New Arrivals

A simple slide potentiometer can go a long way. Rated at 10KOhm and 0.1W. Comes with solder tab connections. The pot has an overall travel of 20mm ...

Works with the Uno! This prototyping shield is the best out there (well, we think so, at least). It works with UNO, NG, Diecimila and Duemilanove A...

The Adafruit "midnight hacker" is a Leatherman Squirt ES4 and a very handy, unique key-chain size multi-tool. The E4 sets you up with 20GA, 18GA, 1...

*Discontinued* – For another way to create a Bike Wheel POV Display using our Pro Trinket, check out this learn guide! SuperMegaSpecial! Get thre...

The latest MiniPOV kit is for serial ports so more people can use it! A simple POV toy for beginners who are looking to learn how to solder, how to...

USBtinyISP is a simple open-source USB AVR programmer and SPI interface. It is low cost, easy to make, works great with avrdude, has both 6 and 10 ...

The SparkFun MPU-9250 IMU Breakout features the latest 9-axis MEMS sensor from InvenSense. Each of these 9DoF breakouts feature an MPU-9250 with...

This rubber wheel is used in our popular 4WD mobile platforms. It can be mounted directly onto micro gear motors, but also compatible with ou...

The Si7021 is a low-cost, easy-to-use, highly accurate, digital humidity and temperature sensor. This sensor is ideal for environmental sensing ...

The Pax Instruments T400 Temperature Datalogger is an open source four-channel thermocouple temperature datalogger based on the Arduino Leona...

Are you a super spy trying to spot ninja assassins in the dark? Or maybe you’re just trying to figure out who’s been sneaking to the kitchen at ...

USB On-The-Go is a really useful USB specification! It allows some small devices that would usually be unable to act as a host to have limited host...

Battery holder for six AA batteries.

This is just the microcontroller burned with the USBtinyISP firmware code. If you're buying a kit, this is included. This is intended for people wh...

Enclosed battery holder for three AA cells. This holder features a lid that slides over the batteries and snaps into place to fully enclose the...

This is the Adafruit Feather 32u4 Radio (RFM69HCW) 433MHz. We call these RadioFruits, our take on an microcontroller packet radio transceiver wi...

This CMUcam4 Arduino Shield is Discontinued Now, We recommend another Arduino Shields as a suitable replacement. The goal of the Carnegi...

  INTRODUCTION This is a breakout board for the fully integrated Hall Effect based linear ACS758 current sensor. The sensor gives precise current ...

This pH combination electrode is made of sensitive glass membrane with low impedance.It can be used in a variety of PH measurements with fast...

In collaboration with Microsoft, Adafruit's releasing IoT Starter Kits with boards, sensors, and components that are 'Azure Certified for IoT...

These are ¼th Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards, these 100 Ohm resistors make excellent pull-up...

This is just the PCB for a proto shield. No other parts are included. This shield is designed for the Arduino Uno, NG and Decimila Arduinos. Fo...

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...

These are ¼th Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards, these 1K Ohm resistors make excellent pull-ups...