I ordered the Leonardo over the weekend and RobotShop shipped my order first thing Monday morning. It's my first microcontroller and the basics work as expected: blinking LEDs and printing digits on a seven segment display.
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David
A must have for XBee development
I tried doing XBee development with an XBee shield and the UNO but found it too difficult to diagnose problems. With two serial lines, this board allows you to talk to the XBee and get print output on your computer at the same time.
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Jason
Great!
Love the fact that it has digital pins 0 (RX) and 1 (TX)!
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user255
Great
A big improvement over the original Arduino Uno, great for prototyping and learning.