Using Keyboard Library

According to this site Turn your ProMicro into a USB Keyboard/Mouse - SparkFun Electronics I can use Keyboard library on Pro mini.

When trying to verify something It errors as "only supported on leonardo".

I am just looking for a way to make my arduino "act" as a keyboard, when I try to make an output of some data.
Of course, the arduino will be connected, and I have already seen something for arduino UNO, where they re flash it.

Thanks

http://arduino.cc/en/Reference/MouseKeyboard
This library ?

raschemmel:
http://arduino.cc/en/Reference/MouseKeyboard
This library ?

Yep, that one. Sorry I forgot to reference it.

You will have to implement v-usb on the Arduino to connect directly.
http://www.obdev.at/products/vusb/index.html

Some projects emulating keyboards here:
http://www.obdev.at/products/vusb/prjhid.html

Or if you have an old computer you could emulate a PS2 keyboard:
http://www.avrfreaks.net/index.php?name=PNphpBB2&file=viewtopic&t=34901&highlight=keyboard+ps2

PS2 might be easier and can be used with a PS2 to USB adapter for modern PC's

pYro_65:
You will have to implement v-usb on the Arduino to connect directly.
http://www.obdev.at/products/vusb/index.html

Some projects emulating keyboards here:
http://www.obdev.at/products/vusb/prjhid.html

Or if you have an old computer you could emulate a PS2 keyboard:
http://www.avrfreaks.net/index.php?name=PNphpBB2&file=viewtopic&t=34901&highlight=keyboard+ps2

PS2 might be easier and can be used with a PS2 to USB adapter for modern PC's

Thanks, I thought I was only going to be software if I wanted my (arduino) serial output sent out as (PC) keyboard input.

Thanks, the sites looks great