Hardware
Official Arduino boards Arduino Uno  Arduino Mega 2560  Arduino Mega ADK  Arduino Ethernet  Arduino BT  USB/Serial Light Adapter  Mini USB/Serial Adapter |  Arduino LilyPad  Arduino Fio  Arduino Pro  Arduino Nano  Arduino Mini  Arduino Pro Mini |
Official Arduino Shields Arduino Ethernet Shield  Arduino Wireless SD Shield  Arduino Wireless Proto Shield  Arduino Motor Shield  Arduino Proto Shield |
Note: The reference designs for arduino are distributed under a Creative Commons license Attribution-ShareAlike 2.5. See So you want to make an Arduino? for more information and guidelines on producing your own hardware.
Looking for an older board?
The hardware index lists all the Arduino boards made and the differences between them.
Recommended Third-Party Hardware
Products from others that we've tried and liked; compatible with the Arduino software.
- Boarduino from Adafruit Industries. For use in bread-boards with FTDI USB-to-TTL-Serial cable or other USB-to-serial adapter. Available as a bare PCB or in kit form.
Other Related Hardware
Also check out the community-maintained list of related hardware on the playground.