SparkFun

These are simple through-hole RJ45 sockets with PCB mounting posts. These 8-pin connectors are commonly used in conjunction with Cat5, Cat5e, an...

Ethernet is now ubiquitous with embedded systems. Before you can get your set-top box on the internet, you’ll need one of these single port, RJ4...

The RN-XV module by Roving Networks is a certified Wi-Fi solution especially designed for customer who want to migrate their existing 802.15.4 arch...

So it turns out that your XBee based device would work even better as a Bluetooth device… that probably means back to the drawing board, right? Wel...

Does your robot crush objects with its hulkishly strong grip? Give your robotic hand or claw a better sense of touch with the Robotic Finger Sensor...

This fun and educational introduction to the exciting field of robotics (the science of designing, building, and operating robots) gives kids the b...

The RockBLOCK 9603 allows you to send and receive short messages from anywhere on Earth with a clear view of the sky. It works far beyond the re...

The RockBLOCK Mk2 allows you to send and receive short messages from anywhere on Earth with a clear view of the sky and it works far beyond the ...

This little round on/off/on toggle switch is rated up to 10A at 125VAC and can be panel mounted in a 20mm diameter hole. It’ll also look pretty sli...

These panel-mounting rocker switches have built-in indicator lights to let you know when your switch is engaged. They mount into a 20.2mm diameter ...

Your project will probably need an on/off switch. If you plan to house the project in an enclosure, we found this great rocker switch to help yo...

This little round on/off toggle switch is rated up to 10A at 125VAC and can be panel mounted in a 20mm diameter hole. It’ll also look pretty sli...

This durable roll up tool bag provides you with 23 pockets to store your, pliers, flush cutters, hand-held soldering iron, spent uranium rods, scre...

The Rotary Dial Kit is designed to be a simple interface device for your project. Input is achieved using a rotating encoder bezel and output is ha...

This is a 12-step rotary encoder with a nice ‘clicking’ feel. It’s breadboard friendly, and has a pretty handy select switch (by pushing in on t...

This 1024 pulse per rotation rotary encoder outputs gray code which you can interpret using a microcontroller and find out which direction the shaf...

This 200 pulse per rotation single-output encoder outputs electrical pulses which you can interpret using a microcontroller to find the position of...

This 200 pulse per rotation rotary encoder outputs gray code which you can interpret using a microcontroller and find out which direction the shaft...

Rotary encoders are used similarly to potentiometers. They're different from potentiometers in that an encoder has full rotation without limits. Th...

Rotary encoders can be used similarly to potentiometers. The difference being that an encoder has full rotation without limits (It just goes round ...

An adjustable potentiometer can open up many interesting user interfaces. With this rotary potentiometer just turn the dial and the resistance chan...

An adjustable potentiometer can open up many interesting user interfaces. With this rotary potentiometer just turn the dial and the resistance chan...

An adjustable potentiometer can open up many interesting user interfaces. Turn the pot and the resistance changes. Connect VCC to an outer pin, ...

An adjustable potentiometer can open up many interesting user interfaces. Turn the pot and the resistance changes. Connect VCC to an outer pin, GND...