I decided to re-design the Arduino uno board. I made a few design changes such as changing the usb chip so the board works well with USB 3. I also switch to a different regulator circuit so that the Arduino can happily run in a 24volt system. As well as a few other minor layout changes such as moving the pin 13 led and rx/tx right in front of their respective place on the header. The board uses hby RogueBotix - For Sale