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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 …
The SparkFun bi-directional logic level converter is a small device that safely steps down 5V signals to 3.3V AND steps up 3.…
CR2032 Lithium metal 3V 250mAh button cell battery. Great for powering low power processors or blink an LED for weeks at a ti…
The SparkFun Differential I2C Breakout is the fastest and easiest way to extend the range of your I2C communication bus.
The smallest and easiest to use serial conversion circuit on the market! This board has one purpose in life - to convert RS23…
The MicroView is the first chip-sized Arduino compatible module that lets you see what your Arduino is thinking using a built…
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 PiJuice is a fully uninterruptible power supply HAT that will always keep your Raspberry Pi powered.
The SparkFun Qwiic Transparent Graphical OLED Breakout allows you to display custom images on a transparent screen using eith…
This is the SparkFun Real Time Clock (RTC) Module, this little breakout that uses the DS1307 to keep track of the current yea…
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…
The SparkFun Battery Babysitter is an all-in-one single-cell Lithium Polymer (LiPo) battery manager. It’s half battery char…
This is a very small, extremely lightweight battery based on Lithium Ion chemistry, with the highest energy density currently…
This is a basic 16 character by 2 line display. Black text on Green background. Utilizes the extremely common HD44780 paralle…
The SparkFun Qwiic Micro OLED Breakout is a Qwiic enabled version of our popular MicroView and micro OLED display!
Use this unique device to download data and control GPIB bus enabled oscilloscopes, logic analyzers, function generators, pow…
The SparkFun 5V/1A LiPo Charger/Booster is a no-nonsense circuit for generating one amp from a Lithium Polymer battery at 5V.…
These are very slim, extremely light weight batteries based on Lithium Ion chemistry. Each cell outputs a nominal 3.7V at 100…
A row of headers - break to fit. 40 pins that can be cut to any size. Used with custom PCBs or general custom headers.
These are very slim, extremely light weight batteries based on Lithium Ion chemistry. Each cell outputs a nominal 3.7V at 850…
These are very slim, extremely light weight batteries based on Lithium Ion chemistry. Each cell outputs a nominal 3.7V at 200…
The Nokia 5110 is a basic graphic LCD screen for lots of applications. It was originally intended to be used as a cell phone …
If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The SparkFun LiPo Charger Basic …
The SparkFun SerLCD is an AVR-based, serial enabled LCD that provides a simple and cost effective solution for adding a 20x4 …
This is a simple three wire cable. Great for jumping from board to board or just about anything else. There is a 3-pin JST RE…
The SparkFun Beginner Parts Kit is a small container of parts frequently used by beginning (or even experienced) hobbyists th…
This 10K trimmable potentiometer has a small knob built right in and it's breadboard friendly to boot!
This is the FemtoBuck, a small-size single-output constant current LED driver. Each FemtoBuck has the capability to dim a sin…
This 1024 pulse per rotation rotary encoder outputs [gray code](http://en.wikipedia.org/wiki/Gray_code) which you can interpr…
To make it even easier to get started, we've assembled this Qwiic Cable Kit with a variety of Qwiic cables from 50mm to 500mm…
The SparkFun USB-C Breakout supplies up to 3 times the power as previous USB board while breaking out each pin on the connect…
The FTDI cable is a USB to Serial (TTL level) converter which allows for a simple way to connect TTL interface devices to USB…
This is the Sunny Buddy, a maximum power point tracking (MPPT) solar charger for single-cell LiPo batteries. This MPPT solar …
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…
The SparkFun SerLCD is an AVR-based, serial enabled LCD that provides a simple and cost effective solution for adding a 16x2 …
This APA102C is the regular, 5050-sized SMD LED version. With a control circuit embedded, the APA102C-5050 is incredibly brig…
These are jumpers terminated as male to male. Use these to jumper from any female header on any board, to any other female h…
This is a 100mm long 4-conductor cable with 1mm JST termination. It’s designed to connect Qwiic enabled components together…
This is a breakout board for the very handy 16-Channel Analog/Digital Multiplexer/Demultiplexer CD74HC4067. This chip is like…
An assortment of colored wires: you know it's a beautiful thing. Six different colors of solid core wire in a cardboard dispe…
The Qwiic Transparent OLED HUD is SparkFun's answer to all of your futuristic transparent HUD needs.
No really - it's 6 inches (153mm) tall! This very large 7-segment display can be seen from a hundred feet away. So many proje…
This is a kit that provides you with a basic assortment of capacitors to start or continue your electronics tinkering. No mo…
The PicoBuck LED Driver is an economical and easy to use driver that will allow you to control and blend three different LEDs…
Check out these big 10mm common cathode through-hole LEDs! The opaque epoxy package causes these LEDs to have a soft, diffuse…
This is a joystick very similar to the 'analog' joysticks on PS2 (PlayStation 2) controllers. Directional movements are simpl…
If you need some juice, this 6Ah Lithium Ion Battery is for you. These are very compact batteries based on Lithium Ion chemis…
This is a SparkFun exclusive! These are jumpers terminated as male to female. Use these to jumper from any male or female he…
