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These knobs just push on to a standard 0.25 (1/4) shaft. - No more messy screws. - Complete with coloured cap. S...

The Beetle shield is designed to attach a Beetle (DFR0282) controller for easy connecting servos and sensors. ​ SPECIFICATIONS ...

For a long time we’ve had small 7-segment displays and huge 7-segment displays, but now we finally have something in between. These 20mm 4-digit 7-...

Just the enclosure, laser cut all 6 pieces. Doesn't come with screws or hexnuts.

This fun activity is great for makers of all ages. Our easy step-by-step instructions show you how to draw simple circuits with Electric Paint a...

This fun activity is great for makers of all ages. Our easy step-by-step instructions show you how to draw simple circuits with Electric Paint a...

This little sensor is a great way to add UV light sensing to any microcontroller project. The VEML6070 from Vishay has a true UV A light sensor ...

For a long time we’ve had small 7-segment displays and huge 7-segment displays, but now we finally have something in between. These 20mm 4-digit 7-...

Build a custom USB gamepad that has an accelerometer mouse inside! This project pack comes with SNES controller Teensy Accelerometer 5' mi...

We know what you’re thinking, “What’s the big deal? Looks like an SD card…” Well this is no SD card! The Electric Imp is a WiFi enabled developm...

The SparkFun Photon Micro OLED Shield breaks out a small monochrome, blue-on-black OLED to use with your Photon module. It’s “micro”, but it still ...

The SparkFun Photon Battery Shield provides you with an easy way to power your Photon module with a Lithium Polymer (LiPo) battery. Not only can th...

6" (150mm) long jumper cable of 6 conductors, 0.1" spacing with two 'female'/sockets on either end. Great for wiring up ShiftBrites together!

Black acrylic enclosure for MONOCHRON. Just the plastic, nothing else is included!

For all those who feared their Game Boy playing days would be but a memory, worry no more! That handheld may be dead, but with this pack you'll ...

The µLCD-144-G2(GFX) is a compact and cost effective display module using the latest state of the art LCD (TFT) technology with an embedded GOLDELO...

The Qduino Mini is a tiny, Arduino-compatible board with a battery connector and charger built-in as well as a fuel gauge that can tell you when to...

Function generators are useful in a ton of applications from RF to embedded logic. They’re not usually super cheap though. Good news: we found a ki...

This Raspberry Pi is Discontinued Now, We recommend other raspberry pi accessories as a suitable replacement. This is the low profile Raspberry...

This product has been discontinued, please see our new updated assembled version.     Here's a handy Arduino shield: we've had a lot of people l...

This Thermocouple Connector is perfect for bridging the gap between Type-K thermocouples with standard connectors with a PCB. This little connec...

This is a interface cable designed for Bus Pirate which can makes it easier to connect the Bus Pirate to a circuit and get hacking!

Are you a Java developer looking to add advanced hardware I/O capabilities to your Android or PC application? Well then the IOIO-OTG is for you! Th...

Are you low on I/O? No problem! The SX1509 Breakout is a 16-channel GPIO expander with an I2C interface – that means with just two wires, your m...