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Resistors are a good thing, in fact, they're actually crucial in a lot of circuit designs. The only problem seems to be that …
If you've ever tried to connect a 3.3V device to a 5V system, you know what a challenge it can be. The SparkFun bi-directiona…
CR2032 Lithium metal 3V 250mAh button cell battery. Great for powering low power processors or blink an LED for weeks at a ti…
These are very slim, extremely light weight batteries based on the new Polymer Lithium Ion chemistry. This is the highest ene…
A row of headers - break to fit. 40 pins that can be cut to any size. Used with custom PCBs or general custom headers. **Fea…
These are very slim, extremely light weight batteries based on Lithium Ion chemistry. Each cell outputs a nominal 3.7V at 100…
We all know that you can never get too many LEDs. Don't worry, we've got you covered. This is a pack of basic red, yellow, bl…
If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The SparkFun LiPo Charger Basic …
This is a SparkFun exclusive! These are 155mm long jumpers terminated as male to female. Use these to jumper from any male or…
This is a simple coin cell battery holder that can enclose two CR2032 batteries inside itself, and safely kept closed via two…
This is a very small, extremely lightweight battery based on Lithium Ion chemistry, with the highest energy density currently…
The smallest and easiest to use serial conversion circuit on the market! This board has one purpose in life - to convert RS23…
This is the SparkFun Real Time Clock (RTC) Module, this little breakout that uses the DS1307 to keep track of the current yea…
The SparkFun Micro OLED Breakout Board breaks out a small monochrome, blue-on-black OLED. It’s "micro", but it still packs …
These are 155mm long jumpers terminated as male to male. Use these to jumper from any female header on any board, to any othe…
Gone are the days that you have to worry about silicone water proofing splitting and breaking on you! These are sealed addres…
The PicoBuck LED Driver is an economical and easy to use driver that will allow you to control and blend three different LEDs…
These headers are made to work with the Arduino Uno R3, Leonardo and new Arduino boards going forward. They are the perfect h…
An assortment of colored wires: you know it's a beautiful thing. Six different colors of solid core wire in a cardboard dispe…
Are you looking to add a lot of color to your project? These massive 32x32 RGB LED panels are an awesome place to start. You …
The PowerCell board is a single cell LiPo boost converter (to 3.3V and 5V) and micro-USB charger in one. The board comes with…
This is the Sunny Buddy, a maximum power point tracking (MPPT) solar charger for single-cell LiPo batteries. This MPPT solar …
A solid state relay (SSR) allows you to control high-curent AC loads from lower voltage DC control circuitry. Solid state rel…
The SparkFun Battery Babysitter is an all-in-one single-cell Lithium Polymer (LiPo) battery manager. It’s half battery char…
We designed this board to give the user a low profile button without any sharp edges. Button closes when you push it and open…
These are very slim, extremely light weight batteries based on Lithium Ion chemistry. Each cell outputs a nominal 3.7V at 850…
This is the FemtoBuck, a small-size single-output constant current LED driver. Each FemtoBuck has the capability to dim a sin…
The Nokia 5110 is a basic graphic LCD screen for lots of applications. It was originally intended to be used as a cell phone …
This is an inexpensive 3-foot-long HDMI to Mini HDMI cable that you can use to hook up your Raspberry Pi Zero W to a suitable…
There are lots of trimpots out there. Some are very large, some so small they require a screwdriver. Here at SparkFun, we jus…
This is the latest evolution of our serial LCD. Included on a single board is a 16x2 LCD and an embedded circuit based around…
This is a time saving kit of jumper wires - cut, stripped, and pre-bent for your prototyping pleasure. Included with this kit…
This is a high quality switching 'wall wart' AC to DC 5V 2000mA Barrel Jack wall power supply manufactured specifically for S…
This is a joystick very similar to the 'analog' joysticks on PS2 (PlayStation 2) controllers. Directional movements are simpl…
4-digit 7-segment displays are really neat little devices, it's a shame that they can be so cumbersome to control. Well we've…
The SparkFun Beginner Parts Kit is a small container of parts frequently used by beginning (or even experienced) hobbyists th…
This simple board breaks out a female USB type A connector's VCC, GND, D- and D+ pins to a 0.1" pitch header. If you want to …
This is a USB to TTL Serial Cable which allows for a simple way to connect TTL interface devices to USB. The I/O pins of this…
Single row of 40-holes, female header. Can be cut to size with a pair of wire-cutters. Standard .1" spacing. We use them exte…
This is a SparkFun exclusive! These are 155mm long jumpers with female connectors on both ends. Use these to jumper from any …
This 1024 pulse per rotation rotary encoder outputs [gray code](http://en.wikipedia.org/wiki/Gray_code) which you can interpr…
USB On-The-Go (OTG) is a really useful USB specification! It allows some small devices that would normally be unable to act a…
Sewable LED Ribbon is quite possibly one of the easiest ways to incorporate simple illumination and color effects into your n…
The Raspberry Pi Zero and Zero W are both equipped with a smaller CSI (Camera Serial Interface) port than on a full-sized Ras…
Ever hear of a thing called RGB? Red, Green, Blue? How about an RGB LED? These 5mm units have four pins - Cathode is the long…
This is a USB 2.0 type A to Mini-B 5-pin cable. You know, the mini-B connector that usually comes with USB Hubs, Cameras, MP3…
This is a kit that provides you with a basic assortment of capacitors to start or continue your electronics tinkering. No mo…
This 7" Raspberry Pi Touchscreen LCD provides you with the ability to create a standalone device that can be utilized as a cu…
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