Datasheet

If you're using Windows 10 you might need to follow the steps at the bottom of the page to manually
install the driver (http://adafru.it/eTU).
Arduino Gemma Driver Installation
If you're using the Arduino Gemma (teal or blue/green circuit board, not the black circuit board
Adafruit Gemma--if you have a Adafruit Gemma skip back up to the
previous section (http://adafru.it/eTU)) follow the steps below to install a custom driver for the board.
First download the driver below and unzip it to a folder on your computer:
Download Arduino Gemma Driver
http://adafru.it/fSO
Then plug in the Gemma to a known-good USB cable to start the process. You should see the
green power LED lit and the red bootloading LED pulse indicating that the Gemma is ready to start
bootloading. If you've programmed the Gemma since getting it, you can always get it back to the
bootloader state by pressing the small onboard reset button.
Finally, follow the steps on this page to install the custom Gemma driver. (http://adafru.it/cDY)
If you're using Windows 10 you might need to follow the steps at the bottom of the page to manually
install the driver (http://adafru.it/eTU).
Flora Driver Installation
If you're using the Flora board follow the steps below to install a custom driver for the board.
For Trinket or Gemma skip back up to the section at the top (http://adafru.it/eTU).
Begin by plugging in the Flora board. Look for a green power LED (left of the mini USB jack) and a
pulsing red LED (right of the mini USB jack).
WinXP users, skip down past these few photos, you should get a popup asking you for a driver
location, just browse to it as shown.
Windows 8 & 10
Remember this driver is for the Arduino Gemma board and not the Adafruit Gemma board. If
your Gemma has a teal or blue/green circuit board use this driver, but if it has a black circuit
board skip back up to the previous section.
© Adafruit
Industries
https://learn.adafruit.com/introducing-trinket Page 18 of 65