HQ 1 Set Arduino UNO R3 (CH340G) MEGA328P (NO USB CABLE)

In 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. IT SUPPORT MAC. Usage: 1 download for arduino 's IDE 2 USB chip driver download; 3 Plug NANO development board, the driver will automatically install 4 Select the card inside the die UNO 5 Select the COM port that my computer can query your UNO board just inside the port 6 best first choice , for arduino own routine procedures , burn inside. Advantages : 1. a completely solve the traditional UNO board is not compatible with win7 and win8 system instability above . 2. increase the pin socket , to facilitate the use of DuPont line. 3 . Replaced 16u2, so the cost is reduced by half, to get the maximum benefit consumers.