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*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 ...

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...

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...

The SparkFun GPS Logger Shield equips your Arduino with access to a GPS module, µSD memory card socket, and all of the other peripherals you’ll ...

This is the Adafruit Feather 32u4 Radio (RFM69HCW) 900MHz. We call these RadioFruits, our take on an microcontroller packet radio transceiver wi...

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

This is the Adafruit Feather 32u4 LoRa Radio (RFM9x). We call these RadioFruits, our take on an microcontroller with a "Long Range (LoRa)" packe...

The SparkFun AutoDriver board is based on the STMicro L6470 dSPIN stepper motor driver. This powerful chip allows you to control a stepper motor wi...

Pogo pins make life so much easier when you are trying to program without having to solder a single thing, and when you attach them to an In-system...