10PCS/LOT UNO R3 MEGA328P CH340 CH340G for Arduino UNO R3 + USB Cable

In the same performance guarantee UNO R3and 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

Usage:

1 download for arduino ‘s IDE
2 USB chip driver download;
3 Plug UNO R3 development board, the driver will automatically install
4 Select the card inside the die UNO R3
5 Select the COM port that my computer can query your UNO R3 board just inside the port
6 best first choice , for arduino own routine procedures , burn inside.