sparkfun

If you've had ideas for a project that depends on the ability to sense different spectrums of visible light and react based on those measurements, ...

This is the SparkFun RJ11 Breakout, two simple breakout boards for the common 6-pin RJ11 connector. These little boards can easily have one of our ...

This is the SparkFun RJ11 Breakout, two simple breakout boards for the common 6-pin RJ11 connector. These little boards can easily have one of our...

RJ45 connectors are the kind that are used for Ethernet jacks, but they make great general purpose connectors when you need a lot of conductors. T...

This is the SparkFun RJ45 MagJack Breakout, a simple board that will provide you with a way to put an ethernet port into your breadboard. The Spar...

This is a clever little breakout board for both the RGB and R/G illuminated rotary encoders. On one side, it breaks out all of the RGB pins to stan...

This is the SparkFun Rotary Switch Breakout, a very simple board designed to easily provide you access to each pin on our 10-position rotary switc...

The SparkFun Rotary Switch Potentiometer Breakout is a small board that allows you to add resistors to a 10-position rotary switch, turning it into...

The SparkFun Rotary Switch Potentiometer Breakout is a small board the allows you to add resistors to a [10-position rotary switch](https://www.sp...

The SparkFun RP2040 mikroBUS Development Board is a low-cost, high performance platform with flexible digital interfaces featuring the Raspberry P...

The SparkFun RP2040 mikroBUS™ Starter Kit is designed to give you just what you need to start using the Click and Qwiic ecosystems side-by-side pow...

The smallest and easiest to use serial conversion circuit on the market! This board has one purpose in life - to convert RS232 to TTL and vice vers...

The smallest and easiest to use serial conversion circuit on the market! This board has one purpose in life - to convert RS232 to TTL and vice ver...

The SparkFun RTK Express is an easy to use GNSS receiver for centimeter-level positioning. Perfect for surveying, logging, and all types of post pr...

The RTK Express Kit has everything you need to get centimeter level global positioning measurements using GNSS RTK. We\'ve created a handy carrying...

The SparkFun RTK Express Plus is an easy to use GNSS receiver for centimeter-level positioning. Perfect for surveying, autonomous vehicles, logging...

The RTK Express Plus Kit has everything you need to get centimeter level global positioning measurements using GNSS RTK. We\'ve created a handy ca...

Designed and manufactured in Boulder, Colorado, USA, the SparkFun RTK Facet is your one-stop shop for high precision geolocation and surveying need...

Designed and manufactured in Boulder, Colorado, USA, the SparkFun RTK Facet L-Band is your one-stop shop for high precision geolocation and surveyi...

Designed and manufactured in Boulder, Colorado, USA, the SparkFun RTK Reference Station is the perfect solution for your high-precision geolocation...

The SparkFun RTK Surveying Kit has everything you need to get centimeter level global positioning measurements using GNSS RTK. We\'ve created a han...

The SparkFun RTK Surveyor is an easy to use GNSS receiver for centimeter-level positioning. Perfect for surveying, this preprogrammed device can al...

These were really nice safety glasses. Then we decided to completely ruin them and slap the geek logo on there. Don't worry, it doesn't impair you...

Always, always, always wear eye protection while soldering. This is a golden rule we all know but sometimes overlook. Luckily, with these SparkFun...