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These are very slim, extremely light weight batteries based on Lithium Ion chemistry. Each cell outputs a nominal 3.7V at 200…
The SparkFun bi-directional logic level converter is a small device that safely steps down 5V signals to 3.3V AND steps up 3.…
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 smallest and easiest to use serial conversion circuit on the market! This board has one purpose in life - to convert RS23…
The SparkFun Qwiic Transparent Graphical OLED Breakout allows you to display custom images on a transparent screen using eith…
The Qwiic Transparent OLED HUD is SparkFun's answer to all of your futuristic transparent HUD needs.
The MicroView is the first chip-sized Arduino compatible module that lets you see what your Arduino is thinking using a built…
These 2m cables have minor modifications that allow them to be be plugged into their ports regardless of orientation on the U…
These are very slim, extremely light weight batteries based on Lithium Ion chemistry. Each cell outputs a nominal 3.7V at 100…
If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The SparkFun LiPo Charger Basic …
A row of headers - break to fit. 40 pins that can be cut to any size. Used with custom PCBs or general custom headers.
This is a SparkFun exclusive! These are jumpers terminated as male to female. Use these to jumper from any male or female he…
This is the Sunny Buddy, a maximum power point tracking (MPPT) solar charger for single-cell LiPo batteries. This MPPT solar …
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…
The SparkFun LiPo Charger Plus is the suped-up power option in the SparkFun line of single-cell lithium polymer (LiPo) batter…
The seven band graphic equalizer IC is a CMOS chip that divides the audio spectrum into seven bands. 63Hz, 160Hz, 400Hz, 1kHz…
The FTDI cable is a USB to Serial (TTL level) converter which allows for a simple way to connect TTL interface devices to USB…
The SparkFun 5V/1A LiPo Charger/Booster is a no-nonsense circuit for generating one amp from a Lithium Polymer battery at 5V.…
The SparkFun Differential I2C Breakout is the fastest and easiest way to extend the range of your I2C communication bus.
These 0.8m cables have minor modifications that allow them to be be plugged into their ports regardless of orientation on the…
This is a high-quality switching 'wall wart' AC to DC 5.1V 2,500mA USB Micro-B wall power supply manufactured specifically fo…
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…
This 7" Raspberry Pi Touchscreen LCD provides you with the ability to create a standalone device that can be utilized as a cu…
A 128x160 color (18 bit!) TFT LCD display. Use this breakout to easily add visual display/interface capabilities to a project…
The SparkFun Nano Power Timer will run while only consuming minimal power (approximately 35nA) and turn your project on after…
CR2032 Lithium metal 3V 250mAh button cell battery. Great for powering low power processors or blink an LED for weeks at a ti…
An assortment of colored wires: you know it's a beautiful thing. Six different colors of solid core wire in a cardboard dispe…
The SparkFun Battery Babysitter is an all-in-one single-cell Lithium Polymer (LiPo) battery manager. It’s half battery char…
These are 6" long jumper wires with male connectors on both ends. Use these to jumper from any female header on any board, to…
This is a 10-pack of wires that are pre-terminated with an alligator clip on one end and a female header on the other.
This 10K trimmable potentiometer has a small knob built right in and it's breadboard friendly to boot!
Have a project that needs some good power? Do you like free power provided by our friend, Mr. Sun? Check out this high qualit…
These are 6" long jumper wires with female connectors on both ends. Use these to jumper from any male header on any board, to…
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 breakout board for the very handy 16-Channel Analog/Digital Multiplexer/Demultiplexer CD74HC4067. This chip is like…
This is a very small, extremely lightweight battery based on Lithium Ion chemistry, with the highest energy density currently…
This is a board designed for [opto-isolation](http://en.wikipedia.org/wiki/Opto-isolator). This board is helpful for connecti…
This is a high quality switching 'wall wart' AC to DC 5V 2000mA Barrel Jack wall power supply manufactured specifically for S…
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 …
These 32x32 RGB LED panels are an awesome place to start to add color to a project! You can create animations, games, or usef…
The SparkFun Qwiic Quad Relay is a unique power accessory board, used for switching 4 high powered devices from your Arduino …
These 0.3m cables have minor modifications that allow them to be be plugged into their ports regardless of orientation on the…
This is a basic 16 character by 2 line display. Black text on Green background. Utilizes the extremely common HD44780 paralle…
The SparkFun SerLCD is an AVR-based, serial enabled LCD that provides a simple and cost effective solution for adding a 20x4 …
Use this unique device to download data and control GPIB bus enabled oscilloscopes, logic analyzers, function generators, pow…
We designed this board to give the user a low profile button without any sharp edges. Button closes when you push it and open…
A solid state relay (SSR) allows you to control high-curent AC loads from lower voltage DC control circuitry. Solid state rel…
This 1024 pulse per rotation rotary encoder outputs [gray code](http://en.wikipedia.org/wiki/Gray_code) which you can interpr…
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