Solu Leonardo with Headers for Arduino Free USB Cable Leonardo Compatible Arduino Revision R3 Atmega32u4 with USB Cable Perfect Atmega32u4 Ximico Leonardo Compatible Arduino Leonardo

I am using this as a keyboard adapter and macro keyboard. Works excellently, but try to check your coding before you send it off, as I have had made some mistakes that caused the arduino to send unlimited number of zeros to my computer (which caused the arduino to overheat and fry). This was NOT caused by manufacturer, but my own poor planning as I'm learning to work with it.

good deal, works well

Used these boards for led strips and making arcade controllers it works great. You need to learn how to code though otherwise great product!

Used this and it worked really well and fun to make projects with.

Very easy to use and the dancemat works well. Nice little microcontroller