n1 x UNO R3 , usb Cable
nIn the same performance guarantee UNO and master chip ATMEGA328P-AU same premise, We replaced the USB chip,Improved download speed, Increase the stability of the win7 win8.but it does not support MAC
n1 download for arduino ‘s IDE
n2 USB chip driver download;
n3 Plug NANO development board, the driver will automatically install
n4 Select the card inside the die UNO
n5 Select the COM port that my computer can query your UNO board just inside the port
n6 best first choice , for arduino own routine procedures , burn inside.
n1. a completely solve the traditional UNO board is not compatible with win7 and win8 system instability above .
n2. increase the pin socket , to facilitate the use of DuPont line.
n3 . Replaced 16u2, so the cost is reduced by half, to get the maximum benefit consumers