Recently I came up with an idea to make my own arduino programmer using the same board I used to make USB MIDI controler. As you can see on the pictures below board had some design flaws that I found this week but I managed to lunch it successfully. As in the previous case I've used LUFA's (Lightweight USB Framework for AVRs, formerly known as MyUSB) slightly modified USB Serial example. I'm going to use this circuit as AVR Node programmer and front panel controller.
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