.5mm barrel jack, 6.25 inch long jumper cable. We use this cable to adapt from a wall power …
This is a 12.5W Micro-USB Power Adapter with the US power prongs (100-240VAC). It's made for use with Raspberry Pi Zero 2 W, …
Simple 4 Cell AA Battery holder with 5" tinned leads, square configuration.
These are massive single pole - double throw (SPDT) sealed relays. This means that when current is applied to the coil it thr…
Our RedBoards are great. But don't they sometimes seem a little **_BIG_**?! Enter **smôl**, a new range of boards which a…
This 2xAAA battery holder puts a nice finishing touch on your battery-powered project. This holder features a sliding, remova…
This 3xAA battery holder with bare wire leads puts a nice finishing touch on your battery powered project.
It can be difficult to get a wall-wart where you need it. The promise of PoE (power over ethernet) is great, but what if your…
