I am using a Leonardo board.
Compatible with any "classic" Arduino - NG, Diecimilla, Duemilanove, UNO - as well as Mega R3 or later.
adafruit_support wrote:Your soldering looks fine. Do you have a regular Arduino to test it with?
The shield *should* work with Leonardo in I2C mode, I think.
adafruit_support wrote:The I2C should work, but I think it will interfere with the IRQ on pin 2 as used by the shield. I2C on the Leonardo is on pins 2 & 3.